2021浦东新区初三一模含答案

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2021届浦东新区中考化学一模精装带答案

2021届浦东新区中考化学一模精装带答案

化学部分六、单项选择题(共20分)试剂标签错误的是FeCL■ *■KOHL --- J三氧化二铋(Bi2O3)用于制作防火纸,其中铋(Bi)元素的化合价为A. +1B.+2化学符号“ 2H”示A.二个氢原子B.二个氢元素最接近中性的洗涤剂是A.洁厕剂:pH=1.0C.洗衣液:pH=10.5在氧气中燃烧发出明亮蓝紫色火焰的是A.硫粉B.镁带粗盐提纯”实验不需要的仪器是书写正确的化学方程式是27.28.29.30.31.32.33.34.35.36.37.38.可能用到的相对原子质量:0-16 S-32K-39 Fe-56 Cu-64 “ Na的兀素名称是A.钠B.氮属于纯净物的是A.蒸馏水B.自来水属于氧化物的是A. 02B. H2SO4我国古代技术中属于物理变化的是A.粮食酿酒B.棉纱织布放入水中能形成溶液的食品是A.淀粉B.辣酱C.食盐水C. SO2C.烧制陶器C.香油D.纳D.矿泉水D. CaCO3D.冶炼金属D.蔗糖C.+3D. +4C. 二个氢分子D.氢气B. 洗发露:pH=7.6D. 漂白液:pH=13.4C. 木炭D.红磷MnO 2A. H 2O 2H 2f +OfMnO 2B. H 2O 2H 2O+O 2TC. 2H 2O 2 MnO ?2H 2O+O 2 D. 2H 2O 2 MnO 2 2H 2O+O 2T 39. 物质的用途由其化学性质决定的是 A.干冰一一人工降雨 C.石墨 制铅芯笔 40. 酒精灯的使用方法正确的是 A.酒精灯内装满酒精 C.拨送灯芯调大火焰 B.氦气一一制霓虹灯 D.生石灰 ------ 作干燥剂 B.用嘴吹灭酒精灯 D.用内焰加热试管 41.用锂(Li )储氢的原理是: ①2Li+H 2^ 2LiH ②LiH+H 2S LiOH+R ,其中 R 的化学式是 D. Li 2OA. O 2B. H 2 42. 对水结冰”的认识正确的是 A.水分子变大C.水分子停止运动 43. 有关右图试剂的描述正确的是 A.溶质为胆矶 C. CuSO 4的摩尔质量为160 44. 归类不正确的一组是 C. H 2O 2 B.质量变大D. 体积变大B.溶液呈蓝色D.溶质与溶剂的质量比是1:20A H 2 CO CO 2都难溶于水 B H 2CO 3 KNO 3 Ca(OH )2都含有原子团C C 60石墨金刚石 都是碳的同素异形体D O 2 O 3 空气 都含有游离态氧元素 45. 1g 氧分子与1g 氧原子具有不同的 A.质量 B.物质的量 C.氧元素质量 D.氧原子个数 46.右图是甲、乙两种固体(不含结晶水)的溶解度曲线。

2020-2021学年上海市浦东新区中考一模语文试题(有答案)

2020-2021学年上海市浦东新区中考一模语文试题(有答案)

