mxt-高三考前热身(三模) (2)
2021年高三下学期考前模拟(三)英语试题含答案
2021年高三下学期考前模拟（三）英语试题含答案第Ⅰ卷(共100分)第一部分：听力（共两节，满分30分）第一节（共5小题；每小题1.5分，满分7.5分）听下面 5 段对话。
每段对话后有一个小题，从题中所给的 A、B、C 三个选项中选出最佳选项，并标在试卷的相应位置。
听完每段对话后，你都有 10 秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
例：How much is the shirt?A.￡19.15.B.￡9.15.C.￡9.18.答案是B。
1. What does the man play?A. Sports.B. Musical instruments.C. putergames.2. What will the woman probably do today?A. Attend the wedding.B. Go over her lessons.C. Eatout with the man.3. What’s the man’s major?A. Journalism.B. Business.C. International relations.4. Where does this conversation take place?A. At a bus stop.B. At the railway station.C. At the airport.5. What does the man mean?A. He has been to the restaurant many times.B. He heard about the restaurant from Tom.C. He intends to try a better restaurant.第二节（共15小题；每小题1.5分，满分22.5分）听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。
高三“绵阳三诊”热身考试物理试题(含答案)
绵阳南山中学届三诊热身考试物理部分1、下列论述正确的是A. 根据麦克斯韦电磁场理论，变化的磁场一定产生变化的电场.B. 光的双缝干涉实验中，若仅将入射光从红光改为紫光，则相邻亮条纹间距一定变大.C. 一切物体都在不停地发射红外线,物体温度越高,辐射的红外线越强.D. 根据爱因斯坦相对论理论，光源与观察者相互靠近时，观察者观察到的光速比二者相互远离时观察到的光速大.2、图a为一列简谐横波在t=0.10s时刻的波形图，P是平衡位置为x=1m处的质点，Q是平衡位置为x=4m处的质点，图b为质点Q的振动图象，则下列说法错误的是A．该波的传播速度为40m/sB．该波沿x轴的负方向传播C．t=0.10s时，质点Q的速度方向向下D．从t=0.10s到t=0.25s，质点P通过的路程为30cm3、A、B两球形行星体积的比值ABVaV=，质量的比值ABMbM=，则绕A、B两行星做匀速圆周运动卫星的最小周期之比ABTT等于A．baB．abC．ab D．1ab4、半径为R的半圆柱形介质截面如图所示，O为圆心，AB为直径，Q是半圆O上的一点，QO垂直于AB。
相互平行的同种单色光a和b从不同位置进入介质，光线a沿直线射向O点，在O点恰好发生全反射，光线b从Q点射入介质，入射角为45°，b光经介质折射后交于直径AB上的P点，则P点距O点的距离为A．33R B．22RC．32R D．12R5、如图所示，额定功率相同，额定电压不同的A 、B 两种电灯，接在如图所示电路中，图中变压器为理想变压器，当在a 、b 两接线柱间加上适当的正弦交流电时，电路中四盏电灯均能正常发光，设变压器的原、副线圈的匝数比为n 1∶n 2，两种电灯正常发光时的电阻比为R A ∶R B ，则 A ．n 1∶n 2=3∶1，R A ∶R B =1:3 B ．n 1∶n 2=2∶1，R A ∶R B =1∶9 C ．n 1∶n 2=2∶1，R A ∶R B =1∶3 D ．n 1∶n 2=3∶1，R A ∶R B =1∶96、如图所示，A 、B 、C 、D 为正四面体的四个顶点，A 、B 、C 在同一水平面上，在A 点放置一个电量为+Q 的点电荷，在 B 点放置一个电量为-Q 的点电荷．一根光滑绝缘杆沿CD 固定，杆上穿有带电量为+q 的小球．让小球从D 点由静止开始沿杆下滑，则关于小球从D 滑到C 点的过程中，下列判断正确的是 A. 电场力先增大后减小 B. 电场力先做负功后做正功 C. 小球机械能先增加后减小 D. 小球做匀加速运动7、如图所示，劲度系数为k 的轻弹簧，下端固定，上端与B 连接，斜面光滑，质量均为m 的A 、B 两物体紧靠在一起，处于静止状态，现用一个平行于斜面向上的拉力F 拉物体A ，使A 物体做加速度为a 的匀加速运动．已知在A 、B 分离前，拉力F 随A 物体发生的位移x 变化的图像如图所示，重力加速度为g ，则下列表述中正确的是 A ．02(sin )F m a g θ=+ B ．ma F 20= C ．02sin mg x k θ=D ．02max k=8、 I ① (6分)某同学在“探究平抛运动的规律”的实验中，先采用图(甲)所示装置，用小锤打击弹性金属片，金属片把球A 沿水平方向弹出，同时B 球被松开，自由下落，观察到两球同时落地，改变小捶打击的力度，即改变球A 被弹出时的速度，两球仍然同时落地，这说明___________．②后来，他又用图(乙)所示装置做实验，两个相同的弧形轨道M ，N ，分别用于发射小铁球P ，Q ，其中M 的末端是水平的，N 的末端与光滑的水平板相切；两轨道上端分别装有电磁铁C 、D ，调节电磁铁C 、D 的高度，使AC=BD ，从而保证小球P 、Q 在轨道出口处的水平初速度v 0相等．现将小球P 、Q 分别吸在电磁铁C 、D 上，然后切断电源，使两小球能以相同的初速度v 0同时分别从轨道M 、N 的下端射出．实+ -ABCD +q A A AB abn 1n 2AB F θFx O0F 0x -验可观察到的现象应该是两小球_______（选填“一定”、“可能”、“一定不”）会碰撞，仅将弧形轨道M整体上移(AC距离保持不变)，重复上述实验，仍能观察到相同的现象，这说明____________________________________________．II(11分)某化学电源电动势为1.5V，内阻为1Ω。
四川省绵阳南山中学高三下学期三诊热身考试英语试题(高频考点)
四川省绵阳南山中学高三下学期三诊热身考试英语试题(高频考点)一、听力选择题1. What are the speakers talking about?A．A new office.B．A change of their jobs.C．A former colleague.2.A．The food tastes differently.B．The man should see a different view.C．The food is worth the price.D．The prices on the menu are ridiculous.3. What will the speakers do next?A．Check the map.B．Leave the restaurant.C．Park the car.4. What’s the probable relationship between the speakers?A．Professor and student.B．Boss and secretary.C．Manager and applicant.5.A．The actor greeted the actress with a loud cheer.B．The actress paid much attention to the actor.C．The audience became excited when they saw the actor.D．The actress was warmly welcomed by the audience.二、听力选择题6. 听下面一段较长对话，回答以下小题。
1. Why does Kevin prefer cooking?A．It’s healthy.B．It’s relaxing.C．It’s economical.2. What does the man think of English food?A．Sweet.B．Tasteless.C．Salty.3. What will the speakers have tonight?A．British food.B．Chinese food.C．Indian food.7. 听下面一段较长对话，回答以下小题。
mxt-高三考前热身(三模)
华南师大附中高三考前热身数学（理科）本试卷共4页，21小题，满分150分．考试用时120分钟． 注意事项: 1.答卷前，考生务必用黑色字迹钢笔或签字笔将自己的姓名和考生号、试室号、座位号填写在答题卡上。
用2B 铅笔将试卷类型(A)填涂在答题卡相应位置上。
2.选择题每小题选出答案后，用2B 铅笔把答题卡上对应题目选项的答案信息点涂黑，如需改动，用橡皮擦干净后，再选涂其他答案，答案不能答在试卷上。
3.非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内的相应位置上；如需改动，先划掉原来的答案，然后再写上新的答案；不准使用铅笔和涂改液。
不按以上要求作答的答案无效。
4.作答选做题时，请先用2B 铅笔填涂选做题的题号对应的信息点，再作答。
漏涂、错涂：多涂的，答案无效。
5.考生必须保持答题卡的整洁。
考试结束盾，将试卷和答题卡一并交回。
一、选择题:本大题共8小题，每小题5分，满分40分．在每小题给出的四个选项中，只有一项是符合题目要求的． 1．已知()R b a i b iia ∈-=+,,2其中i 为虚数单位，则=+b a （ ） A.-1 B. 1 C. 2 D. 3 2．若}{n a 为等差数列，n S 是其前n 项的和，且π32211=S ，则=6tan a （ ） 3.A 3.-B 3.±C 33.-D 3．在下列四个函数中，满足性质：“对于区间(1，2)上的任意),(,2121x x x x ≠|||)()(|1221x x x f x f -<-恒成立”的只有( )xx f A 1)(.=||)(.x x f B = x x f C 2)(.= 2)(.x x f D = 4．设γβ、、a 为不同的三个平面，给出下列条件： ①b a 、为异面直线，;//,//,,αββαb a b a ⊂⊂α②内不共线的三点到β的距离相等； ;,γβγα⊥⊥③则其中能使βα//成立的条件是( )A.①B.②C.③ D ．②③5．已知函数)(x f 是R 上的偶函数，且在区间[0,+∞)上是增函数，令)72(sinπf a =，)75(cos πf b =，)75(tanπf c =，则 c a b A <<. a b c B <<. a c b C <<. c b a D <<.6．设二元一次不等式组⎪⎩⎪⎨⎧≤-+≥+-≥--0142,08,0192y x y x y x 所表示的平面区域为M,使函数)1,0(≠>=a a a y x的图象经过区域M 的a 的取值范围是]3,1.[A ]10,2.[B ]9,2.[C ]9,10.[D7．如图，一环形花坛分成A,B,C,D 四块，现有4种不同的花供选种，要求 在每块里种1种花，且相邻的2块种不同的花，则不同的种法总数为( ) A ．96 B ．84 C ．60 D ．488．如图，设点A 和B 为抛物线)0(42>=p px y 上除原点以外的两个动点，已知OA⊥OB，OM⊥AB，则点M 的轨迹方程为( )04.22=++px y x A 04.22=-+px y x B 04.22=++py y x C 04.22=-+py y x D二、填空题：本大题共7小题，考生作答6小题，每小题5分，满分30分． （一）必做题(9～13题) 9．=+⎰dx x ex)2(1_______10．已知平面向量b a ,，满足,2||,3||==b a a 与b 的夹角为060，若a b m a ⊥-)(则实数m 的值为_______11．若框图所给的程序运行结果为S=41，那么判断框中应填入的 关于i 的条件是________12．设}1|||||),{(≥+=y x y x M ，}0,|),{(222≥≤+=r r y x y x N 若Φ=/N M I 则，的最小值是_______13.已知数组:,14,23,32,41,13,22,31,12,21,11⎪⎭⎫ ⎝⎛⎪⎭⎫ ⎝⎛⎪⎭⎫ ⎝⎛⎪⎭⎫ ⎝⎛..，)1,21,,23,12,1(nn n n n ---Λ…记该数组为：Λ),,,(),,(),(654321a a a a a a ，则=2012a _______（二）选做题（请考生在以下两个小题中任选一题做答） 14．（几何证明选讲选做题）如右图，已知AB 是圆O 的直径，AB=4，C 为圆上任意一点，过C 点做圆的切线分别与过A ，B 两点的切线交于P ，Q 点，则CP ·CQ=_______ 15．（坐标系与参数方程选做题）已知曲线C 的参数方程为⎩⎨⎧=+=θθsin ,cos 2y x (θ为参数），则曲线上C 的点到直线0443=+-y x 的距离的最大值为_______三、解答题：本大题共6小题，满分80分．解答须写出文字说明、证明过程和演算步骤．16．（本小题满分12分）在△ABC 中，c b a ,,分别为内角A,B,C 所对的边，且满足.2cos 3sin =+A A (Ⅰ)求A 的大小；(Ⅱ)现给出三个条件；2=a ①，②4π=B ，b c 3=③试从中选出两个可以确定△ABC 的条件，写出你的选择并以此为依据求△ABC 的面积．（只需写出一个选定方案即可，选多种方案以第一种方案记分） 17．（本小题满分12分)2012年3月2日，国家环保部发布了新修订的《环境空气质量标准》，其中规定：居民区中的PM2.5年平均浓度不得超过35微克/立方米，PM2.5的24小时平均浓度不得超过75微克/立方米．某城市环保部门随机抽取了一居民区去年40天的PM2.5的24小时平均浓度的监测数据，数据统计如下：组别 PM2.5（微克/立方米）频数（天）频率 第一组 (0,15] 4 0.1 第二组 (15,30] 12 0.3 第三组 (30,45] 8 0.2 第四组 (45,60] 8 0.2 第五组 (60,75] 4 0.1 第六组(75,90)40.1(Ⅰ)写出该样本的众数和中位数（不必写出计算过程）；(Ⅱ)求该样本的平均数，并根据样本估计总体的思想，从PM2.5的年平均浓度考虑，判断该居民区的环境是否需要改进？说明理由;(Ⅲ)将频率视为概率，对于去年的某2天，记这2天中该居民区PM2.5的24小时平均浓度符合环境空气质量标准的天数为ξ，求ξ的分布列及数学期望Eξ．18.（本小题满分14分）如图，在五面体ABCDEF 中，DC AB //，2π=∠BAD ，2==AD CD ，四边形ABFE 为平行四边形，FA ⊥平面ABCD 7,3==ED FC ，求：(Ⅰ)直线AB 到平面EFCD 的距离；（Ⅱ）二面角F-AD —E 的平面角的正切值．19.（本小题满分14分）设椭圆中心在坐标原点，A(2，0)，B(0，1)是它的两个顶点，直线)0(>=k kx y 与AB 相交于点D ，与椭圆相交于E. F 两点． (Ⅰ)若DF ED 6=．求k 的值： (Ⅱ)求四边形AEBF 面积的最大值．20．（本小题满分14分）设不等式⎪⎩⎪⎨⎧+-≤>>n nx y y x 3,0,0所表示的平面区域记为n D ，并记n D 内的格点),(y x )(z y x ∈、的个数为⋅∈))((*N n n f(Ⅰ)求)3(),2(),1(f f f 的值及)(n f 的表达式； (Ⅱ)记()()nn n f n f T 21+=，若对于任意*N n ∈总有m T n ≤成立，求实数m 的取值范围； （Ⅲ）设n S 为数列}{n b 的前n 项和，其中)(2n f n b =．问是否存在正整数t n 、使16111<--++n n n n tb S tb S 成立？若存在，求出正整数n ，t;若不存在，请说明理由．21.（本小题满分14分）设函数N n nx f x∈+=()11()(，且),1R x n ∈> (Ⅰ)当x=6时，求xn)11(+的展开式中二项式系数最大的项; (Ⅱ)对任意的实数x ，证明)()((2)2()2(x f x f f x f '>+是)(x f 的导函数)：(Ⅲ)是否存在N a ∈，使得n a k an k nk )1()11(1+<+<∑=恒成立？若存在，试证明你的结论并求出a 的值；若不存在，请说明理由．参考答案一．选择题1．解：因为12+=+bi i a ，所以2,1==b a ，故,3=+b a 选D ， 2．解：()32112116611111π=⇒=+=a a a a S ，所以.3tan 6-=a 选B 3．解:若x x f 1)(=．则21122121|||11||)()(|x x x x x x x f x f -=-=-，因,21,2121<<<≤x x 得1141412121<<⇔<<x x x x ，故|||)()(|1221x x x f x f -<- 4．解：由①可推出;//βα由②推不出;//βα由③推不出βα//选A ．5．解:)72(cos )72cos ())72(cos(ππππf f f b =-=-= )72(tan )72tan ())72(tan(ππππf f f c =-=-=因为2724πππ<<，所以72tan172sin 72cos 0πππ<<<<，所以,c a b <<选A ． 6.解:通过画图知，平面区域M 是以三点A(1，9)、B(2，-10)、C(3，8)为顶点的三角形边界及其内部，函数xa y =的图象分别过A(1，9)、C （3，8)时，求得.9=a 或.2=a 依条件知，其他函数的图象夹在x y 2=与x y 9=之间，故,92≤≤a 选C.7．解：分三类；种两种花有24A 种种法；种三种花有342A 种种法；种四种花有44A 种种法，共有842443424=++A A A 选B ．另解：按A-B-C-D 顺序种花，可分A 、 C 同色与不同色有84)2231(34=⨯+⨯⨯⨯，选B. 8．解:设),(),,(),,(2211y x M y x B y x A ，AB 与x 轴交于N （m,0）设直线AB 的方程为m ky x += 代入px y 42=，得.0442=--pm pky y,421pm y y -=∴2211x y x y k k OBOA ⋅=⋅∴2122222111644y y p py y p y y =⋅=14-=-=m p p m 4=∴,即直线AB 过定点)0,4(p N ，又,AB OM ⊥,.MN OM ⊥∴又),(y x OM =Θ，),4(y p x NM -=0)4(2=+-∴y p x x ，故所求的轨迹方程为.0422=-+px y x 选B ． 二，填空题 9．解:e 1-1)(e |)()2(1021=+=+=+⎰x e dx x e x x10．解：因为a b m a ⊥-)(，所以060cos 69||)(0.2=-=⋅-=⋅-m b a m a a b m a ，解得.3=m 11．解：?6≤i ．即4116117421=+++++=S12.解：集合M 是以四点A(1，0)．B(0，1)，C(-1，0)，D(0，-1）为顶点的正方形外部的点组成的区域（包括正方形的边界），而集合N 是以原点为圆心，1为半径的圆内的点组成的区域（包括边界）．若Φ=/N M I ，当圆222r y x =+与正方形ABCD 四边相切时r 最小，可求得最小值是2213．答案:460(也可表示成15)。
mxt-高三年级模拟考试(三模)(英语)
广雅中学高三英语综合测试英语Ⅰ．语言知识及应用（共两节，满分45分）第一节完形填空（共15小题；每小题2分，满分30分）阅读下面短文，掌握其大意，然后从1-15各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。
The pursuit of lasting happiness has long been a subject of interest for scientists and surveys alike. But what makes us really happy and what lasting benefits does happiness have?Well, earlier this month, 1 from the University of Illinois found the people who are happy and 2 about life live longer. The researchers found "clear and compelling evidence" that happiness is key when it comes to better health and 3 life spans.Last month a British study, which tracked members of 40,000 4 across the country, concluded that eating a family meal at least three times a week is the key to happiness because it helps build a/an 5 bond between parents and their children.But happiness might be 6 when you are born. Names can apparently predict how happy we are as individuals, with researchers at Manchester Metropolitan University claiming in 2011 that people called Judy and Joshua 7 life the most Ben, Andrew and Edward were seen as 8 names on the other hand.Married couples are most 9 to be happy with their 10 , according to the study, which also found that the happiest relationships are those less than five years old between two university graduates who have no children.Research has also suggested that happiness begins at 50. A study from Stony Brook University, New York, found that stress, anger and 11 fade after your 50th. Women were also reported to 12 greater stress, worry and sadness at all ages.Money makes the world go round, but it is not the key to happiness, according to other studies. In 2010, a survey from the office for National Statistics found that British families were healthier and twice as well off as they were 20 years ago, but are no happier.However, other studies have found money can buy you happiness after all, but only if you 13 . it wisely.14 , that might be why a good holiday can 15 your happiness levels "for up to two months" after-although the break has to be "very relaxing" to have such an effect.1 wyers B.teachers C.scientists D.accountants2 A.positive B.negative C.pessimistic D.doubtful3 A.shorter B.quicker C.longer D. slower4 A.schools panies C.churches D.families5 A.strong B.healthy C.friendly D.interesting6 A.created B.decided C.invented D.made7 A.enjoy B.hate plain D.question8 A.popular B.unpopular mon D.miserable9 A.likely B.unlikely C.lucky D.possible10 A.career B.health C.income D.relationships11 A.tiredness B.pain C.worry D.illness12 A.enjoy B.suffer C.prefer D.get13 A.spend B.cost C.take D.save14 A.Actually B.Fortunately C.Consequently D.Accidentally15 A.change B.Prove C.improve D.reduce第二节语法填空（共10小题；每小题1.5分，满分15分）阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答卷标号为16-25的相应位置上。