第一学期初三质量调研语文试卷(满分:150分完成时间:100分钟,在答题纸上完成)一、文言文(40分)(一)默写(15分)1、向来枉费推移力,。

(《观书有感(其二)》)2、,尘暗旧貂裘。

(《诉衷情》)3、了却君王天下事,。

(《破阵子·为陈同甫赋壮词以寄》)4、,弛担持刀。

(《狼》)5、山水之乐,。

(《醉翁亭记》)(二)阅读下面宋词,完成第6-7题。

(4分)江城子·密州出猎老夫聊发少年狂,左牵黄,右擎苍,锦帽貂裘,千骑卷平冈。

为报倾城随太守,亲射虎,看孙郎。

酒酣胸胆尚开张。

鬓微霜,又何妨!持节云中,何日遣冯唐?会挽雕弓如满月,西北望,射天狼。

6、“霜”在词中的意思是(2分)7、以下理解有误的一项是()(2分)A、“狂”在这里不是狂妄、疯狂,而是有“激情”“豪情壮志”的意味。

B、作者在云中以孙权、魏尚自比,希望能重新得到朝廷的信任和重用。

C、“酒酣胸胆尚开张”表明词人在尽情畅饮之后胸襟开阔,更显豪情。

D、词中描写了出猎情景,抒发了作者为国效力、抗击侵略的豪迈气概。

(三)阅读下文,完成第8-10题(9分)岳阳楼记(1)若夫淫雨霏霏,连月不开,阴风怒号,浊浪排空;日星隐曜,山岳潜形;商旅不行,樯倾楫摧;薄暮冥冥,虎啸猿啼。

登斯楼也,则有去国怀乡,忧谗畏讥,满目萧然,感极而悲者矣。

(2)至若春和景明,波澜不惊,上下天光,一碧万顷;沙鸥翔集,锦鳞游泳;岸芷汀兰,郁郁青青。

而或长烟一空,皓月千里,浮光跃金,静影沉璧,渔歌互答,此乐何极!登斯楼也,则有心旷神怡,宠辱偕忘,把酒临风,其喜洋洋者矣。

(3)嗟夫!予尝求古仁人之心,或异二者之为,何哉?不以物喜,不以己悲;居庙堂之高则忧其民;处江湖之远则忧其君。

是进亦忧,退亦忧。

然则何时而乐耶?其必曰“先天下之忧而忧,后天下之乐而乐”乎。

噫!微斯人,吾谁与归?8、选文作者是(朝代)的。

(2分)9、选文①、②段凑够听觉角度描写的句子分别是、。

(3分)10、“或异二者之为”中“异”的内涵是(4分)(四)阅读下文,完成11-13题(12分)明帝在西堂会.诸公饮酒,未大醉,帝问:“今名臣共集,何如尧、舜时?”周伯仁为.仆射①,因厉声曰:“今虽同人主,复那得等于圣治!”帝大怒,还内,作手诏满一黄纸,遂付廷尉②令收,因欲杀之。

2021年浦东新区一模考试试卷

2021年浦东新区一模考试试卷

2021 学年度第一学期浦东新区初三质量调研Part 2 Vocabulary and Grammar (第二部分词汇和语法)II.Choose the best answer (选择最恰当的答案):(共20分)31.As we all know, cormorant fishing is more than thousand years old.A)an B)a C)/ D) the32.The Greeks have taken everything with except for a wooden horse.A)theirs B) their C) themselves D) them33.Pansy hasn't got the answers Ken's questions.A)by B)to C)for D) with34.You've got so many books. Could you please lend me to read?A)anything B) any C) something D) some35.Jack Mike can go to the meeting because one of them must stay in the classroom.A)Not only... but also B) Neither... nor C) Both... and D) Either... or36.T he class teacher made a speech at the parents' meeting yesterday.A)wonder B) wonderful C) wonderfully D) wondered37.John realized the danger and he decided immediately_ to do next.A)how B) what C) when D) where38.The red bus goes the blue car, so Jack will go to work in the blue car.A)much slowly than B) so slowly asC) even more slowly than D) much more slowlier39.Too much homework makes the students every weekend.A) to study B) study C) studied D) studying40.We won't be able to catch the bus we hurry up.A)if B)and C)then D) unless41.—Shall we go to the station to meet our cousins?— I'm afraid you . They will take a taxi by themselves.A)should B) can C) must D) needn't42.The girl in red looks as as the pop singer.A)beautifully B) nicely C) lovely D) sweetly43.A detective's job is to protect the innocent find the guilty.A)as well B) but C) so well as D) as well as44.The two boys were walking along the river they heard a shout for help.A)although B) since C) when D) as45.At first the student denied video games in class.A)play B) to play C) playing D) play46.They_ in Beijing for the meeting for another three days.A)have stayed B) stayed C) are staying D) will stay47.This evening, Mrs Black plans to collect information about her subject.A)quite a few B) huge amounts of C) a number of D) quite many48.amazing news it is to learn the Korean star will come to Shanghai!A)How B) What a C) What an D)What49.— If you are in trouble, make sure to call the police.A) I'm happy to hear that. B) I don't know.C) I will. Thanks a lot. D) I have to think about it.50.— Mum, I'm going to take part in an English reading contest tomorrow.A)Congratulations B) That's right C) Good luck D) Work hardplete the following passage with the words or phrases in the box. Each word or phrase can only be used once (将下列单词或词组填入空格。

上海市浦东新区名校2021-2022学年中考一模数学试题含解析

上海市浦东新区名校2021-2022学年中考一模数学试题含解析

上海市浦东新区名校2021-2022学年中考一模数学试题考生请注意:1.答题前请将考场、试室号、座位号、考生号、姓名写在试卷密封线内,不得在试卷上作任何标记。

2.第一部分选择题每小题选出答案后,需将答案写在试卷指定的括号内,第二部分非选择题答案写在试卷题目指定的位置上。

3.考生必须保证答题卡的整洁。

考试结束后,请将本试卷和答题卡一并交回。

一、选择题(每小题只有一个正确答案,每小题3分,满分30分)1.在0.3,﹣3,0,﹣3这四个数中,最大的是( )A .0.3B .﹣3C .0D .﹣32.已知关于x 的方程x 2+3x +a =0有一个根为﹣2,则另一个根为( )A .5B .﹣1C .2D .﹣53.不等式组312840x x ->⎧⎨-≤⎩的解集在数轴上表示为( ) A . B . C . D .4.如图,将Rt ABC △绕直角顶点C 顺时针旋转90,得到A B C '',连接'A A ,若120︒∠=,则B 的度数是( )A .70︒B .65︒C .60︒D .55︒5.如图,已知点 P 是双曲线 y =2x上的一个动点,连结 OP ,若将线段OP 绕点 O 逆时针旋转 90°得到线段 OQ ,则经过点 Q 的双曲线的表达式为( )A .y = 3xB .y =﹣ 13xC .y = 13xD .y =﹣3x6.下列说法正确的是( )A .2a 2b 与–2b 2a 的和为0B .223a b π的系数是23,次数是4次C .2x 2y –3y 2–1是3次3项式D .3x 2y 3与–3213x y 是同类项 7.若关于x 的一元二次方程ax 2+2x ﹣5=0的两根中有且仅有一根在0和1之间(不含0和1),则a 的取值范围是( )A .a <3B .a >3C .a <﹣3D .a >﹣38.将一把直尺与一块三角板如图所示放置,若140∠=︒则∠2的度数为( )A .50°B .110°C .130°D .150°9.在银行存款准备金不变的情况下,银行的可贷款总量与存款准备金率成反比例关系.当存款准备金率为7.5%时,某银行可贷款总量为400亿元,如果存款准备金率上调到8%时,该银行可贷款总量将减少多少亿( ) A .20 B .25 C .30 D .3510.如图,已知直线//AB CD ,点E ,F 分别在AB 、CD 上,:3:4CFE EFB ∠∠=,如果∠B =40°,那么BEF ∠=( )A .20°B .40°C .60°D .80°二、填空题(共7小题,每小题3分,满分21分)11.如图,O 是坐标原点,菱形OABC 的顶点A 的坐标为(﹣3,﹣4),顶点C 在x 轴的负半轴上,函数y =k x(x <0)的图象经过菱形OABC 中心E 点,则k 的值为_____.12.如图,在⊙O 中,点B 为半径OA 上一点,且OA =13,AB =1,若CD 是一条过点B 的动弦,则弦CD 的最小值为_____.13.如图,在平面直角坐标系xOy中,△ABC的顶点A、C在坐标轴上,点B的坐标是(2,2).将△ABC沿x轴向左平移得到△A1B1C1,点1B落在函数y=-6x.如果此时四边形11AAC C的面积等于552,那么点1C的坐标是________.14.如图,将边长为1的正方形的四条边分别向外延长一倍,得到第二个正方形,将第二个正方形的四条边分别向外延长一倍得到第三个正方形,…,则第2018个正方形的面积为_____.15.我们知道方程组345456x yx y+=⎧⎨+=⎩的解是12xy=-⎧⎨=⎩,现给出另一个方程组3(23)4(2)54(23)5(2)6x yx y++-=⎧⎨++-=⎩,它的解是____.16.小红沿坡比为1:3的斜坡上走了100米,则她实际上升了_____米.17.抛物线y=x2﹣2x+m与x轴只有一个交点,则m的值为_____.三、解答题(共7小题,满分69分)18.(10分)某公司销售A,B两种品牌的教学设备,这两种教学设备的进价和售价如表所示A B进价(万元/套) 1.5 1.2售价(万元/套) 1.8 1.4该公司计划购进两种教学设备若干套,共需66万元,全部销售后可获毛利润12万元.