高三英语第三次高考模拟考试 (2)
位敦市安定阳光实验学校高三三模试卷英语第Ⅰ卷（三，共115分）第一：听力（共两节，满分30分）第一节(共5小题，每小题1.5分，满分7.5分)听下面5段对话。
每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相位置。
听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
1. How much will the man pay for the tickets?A.￡7.5.B.￡15.C.￡50.2. Which is the right gate for the man's flight?A. Gate 16.B. Gate 22.C. Gate 25.3. How does the man feel about going to school by bike?A. Happy.B. Tired.C. Worried.4. When can the woman get the computers?A. On Tuesday.B. On Wednesday.C. On Thursday.5. What does the woman think of the shirt for the party?A. The size is not large enough.B. The material is not good.C. The color is not suitable.第二节(共15小题，每小题1.5分；满分22.5分)听下面5段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相位置。
听每段对话或独白前，你有时间阅读各小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间；每段对话或独白读两遍。
听第6段材料，回答第6、7题。
6. What can we learn about Mr. Brown?A. He is in his office.B. He is at a meeting.C. He is out for a meal.7. What will the man probably do next?A. Call back.B. Come again.C. Leave a message.听第7段材料，回答第8、9题。
2021年明德天心中学高三英语三模试卷及答案
2021年明德天心中学高三英语三模试卷及答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项ANational Disability Insurance Scheme (方案)The National Disability Insurance Scheme (NDIS) will transform the way Queenslanders with disability are supported and change the way disability services are funded and delivered.Under the scheme, Queenslanders with disability will have choice and control over how they access support and who delivers them. They will also have certainty that they will be supported throughout their lifetime to achieve their personal goals.The NDIS will have an effect on the following programs.School Transport Assistance Program for Students with DisabilityThe NDIS will not disrupt existing services for qualified students. The Queensland Government will also continue to provide school transport assistance for students with disability who are not qualified to receive funding via the NDIS.For more information about the School Transport Assistance Program, and to check your qualification, visit the Education and Training website.Taxi Subsidy (补助金) SchemeThe Queensland Governmenthas lengthened the Taxi Subsidy Scheme (TSS) membership for NDIS qualified members to 31 October, 2022. This will allow more time to solve transport support arrangements under the Commonwealth’s NDIS.You can find more information about the TSS and your qualification on the TransLink website.Disability Parking Permit SchemeNo changes will be made to the Disability parking permit scheme when the NDIS is introduced inQueensland. Current arrangements for this scheme will be maintained.You can find more information on this scheme, and check your qualification, on the Queensland Government website.Public Transport Concessions for People with DisabilityThere will be no change to concessions on public transport for people with disability when the NDIS isintroduced inQueensland. TransLink will continue to ensure concessions are provided for disabled persons travelling on public transport inQueenslandwhen the NDIS is introduced.You can find more information about public transport discounts for people with disability, and check your qualification, on the TransLink website,1.Which program helps drive the disabled to and from school?A.Taxi Subsidy Scheme.B.Disability Parking Permit Scheme.C.Public Transport Concessions for People with Disability.D.School Transport Assistance Program for Students with Disability.2.What can we learn about Taxi Subsidy Scheme?A.The scheme is for parking permit.B.The existing membership can be effective for longer time.C.There is no change to current arrangements for the scheme.D.The NDIS will not break off existing services for qualified students.3.What do the four programs have in common?A.They are all related to transport.B.They are all largely affected by NDIS.C.They all can be checked on the same website.D.They all provide discounts for disabled persons.BA Virginia teen is doing his part to make sure frontline health care workers are getting the meals they need to help them take care of themselves and others.Arul Nigam, 17, of Tyson's Corner, Va. , has had to make several adjustments since his school year ended abruptly in mid-March due to the coronavirus pandemic(新冠疫情).“We didn'thave any classes for like over a month and then after that there were a lot of technical difficulties. So I started to have a lot more free time,” he tells Yahoo Life. “It was really saddening, but it was also something that really surprised me, that our health care workers are facing something like that,” Nigam says. “So I wanted to see what I could do to help them because obviously, they're sacrificing so much and giving so much for all of us. ”In late March, the teen started fundraising efforts with the help of friends and family to help these health care workers receive much-needed meals. He also began doing research about what hospitals had the mostamount of coronavirus cases, so he could prioritize those places first. He was also arranging for the orders to be fulfilled at local family-owned restaurants impacted by shutdown orders. So far, Nigam has delivered over 1,000 meals to 22 hospitals in 13 states, including New York, Massachusetts and Maryland.Nigam's efforts have not only helped health care workers, but restaurants as well. With quarantine restrictionstaking a toll onthe food industry, places like Best Coast Burrito in Oakland, Calif. , have lost business over the last few weeks. Best Coast's owner,Alvin Shen, tells Yahoo Life that being able to partner with Arul and others in efforts to feed those on the frontline has been a big help.4. What would Nigam probably do according to his words?A. Study at home by himself.B. Spend the more free time playing.C. Donate some money to health care workers.D. Do something helpful for health care workers.5. What is Nigam's priority when delivering food?A. The urgency of meals.B. The severity of the virus.C. The number of doctors.D. The position of hospitals.6. What does the phrase “taking a toll on” in the last paragraph mean?A. Turning a blind eye to.B. Keeping an eye on.C Causing lots of damage to.D. Answering completely for.7. Where can you probably read this text?A. Science fiction.B. Fashion magazine.C. Life magazine.D. Entertainment newspaper.CWhere do you find beauty? Fashion Magazines? Music Videos? One American photographer is finding beauty in unexpected places. And a new documentary about his work might help change the traditional standards of “who”is beautiful.Rick Guidotti put aside his career as a fashion photographer to turn his lens to people living with genetic, physical and behavioral differences. He says what changed his perception of beauty was a chance encounter with an albino （白化病）girl.“I was just tired of people telling me who was beautiful. Every season that face would change but I was always told who was beautiful. As an artist, I don't see beauty just on covers of magazines. I see it everywhere. So it was my initial intention that opened my eyes a little wider and wider.” Said Guidotti.Guidotti has created Positive Exposure, a not-for-profit organization that uses photography and video to transform public views and promote a world where differences are celebrated. Guidotti and Positive Exposure are featured in a new documentary called On Beauty.The cast and crew recently hosted a screening at Georgetown University in Washington. One of the women featured in the film is Jayne Waithera. “I never thought I was beautiful because nobody said that to me, but meeting him was my profound moment. I remember that particular day he took my picture and I felt so good like I felt there's somebody who, really loves me and sees me for who I am and who sees me more than my condition.” said Waithera.The documentary is the idea of producer Joanna Rudnick. After seeing Guidotti's photos, she decided to tell his story. Joanna and Guidotti are traveling from city to city to promote On Beauty. “As I travel from community to community, I'm taking photographs and I'm encouraging individuals with a positive sense of who they are. They're seeing beauty in their reflection but I'm also encouraging their families and they in turn are encouraging their communities as well. All is based on the philosophy of change how you see,see how you change.”8. What made Rick change his understanding of beauty?A. A girl diagnosed with albino.B. His job as a fashion photographer.C. The beauty on the covers of magazines.D. Influence from the people working with him.9. What can we infer about Jayne Waithera?A. She showed great interest in taking photos.B. She used to be disappointed at her work and life.C. She was greatly influenced by the experience with Rick.D. She believed Rick was the best photographer in the world.10. Which of the following words can best describe On Beauty?A. abstract and differentB. traditional and academicC. tolerant and encouragingD. creative and interesting11. What's the best title of the text?A. True Beauty In The Eye Of A PhotographerB. Beautiful Or Not Beautiful,That's A QuestionC. Be Who You Are Not Who You Want To BeD. A Different photographer, A Different MagazineDWhen John was growing up, other kids felt sorry for him. His parents always had him weeding the garden, carrying out the garbage and delivering newspapers. But when John reached adulthood，he wasbetter off than his childhood playmates. He had more job satisfaction, a better marriage and was healthier. Most of all, he was happier. Far happier.These are the findings of a 40-year study that followed the lives of 456 teenage boys fromBoston. The study showed that those who had worked as boys enjoyed happier and more productive lives than those who had not. “Boys who worked in the home or community gained competence（能力）and came to feel they were worthwhile members of society, ” said George Vaillant, the psychologist（心理学家）who made the discovery. “And because they felt good about themselves, others felt good about them.”Vaillant’s study followed these males in great detail. Interviews were repeated at ages 25, 31and 47. Under Vaillant, the researchers compared the men’s mental-health scores with their boyhood-activity scores. Points were awarded for part-time jobs, housework, effort in school, and ability to deal with problems.The link between what the men had done as boys and how they turned out as adults was surprisingly sharp. Those who had done the most boyhood activities were twice as likely to have warm relations with a wide variety of people, five times as likely to be well paid and 16 times less likely to have been unemployed. The researchers also found that IQ and family social and economic class made no real difference in how the boys turned out.Working—at any age—is important. Childhood activities help a child develop responsibility, independence, confidence and competence—the underpinnings（基础）of emotional health. They also help him understand that people must cooperate and work toward common goals. The most competent adults are those who know how to do this. Yet work isn't everything. As Tolstoy once said, “One can live magnificently in this world if one knows how to work and how to love, to work for the person one loves and to love one's work.”12. What do we know about John？