(1)该公司计划购进A,B两种品牌的教学设备各多少套?(2)通过市场调研,该公司决定在原计划的基础上,减少A种设备的购进数量,增加B种设备的购进数量,已知B 种设备增加的数量是A种设备减少的数量的1.5倍.若用于购进这两种教学设备的总资金不超过68万元,问A种设备购进数量至多减少多少套?19.(5分)解方程21=122xx x---20.(8分)如图,在平面直角坐标系xOy中,一次函数y=kx+b的图象与反比例函数y=6x的图象相交于点A(m,3)、B(–6,n),与x轴交于点C.(1)求一次函数y=kx+b的关系式;(2)结合图象,直接写出满足kx+b>6x的x的取值范围;(3)若点P在x轴上,且S△ACP=32BOCS△,求点P的坐标.21.(10分)下面是小星同学设计的“过直线外一点作已知直线的平行线”的尺规作图过程:已知:如图,直线l和直线l外一点A求作:直线AP,使得AP∥l作法:如图①在直线l上任取一点B(AB与l不垂直),以点A为圆心,AB为半径作圆,与直线l交于点C.②连接AC,AB,延长BA到点D;③作∠DAC的平分线AP.所以直线AP就是所求作的直线根据小星同学设计的尺规作图过程,使用直尺和圆规,补全图形(保留作图痕迹)完成下面的证明证明:∵AB=AC,∴∠ABC=∠ACB(填推理的依据)∵∠DAC是△ABC的外角,∴∠DAC=∠ABC+∠ACB(填推理的依据)∴∠DAC=2∠ABC∵AP平分∠DAC,∴∠DAC=2∠DAP∴∠DAP=∠ABC∴AP∥l(填推理的依据)22.(10分)如图,在△ABC中,D为BC边上一点,AC=DC,E为AB边的中点,(1)尺规作图:作∠C的平分线CF,交AD于点F(保留作图痕迹,不写作法);(2)连接EF,若BD=4,求EF的长.23.(12分)如图,△ABC内接于⊙O,且AB为⊙O的直径,OD⊥AB,与AC交于点E,与过点C的⊙O的切线交于点D.若AC=4,BC=2,求OE的长.试判断∠A与∠CDE的数量关系,并说明理由.24.(14分)如图,AB为⊙O直径,C为⊙O上一点,点D是BC的中点,DE⊥AC于E,DF⊥AB于F.(1)判断DE与⊙O的位置关系,并证明你的结论;(2)若OF=4,求AC的长度.参考答案一、选择题(每小题只有一个正确答案,每小题3分,满分30分)1、A【解析】根据正数大于0,0大于负数,正数大于负数,比较即可【详解】∵-3<30<0.3∴最大为0.3故选A.【点睛】本题考查实数比较大小,解题的关键是正确理解正数大于0,0大于负数,正数大于负数,本题属于基础题型.2、B【解析】根据关于x的方程x2+3x+a=0有一个根为-2,可以设出另一个根,然后根据根与系数的关系可以求得另一个根的值,本题得以解决.【详解】∵关于x的方程x2+3x+a=0有一个根为-2,设另一个根为m,∴-2+m=−31,解得,m=-1,故选B .3、A【解析】分别求得不等式组中两个不等式的解集,再确定不等式组的解集,表示在数轴上即可.【详解】312840x x ->⎧⎨-≤⎩①② 解不等式①得,x>1;解不等式②得,x>2;∴不等式组的解集为:x≥2,在数轴上表示为:故选A.【点睛】本题考查了一元一次不等式组的解法,正确求得不等式组中每个不等式的解集是解决问题的关键.4、B【解析】根据旋转的性质可得AC =A′C ,然后判断出△ACA′是等腰直角三角形,根据等腰直角三角形的性质可得∠CAA′=45°,再根据三角形的一个外角等于与它不相邻的两个内角的和求出∠A′B′C ,最后根据旋转的性质可得∠B =∠A′B′C .【详解】解:∵Rt △ABC 绕直角顶点C 顺时针旋转90°得到△A′B′C ,∴AC =A′C ,∴△ACA′是等腰直角三角形,∴∠CAA′=45°,∴∠A′B′C =∠1+∠CAA′=20°+45°=65°,∴∠B =∠A′B′C =65°.故选B .【点睛】本题考查了旋转的性质,等腰直角三角形的判定与性质,三角形的一个外角等于与它不相邻的两个内角的和的性质,熟记各性质并准确识图是解题的关键.5、D【解析】过P ,Q 分别作PM ⊥x 轴,QN ⊥x 轴,利用AAS 得到两三角形全等,由全等三角形对应边相等及反比例函数k 的几何意义确定出所求即可.【详解】过P ,Q 分别作PM ⊥x 轴,QN ⊥x 轴,∵∠POQ=90°,∴∠QON+∠POM=90°,∵∠QON+∠OQN=90°,∴∠POM=∠OQN ,由旋转可得OP=OQ ,在△QON 和△OPM 中,90QNO OMP OQN POMOQ OP ====∠∠︒⎧⎪∠∠⎨⎪⎩, ∴△QON ≌△OPM (AAS ),∴ON=PM ,QN=OM ,设P (a ,b ),则有Q (-b ,a ),由点P 在y=3x上,得到ab=3,可得-ab=-3, 则点Q 在y=-3x 上. 故选D .【点睛】此题考查了待定系数法求反比例函数解析式,反比例函数图象上点的坐标特征,以及坐标与图形变化,熟练掌握待定系数法是解本题的关键.6、C【解析】根据多项式的项数和次数及单项式的系数和次数、同类项的定义逐一判断可得.【详解】A 、2a 2b 与-2b 2a 不是同类项,不能合并,此选项错误;B 、23πa 2b 的系数是23π,次数是3次,此选项错误; C 、2x 2y-3y 2-1是3次3项式,此选项正确;D 、3x 2y 3与﹣3213x y 相同字母的次数不同,不是同类项,此选项错误; 故选C .【点睛】本题主要考查多项式、单项式、同类项,解题的关键是掌握多项式的项数和次数及单项式的系数和次数、同类项的定义.7、B【解析】试题分析:当x=0时,y=-5;当x=1时,y=a -1,函数与x 轴在0和1之间有一个交点,则a -1>0,解得:a >1.考点:一元二次方程与函数8、C【解析】如图,根据长方形的性质得出EF ∥GH ,推出∠FCD=∠2,代入∠FCD=∠1+∠A 求出即可.【详解】∵EF ∥GH ,∴∠FCD=∠2,∵∠FCD=∠1+∠A ,∠1=40°,∠A=90°,∴∠2=∠FCD=130°,故选C.【点睛】本题考查了平行线的性质,三角形外角的性质等,准确识图是解题的关键.9、B【解析】设可贷款总量为y ,存款准备金率为x ,比例常数为k ,则由题意可得:k y x=,4007.5%30k =⨯=, ∴30y x=, ∴当8%x =时,303758%y ==(亿), ∵400-375=25,∴该行可贷款总量减少了25亿.故选B.10、C【解析】根据平行线的性质,可得CFB ∠的度数,再根据:3:4CFE EFB ∠∠=以及平行线的性质,即可得出BEF ∠的度数.【详解】∵//AB CD ,40ABF ︒∠=,∴180140CFB B ︒︒∠=-∠=,∵:3:4CFE EFB ∠∠=, ∴3607CFE CFB ︒∠=∠=, ∵//AB CD ,∴60BEF CFE ︒∠=∠=,故选C .【点睛】本题主要考查了平行线的性质的运用,解题时注意:两直线平行,同旁内角互补,且内错角相等.二、填空题(共7小题,每小题3分,满分21分)11、8【解析】根据反比例函数的性质结合点的坐标利用勾股定理解答.【详解】解:菱形OABC 的顶点A 的坐标为(-3,-4),5,=则点B 的横坐标为-5-3=-8,点B 的坐标为(-8,-4),点C 的坐标为(-5,0)则点E 的坐标为(-4,-2),将点E 的坐标带入y=k x (x <0)中,得k=8. 给答案为:8.【点睛】此题重点考察学生对反比例函数性质的理解,掌握坐标轴点的求法和菱形性质是解题的关键.12、10【解析】连接OC,当CD⊥OA时CD的值最小,然后根据垂径定理和勾股定理求解即可.【详解】连接OC,当CD⊥OA时CD的值最小,∵OA=13,AB=1,∴OB=13-1=12,∴BC=2213-12=5,∴CD=5×2=10.故答案为10.【点睛】本题考查了垂径定理及勾股定理,垂径定理是:垂直与弦的直径平分这条弦,并且平分这条弦所对的两段弧 .13、(-5,112)【解析】分析:依据点B的坐标是(2,2),BB2∥AA2,可得点B2的纵坐标为2,再根据点B2落在函数y=﹣6x的图象上,即可得到BB2=AA2=5=CC2,依据四边形AA2C2C的面积等于552,可得OC=112,进而得到点C2的坐标是(﹣5,112).详解:如图,∵点B的坐标是(2,2),BB2∥AA2,∴点B2的纵坐标为2.又∵点B2落在函数y=﹣6x的图象上,∴当y=2时,x=﹣3,∴BB2=AA2=5=CC2.