A. He received little love from his family.B. He had few childhood playmates.C. He enjoyed his career and marriage.D. He was envied by others in his childhood.13. Vaillant’s words in Paragraph 2 serve as _______.A. a description of personal values and social valuesB. an analysis of how work was related to competenceC. an example for parents' expectations of their childrenD. an explanation why some boys grew into happy men14. Vaillant's team got their findings by _______.A. recording the boys' effort in schoolB. comparing different sets of scoresC. evaluating the men's mental healthD. measuring the men's problem solving ability15. What can be inferred from the last paragraph?A. Competent adults know more about love than work.B. Emotional health is essential to a wonderful adult life.C. Love brings more joy to people than work does.D.Independenceis the key to one's success.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2019-2020学年明德天心中学高三英语三模试题及参考答案
2019-2020学年明德天心中学高三英语三模试题及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项APlan Your Visit to the British MuseumWe've made a few changes to ensure you can safely enjoy your visit:How to book tickets·Tickets for the permanent collection can only be hooked online in advance.·To book tickets for exhibitions, visit our exhibition pages. If you want to guarantee your visit to the permanent collection as well as the exhibition on your visit, you will need to book a separate ticket.·We are limiting numbers of people in the museum to ensure there is room for you to safely enjoy your visit. Everyone, including members and volunteers, will therefore need to book a free, timed ticket in advance.Important information about your ticket booking·You can book up to six tickets for people who live in the same family.·We will email yourticket to you, and you will need to show it either printed out or on your device (设备) when you arrive.·Please arrive at the time stated on your ticket-we cannot guarantee admission before or after it.Following the routeWe have created a new one-way route through the museum which will allow you to safely explore world cultures from the Mediterranean to the Middle East and from the Americas to Africa.·View a map of the route (Open in a new window).·Our audio guides (音频指南) are not available. However, youcan pay to download the audio introductions from iTunes (Open in a new window) or Google Play (Open in a new window) to each of the galleries and listen on your own device. Please remember to bring along your own headphones.1.Why does the museum offer timed tickets?A.To earn more money.B.To hire more volunteers.C.To save room for collections.D.To control the number of visitors.2.How can a visitor learn about the new route in advance?A.View an online map.B.Buy a new headphone.C.Buy audio guides from the museum.D.Download video introductions from iTunes.3.Where can you probably find the text?A.In a newspaper.B.In a magazine.C.On a website.D.In a report.BHappiness is not a warm phone, according to anew study exploring the link between young life satisfaction and screen time. The study was led by professor of psychology Jean M. Twenge at San Diego State University (SDSU).To research this link, Twenge, along with colleagues Gabrielle Martin at SDSU and W. Keith Campbell at the University of Georgia, dealt with data from the Monitoring the Future (MtF) study, a nationally representative survey of more than a million U. S. 8th-, 10th-, and 12th-graders. The survey asked students questions about how often they spent time on their Phones, tablets and computers, as well as questions about their face-to-face social interactions and their overall happiness.On average found that teens who spent more time in front of screen devices — playing computer games, using social media, texting and video chatting — were less happy than those who invested more time in non-screen activities like sports, reading newspapers and magazines, and face-to-face social interactions."The key to digital media use and happiness is limited use," Twenge said. "Aim to spend no more than two hours a day on digital media, and try to increase the amount of time you spend seeing friends face-to-face and exercising — two activities reliably linked to greater happiness."Looking at historical trends from the same age groups since the 1990s, it's easy to find that the increase of screen devices over time happened at the same time as a general drop-off in reported happiness inU. S.teens. Specifically, young peopled life satisfaction and happiness declined sharply after 2012. That's the year when the percentage of Americans who owned a smartphone rose above 50 percent. By far the largest change in teens' lives between 2012 and 2016 was the increase in the amount of time they spent on digital media, and the following decline in in-person social activities and sleep.4. Which method did Twenge's team use for the study?A. Calculating students' happiness.B. Asking students certain questions.C. Analyzing data from a survey.D. Doing experiments on screen time.5. How does the author develop the finding of the study in paragraph 3?A. By making a comparison.B. By giving an example.C. By making an argument.D. By introducing a concept.6. What is the purpose of the last paragraph?A. To draw a conclusion from the study.B. To offer some advice to the readers.C. To prove social activities' importance.D. To support the researchers' finding.7. Which of the following can be the best title for the text?A. Quitting Phones Equals HappinessB. Screen Time Should Be BannedC. Teens' Lives Have Changed SharplyD. Screen-addicted Teens Are UnhappierCOur house was across the street from a big hospital so we rented our spare upstairs room to outpatients (门诊病人). One evening, there was a knock at the door. I opened it to see a truly sick-looking man.His face looked terrible — it was swollen and red. Yet his voice was pleasant. He told me that he came for treatment and that he’d been hunting for a spare room since noon, but no one would give him one. “I guess it’s my face...”For a moment, I hesitated, but his next words convinced me: “I will sleep in this rocking chair on the porch. My bus leaves early in the morning.”The old man had a huge heart inside his tiny body. He told me that he fished for a living to support his daughter, his daughter’s five children and her disabled husband.He didn’t complain while telling me his story. He was grateful that no pain accompanied his disease, which was seemingly a form of skin cancer.The next morning, he said, “Can I come back and stay next time I need treatment?” I told him he was welcome to come again.On his next trip, as a gift, he brought a big fish and some large oysters (牡蛎). In the years that he stayed withus, there was never a time that he did not bring us gifts like these.My neighbour warned me that I could lose potential renters after the old man left.Maybe we did lose renters once or twice. But if they had known him, perhaps their illnesses would have been easier to bear. I know our family will always be grateful to have known him. From him, we learned what it was to accept the bad without complaint and the good with gratitude.8. Why did the author let the old man stay after hesitation?A. The old man looks terrible and frightening.B. The old man is pitifully undemanding.C. The old man could’t rent room from others.D. The old man talked happily with the author.9. Which of the following shows the old man had a big heart?A.He had a large family to raise.B. He could sleep in a rocking chair.C. He did’t care about his disease.D. He wanted to come back and stay the next time.10. What can we learn about the author from the last two paragraphs?A. He was grateful for the neighbour’s warning.B. He and his neighbor are good friends.C. He truly appreciated the old man.D. He lost potential renters happily.11. What can be a suitable title for the text ?A. Kindness makes the world beautiful.B. Happiness is around thecorner.C. No pains, No gains.D. Live positively.DBeing an Olympian (奥运会选手) demands focus, determination, and a competitive spirit. Plus, representing your country is a lot of pressure. However, two athletes recently showed the world another quality that is definitely worth championing.Qatar's Mutaz Essa Barshim and Italy's Gianmarco Tamberi were competing in the high jump on Sunday when they reached a stalemate (僵局). Both men had managed to jump over a surprising 2.37 meters with no faults along the way. However, after three attempts neither managed the next level of 2.39 meters.An Olympic official suggested ajump-offbetween the two friends and rivals (竞争对手) to determine who would get the gold medal. But Barshim had another plan to reward their efforts.“Can we have two golds?” he asked the official.The official agreed and the two men jumped for joy. This was the first time a gold medal had been shared since 1912. “He is one of my best friends, not only on the track, but outside the track. We work together. This is a dream come true.” shared Barshim.The decision to share the medal was particularly meaningful to Tamberi. The Italian had suffered an ankle injury that prevented him from competing in the Rio Olympics in 2016, and it nearly put an end to his career altogether. So this year he brought along his cast to this year's Olympics with “Road to Tokyo 2021” to inspire him along the way.For Barshim, the gold has topped off his already impressive medal collection, having received a bronze and a silver medal in 2012 and 2016 respectively.Despite all the glory of receiving a gold medal for their countries, their achievement means so much more. These two individuals, trying to do their very best for their countries, have provided a wonderful example to all those competing in sports. They've summed up exactly what it means to take part in a global event with a generous and compassionate (有同情心的) spirit.12. What happened to Barshim and Tamberi in the competition?A. They ended in a tie.B. They quit the competition.C. They set a new record.D. They ran out of strength.13. What does the underlined word “jump-off” in Paragraph 3 refer to?A. Debate.B. Vote.C. Celebration.D. Extra round.14. Why was the gold medal particularly meaningful to Tamberi?A. It could bring him a lot of money.B. It may make up for his regret in 2016.C. It was a glory for his country.D. It could complete his medal collection.15. What does the author mainly want to convey in the text?A. The importance of sharing.B. The glory of winning gold medals.C. The valuable and special team spirit.D. The considerate and sharing Olympic spirit.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