又∵四边形AA2C2C的面积等于552,∴AA2×OC=552,∴OC=112,∴点C2的坐标是(﹣5,112).故答案为(﹣5,112).点睛:本题主要考查了反比例函数的综合题的知识,解答本题的关键是熟练掌握反比例函数的性质以及平移的性质.在平面直角坐标系内,把一个图形各个点的横坐标都加上(或减去)一个整数a,相应的新图形就是把原图形向右(或向左)平移a个单位长度.14、1【解析】先分别求出第1个、第2个、第3个正方形的面积,由此总结规律,得到第n个正方形的面积,将n=2018代入即可求出第2018个正方形的面积.【详解】:∵第1个正方形的面积为:1+4××2×1=5=51;第2个正方形的面积为:5+4××2×=25=52;第3个正方形的面积为:25+4××2×=125=53;…∴第n个正方形的面积为:5n;∴第2018个正方形的面积为:1.故答案为1.【点睛】本题考查了规律型:图形的变化类,解题的关键是得到第n个正方形的面积.15、24 xy=-⎧⎨=⎩【解析】观察两个方程组的形式与联系,可得第二个方程组中23122xy+=-⎧⎨-=⎩,解之即可.【详解】解:由题意得23122xy+=-⎧⎨-=⎩,解得24xy=-⎧⎨=⎩.故答案为:24xy=-⎧⎨=⎩.【点睛】本题考查了二元一次方程组的解,用整体代入法解决这种问题比较方便.16、50【解析】根据题意设铅直距离为x ,根据勾股定理求出x 的值,即可得到结果.【详解】解:设铅直距离为x ,根据题意得:222)100x +=,解得:50x =(负值舍去),则她实际上升了50米,故答案为:50【点睛】本题考查了解直角三角形的应用,此题关键是用同一未知数表示出下降高度和水平前进距离.17、1【解析】由抛物线y=x 2-2x+m 与x 轴只有一个交点可知,对应的一元二次方程x 2-2x+m=2,根的判别式△=b 2-4ac=2,由此即可得到关于m 的方程,解方程即可求得m 的值.【详解】解:∵抛物线y=x 2﹣2x+m 与x 轴只有一个交点,∴△=2,∴b 2﹣4ac=22﹣4×1×m=2;∴m=1.故答案为1.【点睛】本题考查了抛物线与x 轴的交点问题,注:①抛物线与x 轴有两个交点,则△>2;②抛物线与x 轴无交点,则△<2;③抛物线与x 轴有一个交点,则△=2.三、解答题(共7小题,满分69分)18、(1)该公司计划购进A 种品牌的教学设备20套,购进B 种品牌的教学设备30套;(2)A 种品牌的教学设备购进数量至多减少1套.【解析】(1)设该公司计划购进A 种品牌的教学设备x 套,购进B 种品牌的教学设备y 套,根据花11万元购进两种设备销售后可获得利润12万元,即可得出关于x 、y 的二元一次方程组,解之即可得出结论;(2)设A 种品牌的教学设备购进数量减少m 套,则B 种品牌的教学设备购进数量增加1.5m 套,根据总价=单价×数量结合用于购进这两种教学设备的总资金不超过18万元,即可得出关于m 的一元一次不等式,解之取其中最大的整数即可得出结论.【详解】解:(1)设该公司计划购进A 种品牌的教学设备x 套,购进B 种品牌的教学设备y 套,根据题意得:()()1.5 1.2661.8 1.5 1.4 1.212x y x y +⎧⎨-+-⎩== 解得:2030x y =⎧⎨=⎩. 答:该公司计划购进A 种品牌的教学设备20套,购进B 种品牌的教学设备30套.(2)设A 种品牌的教学设备购进数量减少m 套,则B 种品牌的教学设备购进数量增加1.5m 套,根据题意得:1.5(20﹣m )+1.2(30+1.5m )≤18,解得:m≤203, ∵m 为整数,∴m≤1.答:A 种品牌的教学设备购进数量至多减少1套.【点睛】本题考查了二元一次方程组的应用以及一元一次不等式的应用,解题的关键是:(1)找准等量关系,正确列出二元一次方程组;(2)根据各数量间的关系,正确列出一元一次不等式.19、x=-1.【解析】解:方程两边同乘x-2,得2x=x-2+1解这个方程,得x= -1检验:x= -1时,x-2≠0∴原方程的解是x= -1首先去掉分母,观察可得最简公分母是(x ﹣2),方程两边乘最简公分母,可以把分式方程转化为整式方程求解,然后解一元一次方程,最后检验即可求解20、(1)122y x =+;(1)-6<x <0或1<x ;(3)(-1,0)或(-6,0) 【解析】(1)利用反比例函数图象上点的坐标特征可求出点A、B的坐标,再利用待定系数法即可求出直线AB的解析式;(1)根据函数图像判断即可;(3)利用一次函数图象上点的坐标特征可求出点C的坐标,设点P的坐标为(x,0),根据三角形的面积公式结合S△ACP=32S△BOC,即可得出|x+4|=1,解之即可得出结论.