2020-2021学年明德天心中学高三英语三模试卷及答案
2020-2021学年明德天心中学高三英语三模试卷及答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AMust-see MusicalsReady to get back to the theater and enjoy some toe-tapping show tunes? Whether you're a Londoner or just visiting the capital for a day, you're sure to find a good night out from our selection of must-see musicals. Book your ticketsin advance to catch the hottest shows!●TINA- The Tina Turner MusicalFrom humble beginnings in Nutbush, Tennessee, to her transformation into global Queen of Rock n' Roll, Tina Turner didn't just break the rules, she rewrote them. This new stage musicalreveals the story of a woman who dared to defy the bounds of her age, gender and race. TINA—The Tina Turner Musical is written by Oliver Award-winning playwright Katori Hall and directed by Phyllida Lloyd.Performance times: Monday 7 pm; From June 3, 2021 until June 26, 2022Venue: Aldwych Theater, 49 Aldwych, London, WC2B 4DF●The Lion KingTaking the famous story of Simba and his ascension to king, the stage show is a one-way ticket to Pride Lands. With fascinating scenery drawing you in, you'll almost feel like you're part of the action as you journey through Simba's world. To bring The Lion King to life, the show's original director, Julie Taymor, combined live performers and creative props. Creating a visual feast that's since redefined how musicals could and should look, The Lion King really is an all singing, all-dancing affair.Performance times: Tuesday—Saturday 7: 30 pm; From June 1, 2021 until April 3, 2022Venue: Lyceuwm Theater, 21 Wellington Street, London WC2E 7RQ●The Prince of EgyptJourney through the wonders of Ancient Egypt as two young men, raised together as brothers in a kingdom of privilege, find themselves suddenly divided by a secret past. One must rule as Pharaoh, but the other must rise up and free histrue people; both face a destiny that will change history forever.With a huge cast and orchestra of almost 60 artists, this “truly phenomenal production” is based on the classic Dream Works Animation film and features the international best-selling, Academy Award-winning songWhen You Believe.Performance times: Monday—Saturday 7: 30 pm; From July 1, 2021 until January 8, 2022Venue: Dominion Theater, 268—269 Tottenham Court Rd, Fitzrovia, London W1T 7AQ1. Who is the author of TINA—The Tina Turner Musical?A. Oliver Award.B. Katori Hall.C. Phyllida Lloyd.D. Tina Turner.2. What is special for The Lion King?A. It is written by a famous director.B. It reveals a conflict between two brothers.C. It offers a lifelike feast for eyes.D. It shows the importance of protecting lions.3. If you prefer the songWhen You Believe, which theater should you go to?A. Dominion Theater.B. Lyceuwm Theater.C. Aldwych Theater.D. Egypt Theater.BWolves have a certain undeserved reputation: fierce, dangerous, good forhunting down deer and farmers’ livestock. However, wolves have a softer, more social side, one that has been embraced by a heart-warming new initiative.In a bid to save some of Europe’s last wolves, scientists have explored the willingness of these supposedly fierce creatures to help others of their kind. Female wolves, the scientists have discovered, make excellent foster parents to wolf cubs that are not their own. The study, published in Zoo Biology, suggests that captive-bred wolfcubs(幼兽)could be placed with wild wolf families, boosting the wild population.The gray wolf was once the world’s most widely distributed mammal, but it became extinct as a result of widespread habitat destruction and the deliberate killing of wolves suspectedof preying on livestock. Fear and hatred of the wolf have since become culturally rooted, fuelled by myths, fables and stories.In Scandinavia, the gray wolf is endangered, the remaining population found by just five animals. As a result, European wolves are severely inbred and have little geneticvariability（变异性）, making them vulnerable to threats, such as outbreaks of disease that they can’t adapt to quickly. So Inger Scharis and Mats Amundin of Linkoping University, in Sweden, started Europe’s first gray wolf-fostering program. They worked with wolves keptat seven zoos across Scandinavia. Eight wolf cubs between four and six days old were removed from their natural parents and placed with other wolf packs in other zoos. The foster mothers accepted the new cubs placed in their midst.The welfare of the foster cubs and the wolves’ natural behavior were monitored using a system ofsurveillance cameras. The foster cubs had a similar growth rate as their step siblings in the recipient litter, as well as their biological siblings in the source litter. The foster cubs had a better overall survival rate, with 73% surviving until 33 weeks, than their biological siblings left behind, of which 63% survived. That rate of survival is similar to that seen in wild wolf cubs. Scientists believe that wolves can recognize their young, but this study suggests they can only do so once cubs are somewhere between three to seven weeks of age.If captive-bred cubs can be placed with wild-living families, which already have cubs of a similar age, not only will they have a good chance of survival, but they could help dramatically increase the diversity of the wild population, say the researchers. Just like the wild wolves they would join, these foster cubs would need protection from hunting. Their arrival could help preserve the future of one of nature’s most iconic and polarizing animals.4. What’s the theme of the passage?A. Giving wolf cubs a new lifeB. Foster wolf parents and foster cubsC. The fate of wild wolvesD. Changing diversity of wild wolves5. Which of the following flow chart best demonstrates the relationship between the wolves?A. B.C. D.6. Which of the following statements is true?A. Female wolves are willing to raise wolf cubs of 3 to 7 weeks old.B. Foster cubs are accepted by foster parents and are well bred.C. Man’s hostile attitude towards wolves roots in myths, fables and stories.D. Foster cubs and their biological siblings have similar growth rate and survival rate.7. What’s the purpose of the research?A. To help wolves survive various threatsB. To improve wolves’ habitat and stop deliberate killingC. To save endangered wolves by increasing their populationD. To raise man’s awareness of protecting wolvesCThe idea of growing food in a desert would make most people laugh but this is quickly becoming a reality. There are currently two desert farms in the world where quality vegetables are being planted cheaply and easily.Sundrop Farms, based in South Australia, uses experimental greenhouses to grow tomatoes, peppers and cucumbers. The biggest challenge of growing food in a desert, obviously, is the lack of available water. The researchers at Sundrop Farms have gotten aroundthis problemby using the sun to desalinate (淡化) sea water. It can also be used to control the temperature of the greenhouses.Without depending on limited resources such as land and fresh water Sundrop Farms has made farming a practice. This can increase the world’s food supplies. Another benefit ofthis kind of farming is that it can be done anywhere, thus reducing the costs of transporting food to distant locations. Yet another benefit is that it reduces the need for pesticides (杀虫剂).Another experimental desert farm is the Sahara Forest Project, which began in Qatar in December 2012. Greenhouses in the farm are cooled by saltwater. Solar power and other technologies are used together to help make vegetation (植被) grow in the desert environment. As deserts have expanded over recent years around the world due to global warming, this project could solve the problem.The result form the Qatar project were better than expected and in June of 2014, Jordan agreed to host another one. This will be much bigger than the Qatar project and the project members will have even more opportunities to test their experiments on a much larger scale. It is not clear yet that desert farming resents the future of farming but these projects have shown some success in the field.8. What does “this problem” in paragraph 2 refer to?A. Sea water is bard to purify.B. The desert is short of water.C. The temperature is high in the desert.D. Desert farms aren’t fit to plant vegetables.9. What is one of the characters of desert farming?A. It needs more pesticides.B. It saves delivery costs.C. It has a location limit.D. It solves food waste problems10. What can we know about the Sabara Forest Project?A. It lives up to expectationsB. It can help produce more foodC. It is started to prevent global warmingD. It uses technology to produce saltwater11. What can be inferred about desert farming from the last paragraph?A. It still has problems to solve.B. It represents the future of farming.C. Its early success has aroused interest in it.D. Its aim is to create more job opportunities.DIf you have ever been disappointed because you don’t have a good gardener ,the clever robot may one day become the helper of your indoor plantsThe Hexa Plant is a six-legged robot that has been specially made to care for the potted plant that carries on top of its head .Using light and heats sensors (传感器) the robot has the ability to carry its plant in and out the daylight .If the houseplant needs more sun，the Hexa will walk into the sunlight ;and if the houseplant is getting too hot , the Hexa will go back into the area that blocks direct light The Hexa Plant will even do a little dance when it senses that the plant needs to be watered to warn its owner .The robot was developed by Vincross engineer and founder Sun Tianqi after he saw a dead sunflower sitting in the darkness in a room back in 2014 .” Plants only receive an action without responding ,”SunTianqi wrote in a blog post .” Whether they are being cut ,bitten ,burned or pulled from the earth ,or when they haven’t received enough sunshine ,water ,or are too hot or cold ,they will hold still and take whatever is happening to them .According to Sun Tianqi ,for billions of years ,plants have never experienced movement of any kind ,not even the simplest movement .In their whole lives ,they stick to where they were born .Sun Tianqi continued ,” Do they want break their own settings or have a tendency towards this ?I do not know the answer ,but would love to try to share some of this human tendency and technology with plants With the help of the robot ,plants can experience the move”.The Hexa Plant model robots are not for sale ,though Vincross does sell a Hexa robot model .It is said that in the near future the robots can open up a new market to watch over our household plants12. What can we learn about the Hexa Plant?A. It helps people do some gardening .B. It waters the plants through dancingC. It helps indoor plants get proper sunlightD. It carries the potted plant with its hands13. What does the author try to show through Paragraph 3?A. The way plants spend their whole livesB. The common way people deal with plantsC. The difference between plants and humansD. The cause of making the indoor plants’ helper.14. What does Sun Tianqi try do using this technology?A. To develop gardening skills.B. To draw people’s attention plantsC. make plants experience moveD. study the living conditions of plants15. What can be the best title for the text?A. A New Market for robotsB. An Indoor Plants’ HelperC. An Important Development in GardeningD The Tendency of Gardening in the Future第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
mxt-(语文)华南师大附中高三考前热身(三模)
华南师大附中高三考前热身语文本试卷共8页，24小题，满分150分。
考试用时150分钟．注意事项：1．答题前，考生务必用黑色字迹的钢笔或签字笔将自己的姓名和考生号、座位号填写在答题卷的相应位置上，并用2B铅笔将答题卷上考生号对应的信息点涂黑。
2．选择题选出答案后，请用2B铅笔将答题卷上对应的答案信息点涂黑：非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卷各题目指定区域内相应位置上。
一、本大题4小题，每题3分，共12分。
1．下列词语中加点的字，每对读音都不相同的一组是A．镌．刻/隽．永讣．告／阜．盛躯壳．／脑壳．B．付梓．／渣滓．跻．身／侪．辈屏．除／屏．息C．木讷．／按捺．濒．临／嫔．妃渐．染／渐．次D．罪愆．／悭．吝箴．言／甄．别禁．忌／禁．受2.下面语段中画线的词语，使用不正确的一项是“诗圣”杜甫在去世一千多年后的今天突然变得很忙。
很火．借助网络的推波助澜，杜甫很忙：一会是送水工、肌肉男，一会是火影忍者、高达战士……各种搞怪造型不一而足。
年轻人“恶搞”杜甫画像，拿名人大家开涮，这种穿凿附会的做法不得不令人担心，随意拿文化名人消遣娱乐，久而久之，会失了分寸，辱没传统。
A.推波助澜B.不一而足 C．开涮 D.穿凿附会3．下列句子中，没有语病的一项是A．“虎妈”、“狼爸”引发了人们对家庭教育的思考。
对孩子爱一点还是严一点，是穷养还是富养，不同的家庭不约而同地给出了肯定的回答。
B．2012年伦敦夏季奥运会的吉祥物是精灵文洛克，它以英格兰的萨罗普羊为原型，造型活泼而且富有动感，设计充满了想象力。
C．针对广大百姓关注的住房问题，温家宝总理在报告中指出，要坚决遏制部分城市房价过快上涨势头，满足人民群众的基本住房。
D．研究人员最近发现了《册封琉球国记略》原件，是钓鱼岛自古用于中国的最新明确证据，公布以来，在海内外影响巨大。
4.把下列句子组成语意连贯的一段文字，衔接最恰当的一组是①人们把自身发展过程中所积累的各类重大发明，以及对各种自然、社会障碍的克服，都加在一个个神话英雄身上，并把他们看作是本部族的理想的象征，②这些神话的主人公通常是人的形象，他们都有着神异的经历或本领，他们的业绩在于创造和征服，如燧人氏、有巢氏、神农氏、仓颉、后稷等．③它标志着人类自身的主体性突出了，这是社会进步的结果，历史上相继出现了大量有关文化英雄的神话．④黄帝之前，神话中有着大量的自然神。
2020年明德天心中学高三英语三模试卷及答案解析
2020年明德天心中学高三英语三模试卷及答案解析第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AIn the 1994 filmForrest Gump, there’s a famous saying, “Life is like a box of chocolates; you never know what you’re gonna get.” The surprise is part of the fun. Now blind box toys are bringing the magic of surprise to online shopping.A blind box toy is hidden inside uniform packaging but invisible from the outside. You don’t know what will be inside, although the toys typically come from pop culture, ranging from movies to comics and cartoons.Blind boxes have caught on since they were first introduced fromJapantoChinain 2014. According to a 2019 Tmall report, the mini-series of Labubu blind box, designed byHong Kong-born Kasing Lung, was named Champion of Unit Sales with 55,000 sold in just 9 seconds during the Singles Day shopping event. Most customers for blind boxes are young people aged 18 to 35.According to The Paper, blind box toys are popular in part because of their cute appearances. The typically cute cartoon figurines come in miniature sizes, making them suitable for display almost anywhere.Even if blind boxes are not their top choice for decorations, the mystery and uncertainty of the process also attracts people. It’s the main reason why people buy blind boxes one after another.“Fear of the unknown is always a part of the box-opening process,” said Miss Cao, 24, who lives and works inShenyang. Speaking to Sina News, she said: “Until you open all the boxes, you cannot know what it is inside.”Opening a blind box is a delightful little surprise for our mundane daily lives, something small but fun to wait for each day, week or month. When people open this simple little box, they may be disappointed, but the uncertainty is part of the fun. People will open more blind boxes and hope for a better outcome.When someone re-makesForrest Gump, don't be surprised if he says, “Life is like a blind box...”1. Why is the famous saying in the filmForrest Gumpquoted at the beginning?A. To arouse the readers’ interest.B. To present the writer’s view.C. To introduce the topic.D. To highlight the fun of blind boxes.2. Which of the following is the main feature that makes blind box so popular?A. Miniature sizes.B. Cute appearances.C. Fear of the unknown.D. Mystery and uncertainty.3. What can we learn from the passage?A. Blind box became popular in 2019 after being first introduced fromJapantoChina.B. Blind box toys typically originated in pop culture, varying from movies to cartoons.C. Blind box toys was designed and named by Hong Kong-born Kasing Lung.D. When people open this simple little box, they will feel disappointed.BA company called Neuralink has shared a video which appears to show a monkey playing a video game, but what makes the video even stranger is that themonkey is playing the video game with just its mind.Neuralink is a company owned by Elon Musk, which is working to develop devices that could allow people to control things using just their brains. The monkey in the video is called Pager, having special "Link" devices inside his brain. These devices are connected to 2,048 wires which lead to the parts of Pager's brain that control movements of the arms and hands.Scientists taught Pager to play a video game using a banana juice as a reward when he playedthe game correctly. Soon Pager was eager to play well in order to get more smoothie. At first, Pager controlled the video game using a joystick (操纵杆). But as Pager played, his Link devices wirelessly sent out information about the signals his brain was using to control his arms and hands. Neuralink's scientists recorded all of these signals.Then they used computers to match up the signals from Pager's brain to the movements that his hands were actually doing. This was challenging work and the scientists counted on artificial intelligence (AI) to help them decode (解码) Pager's brain signals.The next step was to have a computer make moves in the video game as if Pager had actually moved the joystick. If Pager thought about moving the joystick up, the computer would send an "up"signal to the video game. Thus Pager was able to play the video game using just his brain.When people are paralyzed (瘫痪的), it's often because the brain has lost the ability to send signals to nerves and muscles in certain parts of the body. Neuralink hopes that one day, its system will be ableto send this information in a different way, allowing paralyzed people to use their arms or legs again.4. What does Neuralink aim to do?A. To make monkeys much smarter.B. To solve complex problems with monkeys.C. To create a device linking monkeys and people.D. To make people control things with their brains.5. How does the author introduce the process of the research?A. In order of time.B. By making a comparison.C. By giving examples.D. In order of space.6. What played an important role in the success of the research?A. The joystick.B. Artificial intelligence.C. The video game.D. The banana smoothie.7. Which is the most suitable title of the test?A. Neuralink Posts an Unusual VideoB. Disabled People Have a Bright FutureC. Monkey Plays Video Games with His MindD. Neuralink, a Creative and Competitive CompanyCSome of the oldest art in human history is being damaged, scientists say. And climate change may be speeding up its loss. Newresearch reports that ancient rock art in Indonesian caves is degrading over time, as bits of rock slowly break off from the walls. It's a huge loss for human history.Salt crystals（结晶）building up on the walls are a key part of the problem, the study suggests. These salt crystals go into the cave walls, changing sizes as temperatures rise and fall. This process causes the rock to slowly break down.Salt crystals may become larger when exposed to repeated changes between wet conditions and periods of drought. These kinds of changes are expected to become more obvious as the climate continues to warm.In particular, the researchers say, climate change may cause more intense El Nino（厄尔尼诺）events in the future. These events can strengthen the kinds of conditions that help salt crystals form Scientists are still debating the exact influence of climate change on El Nino, a natural climate cycle that drives changing patterns of warming and cooling in thePacific Ocean.The new study, led by Jillian Huntley, examined 11 ancient cave art sites in South Sulawesi, Indonesia. The researchers found evidence of salt formation at all 11 sites. It's merely a small part There are more than 300 known eave art sites around the region. The researchers note that salt crystals may indeed be part of the problem, adding that climate change is a growing threat, one that deserves more attention.8. What is the main cause of the rocks breaking off from the wall?A. Weather patterns.B. Salt crystals.C. Wet conditions.D. Drought Periods.9. Which of the following may researchers agree with?A. El Nino events prevent salt crystals forming.B. Climate change makes little difference to El Nino.C.Salt crystals may become much larger in wet conditions.D. Constant warm weather may cause salt crystals to change size.10. Which word best describes Huntley's attitude to climate change?A. Worried.B. Curious.C. Doubtful.D. Positive.11. What can we learn from thelast paragraph?A. The formation and patterns of salt crystals.B. The impact of climate change on ancient rock arts.C. The historical value of ancient rock art in cave sites.D. The threats of human activities to ancient eave art sites.DScientists at the Massachusetts Institute of Technology (麻省理工学院) have turned spider webs into music——creating an strange soundtrack that could help them better understand how the spiders output their complex creations and even how they communicate.The MIT team worked with Berlin-based artist Tomas Saraceno to take 2D (two-dimensional) laser (激光) scans of a spider web, which were linked together and made into a mathematical model that could recreate the web in 3Din VR (virtual reality). They also worked with MIT’s music department to create the virtual instrument.