【详解】(1)∵点A(m,3),B(-6,n)在双曲线y=6x上,∴m=1,n=-1,∴A(1,3),B(-6,-1).将(1,3),B(-6,-1)带入y=kx+b,得:3216k bk b+⎧⎨--+⎩==,解得,122kb==⎧⎪⎨⎪⎩.∴直线的解析式为y=12x+1.(1)由函数图像可知,当kx+b>6x时,-6<x<0或1<x;(3)当y=12x+1=0时,x=-4,∴点C(-4,0).设点P的坐标为(x,0),如图,∵S△ACP=32S△BOC,A(1,3),B(-6,-1),∴12×3|x-(-4)|=32×12×|0-(-4)|×|-1|,即|x+4|=1,解得:x1=-6,x1=-1.∴点P的坐标为(-6,0)或(-1,0).【点睛】本题考查了反比例函数与一次函数的交点问题、一次(反比例)函数图象上点的坐标特征、待定系数法求一次函数解析式以及三角形的面积,解题的关键是:(1)根据点的坐标利用待定系数法求出直线AB的解析式;(1)根据函数图像判断不等式取值范围;(3)根据三角形的面积公式以及S△ACP=32S△BOC,得出|x+4|=1.21、(1)详见解析;(2)(等边对等角),(三角形外角性质),(同位角相等,两直线平行).【解析】(1)根据角平分线的尺规作图即可得;(2)分别根据等腰三角形的性质、三角形外角的性质和平行线的判定求解可得.【详解】解:(1)如图所示,直线AP即为所求.(2)证明:∵AB=AC,∴∠ABC=∠ACB(等边对等角),∵∠DAC是△ABC的外角,∴∠DAC=∠ABC+∠ACB(三角形外角性质),∴∠DAC=2∠ABC,∵AP平分∠DAC,∴∠DAC=2∠DAP,∴∠DAP=∠ABC,∴AP∥l(同位角相等,两直线平行),故答案为(等边对等角),(三角形外角性质),(同位角相等,两直线平行).【点睛】本题主要考查作图能力,解题的关键是掌握角平分线的尺规作图、等腰三角形的性质、三角形外角的性质和平行线的判定.22、(1)见解析;(1)1【解析】(1)根据角平分线的作图可得;(1)由等腰三角形的三线合一,结合E为AB边的中点证EF为△ABD的中位线可得.【详解】(1)如图,射线CF即为所求;(1)∵∠CAD=∠CDA,∴AC=DC,即△CAD为等腰三角形;又CF是顶角∠ACD的平分线,∴CF是底边AD的中线,即F为AD的中点,∵E是AB的中点,∴EF为△ABD的中位线,∴EF=BD=1.【点睛】本题主要考查作图-基本作图和等腰三角形的性质、中位线定理,熟练掌握等腰三角形的性质、中位线定理是解题的关键.23、(15;(2)∠CDE=2∠A.【解析】(1)在Rt△ABC中,由勾股定理得到AB的长,从而得到半径AO .再由△AOE∽△ACB,得到OE的长;(2)连结OC,得到∠1=∠A,再证∠3=∠CDE,从而得到结论.【详解】(1)∵AB是⊙O的直径,∴∠ACB=90°,在Rt△ABC中,由勾股定理得:222242AC BC+=+=25∴AO=125∵OD⊥AB,∴∠AOE=∠ACB=90°,又∵∠A=∠A,∴△AOE∽△ACB,∴OE AO BC AC=,∴OE=254 BC AOAC⋅==52.(2)∠CDE=2∠A.理由如下:连结OC,∵OA=OC,∴∠1=∠A,∵CD是⊙O的切线,∴OC⊥CD,∴∠OCD=90°,∴∠2+∠CDE=90°,∵OD⊥AB,∴∠2+∠3=90°,∴∠3=∠CDE.∵∠3=∠A+∠1=2∠A,∴∠CDE=2∠A.考点:切线的性质;探究型;和差倍分.24、(1)DE与⊙O相切,证明见解析;(2)AC=8. 【解析】(1)解:(1)DE与⊙O相切.证明:连接OD、AD,∵点D是的中点,∴=,∴∠DAO=∠DAC,∵OA=OD,∴∠DAO=∠ODA,∴∠DAC=∠ODA,∴OD∥AE,∵DE⊥AC,∴DE⊥OD,∴DE与⊙O相切.(2)连接BC,根据△ODF与△ABC相似,求得AC的长.AC=8。