“Even though the web looks really random (随机)，there actually are a lot of inside structures and you can visualize (可视化) them and you can look at them, but it’s really hard to grasp for the human imagination or human brain to understand all these structural details,” said MIT engineering professor Markus Buehler, who presented the work on Monday at a virtual meeting of the American Chemical Society.Listening to the music while moving through the VR spider web lets you see and hear these structural changes and gives a better idea of how spiders see the world, he told CNN. “Spiders use vibrations (振动) as a way to locate themselves, to communicate with other spiders and so the idea of thinking really like a spider would experience the world was something that was very important to us as spider material scientists,” Buehler said.Spiders are able to build their webs without shelves or supports, so having a better idea of how they work could lead to the development of advanced new 3D printing techniques. “The reason why I did that is I wanted tobe able to get information really from the spider world, which is very weird and mysterious,” Buehler explained. In addition to the scientific value, Buehler said the webs are musically interesting and that you can hear the sounds the spider creates during construction. “It’s unusual and eerie and scary, but finally beautiful.” he described.12. What have MIT scientists done according to the passage?A. They have translated spider webs into sounds.B. They have made a mathematical model to produce webs.C. They have created a soundtrack to catch spiders.D. They have known how spiders communicate.13. What can we know about spider webs from paragraph 3?A. Their structures are beautiful and clear.B. Professor Markus Buehler knows them well.C. The American Chemical Society presents the result.D. They are complex for people to figure it out.14. In which field will the study be helpful?A. virtual realityB. printingC. paintingD. film-making15. What is the main idea of the passage?A. It tells us that the music created by spiders is scary.B. It shows how the researchers carry out the experiment.C. It presents a new and creative way to study spiders.D. It explains why scientists did the experiment.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
mxt-高三年级模拟考试(三模)(理综)
普通高中毕业班综合测试（三）理科综合本试卷分选择题和非选择题两部分，共13页，满分300分，考试用时150分钟.注意事项：1．答卷前，考生务必用黑色字迹的钢笔或签字笔将自己的姓名、考号填写在答题卡上．2．选择题每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑；如需改动，用橡皮擦干净后，再选涂其它答案；不能答在试卷上．3．非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在非选择题答题卷上指定的区域内；如需改动，先划掉原来的答案，然后再写上新的答案；不准使用铅笔和涂改液，不按以上要求作答的答案无效．4．考生必须保持答题卡的整洁，考试结束后，将答题卷和答题卡一并收回.第一部分选择题（共118分）一、单项选择题：本大题共16小题，每小题4分，共64分；在每小题给出的四个选项中，只有一个选项符合题目要求，选对得4分，选错或不答的得0分.1．下列有关说法错误的是A．肽键含有C、H、O、N四种元素B．细胞膜具有控制物质进出细胞的功能C．细胞核是细胞的代谢和遗传的控制中心D．与无机催化剂相比，酶的特点是能降低化学反应的活化能2．下列有关细胞分裂的叙述正确的是A．无丝分裂过程中，没有纺锤丝、染色体和细胞核形态的变化B．染色体在有丝分裂中复制一次，在减数分裂中则复制两次C．有丝分裂可产生新细胞以修补损坏的人体组织，帮助伤口愈合D．人的一个处于减数第二次分裂中期的次级精母细胞中含有46个DNA分子3．某课外兴趣小组的同学从菠菜叶中分离得到具有活性的叶绿体，制成叶绿体悬浮液。
在提供叶绿体悬浮液必要的物质和适宜温度、光照强度条件下，测得光合作用强度与CO2含量的关系如右图。
以下对右图的分析，合理的是A．在一定范围内提高温度，C点将上移B．CO2含量高于a点时，悬浮液中才进行光合作用C．CO2含量在a点时，光合作用和细胞呼吸的速率相等D．b点时，悬浮液产生ATP的场所是细胞质基质、线粒体、叶绿体4.下列有关叙述正确的是A．位于DNA分子一条链的两个相邻的碱基之间的是脱氧核糖、磷酸基、脱氧核糖B．由于染色体变异变化的基因不多，故在显微镜下无法直接观察到C．基因工程的工具只有限制酶、DNA连接酶、运载体D．突变、基因重组和自然选择为生物进化提供原材料5．图示为某人体内一些神经元的位置，下列叙述正确的是A．兴奋在①（突触）处的传递是双向的B．效应器只由传出神经末梢构成C．腿部随意动作的神经传递路线为Ⅴ→Ⅳ→Ⅲ→ⅠD．若神经元Ⅳ受损，脚趾给图钉刺伤后，这人不感到痛，但能反射性地移开腿部6．下列有关生物技术的叙述，正确的是A．由于醋酸菌作用的结果，使制作的泡菜呈酸味B．菊花的组织培养过程中，培养基、锥形瓶和外植体都需经灭菌处理C．PCR的反应过程一般要经历多次循环，每次循环分为变性、复性和延伸三步D．用稀释涂布平板法对土壤中的细菌计数时，需选择菌落数在10-100的平板7．从海水中提取镁的工业流程如下图所示，下列说法正确的是A.上述工艺流程中的物质类别包括有：单质、氧化物、酸、碱、盐等B.上述工艺流程中的反应未涉及氧化还原反应C.步骤⑦电解MgCl2时，阴极产生Cl2D.在实验室进行③的操作需用到坩埚、坩埚钳、玻璃棒、酒精灯8．用N A表示阿伏加德罗常数的值，下列叙述中正确的是A．1 L pH=1的H2SO4溶液中阳离子数为0.05N AB．54Cr为铬的一种核素，其核外电子数为30N A24C.1mol Cl2与1mol CH4恰好完全反应，则转移的电子总数为2N AD.标准状况下，22.4 L CCl4和HCHO的混合物中含有N A个碳原子9．碳在氧气或臭氧中燃烧的能量变化如右图。
2019-2020学年明德实验学校高三英语三模试卷及答案解析
2019-2020学年明德实验学校高三英语三模试卷及答案解析第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AIt's time to put your two-wheeler to good use on these fun bike paths — each varying in distance and difficulty. Just choose one fit for you.• Paulinskill Valley TrailCheck out Paulinskill Valley Trail, filled with forests, wetlands, and small townsalong this 25- mile route. While the trail is mostly flat, you can do a quick ride. You're likely to catch sight of beautiful birds, considering more than 100 species find a home in the land near the path. Check out the trail in the fall - prime time for pretty sights.•AlaHele MakalaeOn theislandofKaui, you'll find a bike path with lots of beachy views that'll leave you feeling accomplished yet calm. The name translates to “The Path that Goes By Coast,” and, as you might guess, the seven-mile path hugs the shoreline. Start early enough and you'll witness an incredible sunrise to make it even more amazing,• TheCheaha RouteThis ride covers up to 126 miles, with steep climbs and extreme downhills along the way. So prepare for a thrilling ride - one that’s not necessarily for the inexperienced or those looking for an easy, casual ride. Along the route, you'll pedal through five towns. The journey is worth it, though, because you get some of the most scenic views in the state.• The Whitefish TrailFamous for its countless route options, whether you’re a new biker looking for smooth tracks or you have more experience and want to play around on rocky, more technical land, this bike path brings in lots of visitors. The 43-mile route offers beautiful green scenery. Around every comer, you’ll see a new jaw-dropping landscape, from glassy lakes to green mountains.1. When is the best time to visit Paulinskill Valley Trail?A. In Autumn.B. All year round.C. On early mornings.D. On sunny days.2. Which route is not fit for someone new to cycling?A. The Whitefish Trail.B. Ala Hele Makalae.C. Paulinskill Valley Trail.D. TheCheaha Route.3. What's the common feature of the four routes?A. They are full of challenges.B. Various route options are offered.C. They have beautiful scenery.D. Different species can be found there.BIn sportthe sexes are separate. Women and men do not run or swim in the same races. Women are less strong than men.That at least is what people say.Women are called the weaker sex, or, if men want to please them, the fair sex. But boys and girls are taught together at schools and universities. There are women who are famous Prime Ministers, scientists and writers. And women live longer than men. A European woman can expect to live until the age of 74, a man only until he is 68. Are women’s bodies really weaker?The fastest men can run a mile in under 4 minutes. The best women need 4.5 minutes. Women’s time is always slower than men’s, but some facts are a surprise. Some of the fastest women swimmers today are teenage girls. One of them swam 400 meters in 4 minutes 21.2 seconds when she was only 16. The first ‘Tartan’ in film was an Olympic swimmer, Johnny Weissmuller. His fastest 400 meters was 4 minutes 49.1 seconds, which is 37.9 seconds slower than a girl 50 years later! This does not mean that women are catching men up. Conditions are very different now and sport is much more serious. It is so serious that some women athletes are given hormone injections. At the Olympics a doctor has to check whether the women athletes are really women or not. It seems sad that sport has such problems. Life can be very complicated when there are two separate sexes!4. Women are called the weaker sex because _________.A. women do as much as menB. people think women are weaker than menC. sport is easier for men than for womenD. in sport the two sexes are always together5. Which of the following is true?A. Boys and girls study separately everywhere.B Women do not run or swim in races with men.C. Famous Prime Ministers are women.D. Men can expect to live longer than women in Europe.6. The underlined part “That at least is what people say” means people _________.A. say other things, tooB. don’t say this muchC. say this but may not think soD. only think this7. In this passage the author implies that _________.A. womenare weaker than men, but fasterB. women are slower than men, but strongerC. men are not always stronger and faster than womenD. men are faster and stronger than womenCPortraits as ArtAccording to a dictionary, portraiture is “a representation (描绘) of a person, especially of the face by drawing or painting alikeness.” However, this definition neglects the complexities of portraiture. Portraits are works of art that engage with ideas of identity rather than just a likeness. These concepts of identity involve social rank, gender, age, profession, character of the subject, etc. It is impossible to copy all the aspects of identity. Therefore, portraits reflect only certain qualities of subjects. Portrait art has also undergone significant shifts in artistic practice. The majority of portraits are the outcome of current artistic fashions and favored styles. Therefore, portrait art is an art category providing various engagement with social, psychological, and artistic practices and expectations.Since portraits are different from other art categories, they are worthy of separate study. During their production, portraits require the presence of a specific person, or an image of the individual. In many instances, the production of portraiture has required sittings, which result in interaction between the subject(s) and the artist throughout the creation of the work. In certain instances, portrait artists depended on a combination of different involvement with their subjects. If the sitter can’t sit in the studio regularly, portraitists could use his or her photographs. InEurope, during the seventeenth and eighteenth century, the sitting time was sometimes decreased by focusing only on the head. Theoretically, portraitists could work from impressions or memories when creating a painting, but this rarely occurred according to documented records. Nonetheless, whether the work is based on model sittings, copying a photograph, or using memory, the process of painting a portrait is linked with the model’s attendance.Furthermore, portrait painting can be distinguished from other artistic categories by its connection with appearance, or likeness. As such, the art of portrait painting got a reputation for imitation instead of for artistic innovation. Based on Renaissance art theory, portraiture was related to the level of a mechanical exercise as opposed to a fine art. Michelangelo’s well-known protest against portraits is only one example. During the nineteenth and twentieth centuries, the attitude to portraiture was critical. Even so, artists from around the globe persisted in painting portraits despite their theoretical objections. Picasso, for example, became widely-known forcubist still-life painting(立体派静物画) early in his career, but some of his early experiments in this new stylewere his portraits of art dealers.8. What does paragraph 1 mainly tell us?A. The changing definition of portraiture reflects shifting attitudes to it.B. Most portraits reflect artistic fashions and favored styles when created.C. Portraiture is a more complex art form than is defined in a dictionary.D. Portrait art shouldn’t be seen as a distinct art category for its complexity.9. Which of the following is a characteristic of portraiture mentioned in paragraph 2?A. Portraiture typically takes much less time than other art forms.B. Portraiture often requires frequent cooperation between artists.C. Portraits show models in a more accurate way than other art forms.D. Portraits generally involve interaction between subjects and artists.10. According to paragraph 2, during portraits’ production, artists __________.A. based their work on the subjects’ attendanceB. preferred models’ photographs to their presenceC. were more willing to use impressions or memoriesD. reduced sitting time to concentrate on a sitter’s head11. Picasso is chosen as an example by the author because he __________.A. altered the way other artists felt about portrait artB. created portraits in spite of his objection to portrait artC. depended on portrait art to establish a higher reputationD. had fewer theoretical objections to portraitures than othersDThe market for tourism in remote areas is booming as never before. Countries all across the world are actively promoting their wilderness regions-such as mountains, Arctic lands, deserts, small islands and wetlands— to high-spending tourists. The attraction of these areas is obvious: by definition, wilderness tourism requires little or no initial investment. But that does not mean that there is no cost.Once a location is established as a main tourist destination, the effects on the local community are profound. Hill-farmers can make more money from foreign travellers than working in their fields. It is not surprising that many o£ them give up their farm-work. In some hill-regions, this has led to a serious decline in farm output and a change in the local diet, because there is lacking labour to maintain terraces and irrigation systems. The result hasbeen that many people in these regions have turned to outside supplies of rice and other foods.InArcticand desert societies, year-round survival has traditionally depended on hunting animals and fish and collecting fruit over a ly short season. However, as some inhabitants become involved in tourism, they no longer have time to collect wild food; this has led to increasing dependence on bought food and stores. What should they do if these new sources of income dry up?The physical impact of visitors is another serious problem associated with the growth in adventure tourism. Much attention has focused on erosion along major roads, but perhaps more important are the forest destruction and impacts on water supplies arising from the need to provide tourists with cooked food and hot showers. In both mountains and deserts, slow-growing trees are often the main sources of fuel and water supplies may be limited through heavy use.12. Why are some countries promoting the wilderness regions to tourists?A. The wildness regions are accessible to tourists.B. The landscapes there are beautiful and unique.C. Developing tourism there doesn't need much investment.D. Lots of high-spending tourists prefer such remote regions.13. What is the effect of tourism on the local community?A. Many hill farmers have turned to outside supplies of foods.B. There is enough labour to maintain terraces and irrigation systems.C. Farm output there has increased and local diet has changed.D. The local people's new sources of income will dry up soon.14. Which might be the best title of the passage?A. The future of wilderness tourism.B. The impacts of wilderness tourism.C. The destruction of wilderness tourism.D. The disadvantages of wilderness tourism.15. If there is one more paragraph following the last paragraph, what will it talk about?A. The effects on local people.B. The solutions tothese problems.C. The choices of adventure tourists.D. The reasons for visiting remote areas.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
mxt-高三年级模拟考试(三模)(文综)
高三下学期三模文科综合本试卷分选择题和非选择题两部分，共9页，满分300分，考试用时150分钟。
注意事项：1.答卷前，考生务必用黑色字迹的钢笔或签字笔将自己的校名、姓名、考号填写在答题卡的密封线内。
2.选择题每小题选出答案后，用2B铅笔把答题卡上对应题目的答案标号涂黑；如需改动，用橡皮擦干净后，再选涂其它答案；不能答在试卷上。
3.非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在另发的答题卷各题目指定区域内的相应位置上；如需改动，先划掉原来的答案，然后再写上新的答案；不准使用铅笔和涂改液．不按以上要求作答的答案无效。
4.考生必须保持答题卡的整洁，考试结束后，将答题卷和答题卡一并收回。
第一部分选择题（共140分）一、选择题：本大题共35小题，每小题4分，共140分。
在每小题列出的四个选顶中，只有一项是符合题目要求的。
1.下列关于大气运动的说法，正确的是A.同一水平面上大气由低压区流向高压区B．空气的上升或下沉运动形成风C．地区间的冷热不均引起空气垂直运动D.三圈环流是大气运动的最简单形式2．难以形成山脉的地质作用是A．地壳水平运动 B．地壳垂直运动C．火山喷发 D.风力侵蚀读我国某地气候统计图，回答3～4题。
3．该地最可能位于A．云贵高原B．河西走廊C．长江中下游平原D．东北平原4．下列关于该地的叙述正确的是A.植被为亚热带落叶阔叶林B.地表呈现千沟万壑的景观C.喀斯特地貌广布，滑坡频发D.昼夜温差较大，光照充足下图表示2005年人口自然变化对比(‰)。
读图回答5～6题。
5．图中A．世界人口增长的特点是“高出生率、高死亡率、低自然增长率”B．发达国家的人口出生率、死亡率与自然增长率均低于世界平均水平C．死亡率是影响发达与发展中国家人口自然增长率差异的主要因素D．中国与发展中国家的人口增长模式相同6．与中国相比，发达国家人口死亡率高的主要原因是A.进入老龄化社会B.自然灾害频发C．经济增长缓慢 D．医疗卫生条件差7．某地理活动小组在学校周围进行地理考察活动，了解到学校附近盛产苹果、小麦、大蒜等农产品。
2021年明德实验学校高三英语三模试卷及参考答案
2021年明德实验学校高三英语三模试卷及参考答案第一部分阅读（共两节，满分40分）第一节（共15小题；每小题2分，满分30分）阅读下列短文，从每题所给的A、B、C、D四个选项中选出最佳选项AThe question of whether our government should promote science and technology or the liberal arts in higher education isn’t an either / or one, although the current emphasis on preparing young Americans for STEM (science, technology, engineering, maths)-related fields can make it seem that way.The latest congressional report acknowledges the critical importance of technical training, but also insists that the study of the humanities and social sciences must remain central elements of America’s educational system at all levels. Both areas are the key to producing citizens who can participate effectively in our democratic society, become innovative leaders, and benefit from the spiritual enrichment that the reflection on the great ideas of mankind over time provides.Parents and students who have invested heavily in higher education worry about graduates’ job prospects as technological advances and changes in domestic and global markets transform professions in ways that reduce wages and cut jobs. Under these circumstances, it’s natural to look for what may appear to be the most “practical” way out of the problem; “major in a subject designed to get you a job” seems the obvious answer to some, though this ignores the fact that many disciplines in the humanities characterized as “soft” often, in fact, lead to employment and success in the long run. Indeed, according to surveys, employers have expressed a preference for students who have received a broadly-based education that has taught them to write well, think critically, research creatively, and communicate easily.Moreover, students should be prepared not just for their first job, but for their 4th and 5th jobs, as there’s little reason to doubt that people entering the workforce today will be called upon to play many different roles over the course of their careers. The ones who will do the best in this new environment will be those whose educations have prepared them to be flexible. The ability to take advantage of every available tool and insight—picked up from science, arts, and technology—to solve the problems of the future, and seize the opportunities, will be helpful to them and the nation.1. What does the latest congressional report suggest?A. STEM-related subjects help students find jobs in the information society.B. The humanities and STEM subjects should be given equal importance.C. The liberal arts in higher education help enrich students’ spiritual life.D. Higher education should be adjusted to the practical needs of society.2. What is the main concern of students when they choose a major?A. Their interest in relevant subjects.B. The academic value of the courses.C. The quality of education to receive.D. Their chances of getting a good job.3. What does the author say about the so called “soft” subjects?A. They benefit students in their future life.B. They broaden students’ range of interests.C. They just improve students’ communication skills.D. They are essential to students’ healthy growth.BWhen Jennifer Doudna was in sixth grade, she came home one day to find that her dad had lefta book titled The Double Helix on her bed. She put it aside, thinking it was one of those detective tales she loved.On a rainy Saturday, she picked up the book. As she sped through the pages, she became fascinated by the drama, which encouraged her to explore nature's wonders. Even though her high school teacher told her that girls didn't become scientists, she decided she would.She worked with a biologist, Charpentier, to turn a curiosity of nature into an invention—an easy-to-use tool that can edit DNA. Known as Crispr, the tool will transform the human race. James Watson, the author of The Double Helix, later told her it was the most important biological advance: since he and Francis Crick discovered the structure of DNA.For this achievement, Doudna and Charpentier were awarded the Nobel Prize in Chemistry in 2020. Until now, only five women, beginning with Marie Curie in 1911, had won or shared the Nobel for Chemistry out of 184 award winners. When this year's prize was announced, Dr. Charpentier said it would provide a message specifically to young girls who would like to follow the path of science and to show them that women can also be awarded prizes.A few decades from now, if it becomes possible and sate to edit DNA, should we allow parents to improve the IQ and physical strength of their kids? Should we let them decide eye color1 ? Skin color1 ? Height? After helping to discover Crispr, Dr. Doudna has become a leader in considering these moral issues. That's the main message we should take from this Nobel: New technologies can be a huge benefit to the human race, but in order to make sure they are used wisely, it's important for people to understand them.4. Jennifer Doudna decided to become a scientist because,__________A. her father pushed herB. a book inspired herC. her teacher encouraged herD. James Watson motivated her5. Dr. Doudna was awarded the Nobel Prize because,__________.A. she wrote the book “The Double Helix"B. she discovered the structure of DNAC. she is a hardworking woman scientistD. she helped invent a tool for editing DNA6. According to passage, which of the following is NOT true?A. The two women's success will inspire more girls to be devoted to science.B. Since 1911, there have been 184 people who won the Nobel for chemistry.C. If girls follow the path of science, they will surely achieve their goals.D. Crispr will make a big difference to the human race.7. Which words can best describe Jennifer Doudna?A. Determined and responsible.B. Ambitious and humorous.C. Cruel and indifferent.D. Fearless and stubborn.CScientists say baby sharks are at risk of being born smaller and without the energy they need to survive because of warming oceans from climate change.Scientists studied epaulette sharks, which live off Australia and New Guinea. They found that warmer conditions sped up the sharks’ growing process. That meant the sharks were born earlier and very tired. The findings could be used in the study of other sharks, including those that give birth to live young.The scientists studied 27 sharks. Some were raised in average summer water temperatures, about 27 degrees Celsius. Others were raised in higher temperatures around 29 degrees Celsius and 31 degrees Celsius. They found that the sharks raised in the warmest temperatures weighed much less than those raised in average temperatures. They also showed reduced energy levels.Epaulette sharks can grow to a length of about one meter. Their name comes from large spots on their bodies that look like decorations on some military clothing.One study this year found that worldwide numbers of oceanie sharks and rays dropped more than 70 percent between 1970 and 2018. Overfishing is a main concern, while climate change and pollution also threaten shark.Carolyn Wheeler is a doctoral student at the University of Massachusetts Boston and with the ARC Centre of Excellence for Coral Reef Studies at James Cook University in Australia. She was the lead author of the epaulette shark study. She said that while all the sharks survived, those raised in warmer temperatures were not strongenough to survive for long in the wild.She added that if the sharks are born smaller than usual “they are probably going to have to start looking for food sooner—and they’re going to have less time to adjust to their surroundings.” The study should serve as a warning to ocean governing agencies that careful management is needed to prevent the loss of more sharks.8. In what aspect do the warmer conditions affect the baby sharks?A. Their food.B. Their body weight.C. Their living habits.D. Their moving route.9. How did the scientists carry out their study?A. By studying former data.B. By tracking sharks in the wild.C. By collecting information about climate change.D. By comparing sharks in waters of different temperatures10. What does paragraph 5 mainly talk about?A. The origin of sharks’ names.B. The sharks’ appearance.C. The threats to sharks’ survival.D. The sharks’ living environment.11. Which of the following can be the best title for the text?A. Scientists Raise Sharks to Deal with ProblemsB. Global Warming Has Reduced Shark PopulationsC. Baby Sharks Struggle to Survive in Warming OceansD. Scientists Are Struggling to Save Sharks from ExtinctionDAfter finishing his dinner, Lin Xu opened a WeChat mini-programcalled "Clear Plate" on his phone and took a picture of the empty plates. He was then awarded 157 credit points after the image was uploaded and recognized by artificial intelligence. The credit points can be used to buy gifts, such as books, cellphones and red wine, or to purchase charity meals donated to children in poor rural areas.The "Clear Plate" mini-program has become popular among young Chinese. Similar campaigns like an "empty plate challenge" are alsoon the horizonin many Chinese universities."Technological innovation is a good way to reduce food waste," said Liu Jichen. Founder of the start-up that developed the app. The idea popped up at a dinner in 2017, when Liu found that the restaurant owner would give diners who polished off their food a card and offer small gifts after a certain number of cards had been collected."Everyone who values food is bound to enjoy a sense of gain at a lower cost," Liu mentioned this case, noting that such an idea could potentially be realized online.He formeda team to work on the project. Yet it was quite a challenge for the AI system to assess whether the uploaded photos showed empty plates. To make the AI system smarter，Liu and his team, assisted by more than 1, 000 others, spent half a year collecting over100,000 samples from canteens and restaurants across the country and analyzed the data. Dozens of enterprises, institutions and restaurants have contacted the start-up to cooperate on the project. Through the digitalized, visualized mini-program, people can clearly see the good results of saving food, which will effectively reduce food waste. "We hope our efforts can start a new trend among the younger generation, encouraging them to develop the habit of thrift(节约)," Liu said.12. What does the underlined phrase "on the horizon" in paragraph 2 mean?A. Likely to decrease.B. Likely to succeed.C. Likely to change.D. Likely to appear.13. What caused Liu Jichen to develop the "Clear Plate" app?A. Food waste afterdinner.B. The idea of the restaurant owner.C. Small gifts sent by his friends.D. Charity meals donated to children.14. What was difficult for the project Liu's team worked on?A. Making the AI system smarter.B. Assessing the uploaded photos.C. Collecting samples from canteens and restaurants.D. Encouraging people to develop the habit of thrift.15. What is the text mainly about?A. AI programs becoming popular.B. AI programs appearing in many Chinese universities.C. AI programs encouraging diners toclear their plates.D. AI programs collecting pictures of clearing diners' plates.第二节（共5小题；每小题2分，满分10分）阅读下面短文，从短文后的选项中选出可以填入空白处的最佳选项。
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华南师大附中高三考前热身理科综合本试卷共12页，36小题，满分300分．考试用时150分钟。
注意事项：1．答卷前，请务必用黑色字迹的钢笔或签字笔将自己的班级、姓名和考号填写在答题卡和答卷上．2．选择题在选出答案后，用2B铅笔把答题卡上对应题目选项的答案涂黑，如需改动，用橡皮擦干净后，再选涂其他答案，答案不能答在试卷上。
3．非选择题必须用黑色字迹钢笔或签字笔作答，答案必须写在答卷各题目指定区域内相应位置上；如需改动，先划掉原来的答案．再写上新答案；不准使用铅笔和涂改液．不按要求作答的答案无效。
可能用到的相对原子质量：H-1．C-12 O-16 Na-23一、单项选择题：本大题共16小题，每小题4分，共64分。
在每小题给出的四个选项中，只有一个选项符合题目要求，选对的得4分，选错或不答的得0分；1．蛋白质与DNA是细胞内重要的化合物，以下描述正确的是A．合成的场所均含有磷脂分子B．均参与叶绿体、线粒体、核糖体等细胞器的活动C．DNA通过复制、转录、翻译来控制蛋白质的合成D．只有蛋白质和DNA也可构成生物2．下列有关细胞生命历程的叙述，正确的是A．细胞凋亡对于维持人体内部环境的稳定有重要作用B．胡萝卜叶肉细胞脱分化形成愈伤组织后不具全能性C．有丝分裂过程中，细胞不会发生染色体数目的改变D．减数分裂过程中，细胞中的遗传物质平均分配至子细胞3．PM2.5是指大气中直径小于或等于2.5微米的颗粒物，富含大量的有毒、有害物质，很容易入人肺进入血液。
PM2.5今年成为广东空气污染指数重要标准．下列推测不合理的是A．颗粒物如有硅尘入肺可能会破坏吞噬细胞的溶酶体膜，释放水解酶破坏细胞结构B．过敏病人在PM2.5超标的空气中会发病，是因为该颗粒中有相关的过敏原C．PM2.5含量升高主要是人类活动的影响D．PM2.5的颗粒中的一些酸性物质进入人体血液会导致其pH成酸性4．小宁和小静为同卵双胞胎，下列说法不正确的是A．自然条件下同卵双胞胳和人工胚胎分割技术产生的结果类似B. 小宁患某种常染色体显性遗传病，小静正常，则可能是小宁胚胎发生了基因突变C．小宁和小静在表现型上的差异主要是由基用重组导致的．D．若二人母亲为伴X显性遗传病患者，在其怀孕期间最好对胎儿进行基因检测5．小李在野外被蛇咬伤，下列说法正确的是A．见到蛇时身体紧张发热，主要是甲状腺激素起作用B.见到蛇后躲避属于条件反射C．小李整个反应过程涉及的神经中枢为大脑皮层D．倘若是毒蛇，则需要立刻注射相应蛇毒疫苗6．下列生物技术或方法中，不．正确的是A．果酒、腐乳制作过程中利用的都是分泌到细胞外的胞外酶B. 制备固定化酶的方法主要有包埋法，交联法和吸附法C．研究光合作用过程中碳元素的传递，可采用14C标记示踪D．荧光染料标记小鼠细胞表面的蛋白质研究细胞膜的流动性7．下列说法正确的是A．1 mol葡萄糖水解能生成2mol CH3CH2OH和2mol CO2B．在鸡蛋清溶液中分别加入饱和Na2SO4、CuSO4溶液，都会因盐析产生沉淀C．油脂不是高分子化合物，1 mol油脂完全水解生成1 mol甘油和3 mol高级脂肪酸D．欲检验蔗糖水解产物是否具有还原性，可向水解后的溶液中直接加入新制的Cu(OH)2并加热8．设N A表示阿伏加德罗常数的值，下列叙述中正确的是A．pH=2的盐酸溶液中含有的阳离子数为0.02N AB.100g 98%的浓硫酸中含氧原子个数为4N AC．标准状况下，22.4LCHCl3所含有的分子数目为N AD.常温常压下，14g乙烯和环丙烷的混合物中，含有碳原子的数目为N A9．短周期元素Q、R、T、W在元素周期表中的位置如右图所示，其中T所处的周期序数与主族序数相等，下列推断正确的是A．T的氧化物是光导纤维的主要成分B．Q与氢形成的化合物均含极性共价键C. R的最高正价氧化物的水化物是弱电解质D. W的氢化物的化学式为HCl10.研究人员研制出一种锂水电池，可作为鱼雷和潜艇的储备电源.该电池以金属锂和钢板为电极材料，以LiOH为电解质．使用时加入水即可放电。
关于该电池的下列说法不正确的是A．水既是氧化剂又是溶剂 B．放电时正极上有氢气生成C．放电时Li+向负极移动 D.总反应为：2Li+2H2O==2LiOH+H2↑11.下列说法或表示方法正确的是A.等物质的量的硫蒸气和硫固体分别完全燃烧，后者放出热量多B．由H+(aq) +OH- (aq)==H2O (I) △H=-57.3 kJ/mol可知，若将含1 mol CH3COOH的稀溶液与含1 mol NaOH的稀溶液混合，放出的热量小于57.3kJC．由C（石墨）==C（金刚石）△H=-1.90 kJ/mol可知，金刚石比石墨稳定D.已知在298K时下述反应的有关数据：C(s)+1/2 O2(g)==CO(g)，△H1=-110.5kJ/mol；C（s）+O2(g)==CO2(g)，△H2=-393.5kJ/Mol．则C(s)+CO2(g)==2CO(g)的△H=+283.5kJ/mol12．下列实验过程中产生的现象与对应的图形符合的是13.如图所示，绝热的活塞把一定质量的理想气体密封在水平放置的绝热气缸内，活塞可在气缸内无摩擦地滑动，气缸处在大气中。
气缸左端的电热丝通弱电流对气缸内气体缓慢加热，在此过程中A ．活塞始终静止不动B ．汽缸内气体对外做功C ．汽缸内气体压强增大D ．汽缸内气体内能不变14.设r 0为两个分子间分子引力和斥力平衡的距离，r 为两个分子的实际距离，选取无穷远处为零势面，则以下说法正确的是A ．r=r 0时，分子间的引力和斥力都为零B ．r 0<r<2r 0时，分子间只有引力而无斥力C ．当r 由大于2r 0逐渐减小到等手r 0的过程中，分子间的引力势能始终小于零D ．当r 由小于r 0逐渐增大到大于2r 0的过程中，分子间的引力势能先增大后减小15．如图所示，木块A 质量为1kg ，木块B 的质量为2kg ．叠放在水平地面上，AB 间最大静摩擦力为1N,B与地面间摩擦系数μ=0.1，重力加速度g =10m/s 2。
现用水平力F 作用于B ，则保持AB 相对静止的条件是F 不超过A ．6NB ．5NC ．4ND ．3N16．铁路上常使用如图所示的电磁装置向控制中心传输信号，以报告火车的位置。
火车首节车厢下面安装一磁铁，磁铁产生垂直于地面的匀强磁场。
当磁铁经过安放在两铁轨间的线圈时，会使线圈产生电脉冲信号并被控制中心接收。
若火车以恒定加速度通过线圈，则表示线圈两端的电压u 与时间t 的关系图线可能正确的是二、双项选择题：本大题共9小题，每小题6分，共54分。
在每小题给出的四个选项中，有两个选项符合题目要求，全选对的得6分，只选1个且正确的得3分，有选错或不答的得0分。
17．下列说法正确的是A. 汤姆生通过对阴极射线的研究发现电子B ．卢瑟福通过α粒子散射实验，提出了氢原子的能级结构C ．原子核的平均结合能越大，原子核越稳定D.在X C H N +→+12611157核反应方程中，X 是中子18.在同一水平直线上的两位置分别沿同水平方向抛出两小球A 和B,A 、B 两球先后经过空中的P 点，它们的运动轨迹如右图所示。
不计空气阻力，下列说法中正确的是A.在P 点，A 球的速度大子B 球的速度B ．在P 点，A 球的加速度大于B 球的加速度C ．抛出时，A 球速度小于B 球速度D．抛出时，先抛出A球后抛出B球19.在地球上发射同步卫星，卫星先在近地轨道Ⅰ绕地球运动，再运行至转移轨道Ⅱ，最后运行至同步轨道Ⅲ，以下说法正确的是A．卫星在Ⅰ轨道Q处的速率大于Ⅲ轨道P处的速率B．可借助该同步卫星拍摄南极上方的气象情况C．卫星在转移过程中，发动机需要两次点火加速D．卫星从轨道Ⅰ向轨道Ⅲ转移，周期增大，机械能减少20.如图甲所示是远距离输电的示意图，升压变压器和降压变压器郡是理想变压器，升压变压器输入正弦交流电压如图乙所示，以下说法正确的是A．降压变压器输入回路的电流大于输出回路的电流B．升压变压器输入电压的表达式是u1=500sin100πtVC．若将图乙的正弦交流电直接接在100Ω的电阻上，热功率为2500WD．用户越多，电路输送的电功率也越大，输电线路的电阻r产生热量越多21.真空中相距为3a的两个点电荷M、N,分别固定于x轴上x1=0和x2=3a的两点上，在它们连线上各点场强E随x变化关系如图所示(设场强方向沿x轴正向时E> 0)．以下判断正确的是A．x=2a处的电势一定为零B.在两点电荷之间沿x轴正向是电势减低的方向C.点电荷M、N一定为同种电荷D．点电荷M、N所带电荷量的绝对值之比为4:122．用下列实验装置进行的实验中，能达到相应实验目的的是A．装置甲：减缓铁钉生锈． B．装置乙：可制得金属锰C．装置丙：实验室制取乙酸乙酯 D．装置丁；用氯气进行喷泉实验23．下列各溶液中，微粒的物质的量浓度关系正确的是A. 0.1 mol.L-1 Na2CO3溶液．c(Na-)==2c(HCO3- )+2c(CO32-)+2c(H2CO3)B.0.1mol.L-1 NH4Cl溶液：c(NH4+)==c(Cl-)C.向醋酸钠溶液中加入适量醋酸，得到的酸性混合溶液；c（Na+）>c(CH3COO-)>c(H+)>c(OH-)D．常温下，将pH=2的盐酸和pH=12的氨水等体积混合后；c(NH4+)>c(Cl-)>c(OH-)>c(H+)24.右图表示各种概念之间的关系，下列选项与图示相符的是A.①基因突变．②突变，③可遗传的变异B．①维生素D，②固醇，③脂质C．①食物链和食物网，②物质循环，③生态系统的功能D．①DNA连接酶，②酶，③蛋白质25．下列关于现代生物科技的描述正确的是A. DNA分子杂交技术可检测目的基因是否翻译成蛋白质B．单倍体育种需进行植物组织培养C．快速大量繁殖优质奶羊时，需对供、受体母羊进行周期发情处理D.新型农业生态系统的建立，提高了各营养级间的能量传递效率三、非选择题；本大题共11小题，共182分。
按题目要求作答。
解答题应写出必要的文字说明、方程式和重要演算步骤，只写出最后答案的不能得分。
有数值计算的题，答案中必须明确写出数值和单位。
26.（16分）细胞代谢是生物体进行各项生命活动的基础。
图甲为某植物细胞内有关代谢示意图，图乙为人体某组织细胞物质代谢示意图，其中A，B、C代表细胞结构，①、②、③、④代表物质。
(1)图甲细胞与根尖分生区细胞结构不同的是_________。
若人体处于饥饿状态，图乙细胞多糖到葡萄糖分解过程会加强．则该细胞为____________。
(2)图甲所示细胞可作为哪些生物实验的理想材料？________图乙中红细胞可作为哪些生物实验的理想材料？__________A.观察DNA、RNA在细胞中的分布 B．血红蛋白的提取和分离C．制备细胞膜 D.观察叶绿体E．观察线粒体 F．观察细胞的有丝分裂(3)物质④的名称是____ ，它是细胞代谢重要的中间产物。