2021年上海初三一模试卷-答案

2021年上海初三一模试卷-答案

2021年一模答案目录1.长宁区--------------------------------------------------------------------------------------------22.杨浦区--------------------------------------------------------------------------------------------53.徐汇区--------------------------------------------------------------------------------------------84.松江区---------------------------------------------------------------------------------------------125.青浦区---------------------------------------------------------------------------------------------166.普陀区---------------------------------------------------------------------------------------------197.浦东新区------------------------------------------------------------------------------------------228.闵行区---------------------------------------------------------------------------------------------259.静安区---------------------------------------------------------------------------------------------2810.金山区---------------------------------------------------------------------------------------------3211.嘉定区---------------------------------------------------------------------------------------------3512.黄浦区---------------------------------------------------------------------------------------------3813.虹口区---------------------------------------------------------------------------------------------4214.奉贤区----------------------------------------------------------------------------------------------4515.崇明区-----------------------------------------------------------------------------------------------4816.宝山区-----------------------------------------------------------------------------------------------512021年一模答案长宁区I. Listening Comprehension (听力理解) (共30分)1-6 BGDHEA7-14 BADBCDDA15-20 TTFFFT21-25 allow cars free music always crowded by bus is popularII. Choose the best answer(选择最恰当的答案) (共20分)26-30 BABDA 31-35 CDACB 36-40 BDDCA 41-45 ADCCBⅢ. Complete the following passage with the words or phrases in the box. Each can only be used once(将下列单词或词组填入空格。

〖2021年整理〗上海市浦东新区初三上学期数学一模 参考答案及评分说明

〖2021年整理〗上海市浦东新区初三上学期数学一模 参考答案及评分说明

浦东新区2021学年度第一学期初三年级学业质量监测数学试卷参考答案及评分说明一、选择题:(本大题共6题,每题4分,满分24分) 1.B ; 2.A ;3.D ;4.A ;5.C ;6.C .二、填空题:(本大题共12题,每题4分,满分48分)7.32; 8.252-; 9.0; 10.36; 11.2; 12.AB b a =-; 13.向上; 14.<; 15.15; 16.2625; 17.()251y x =--; 18.2.三、解答题:(本大题共7题,满分78分)19.解:11322a x b x -=+. ………………………………………………………(2分)11322x x b a --=-. ………………………………………………………(2分)7122x b a -=-. ………………………………………………………(2分)2177x b a =-+. …………………………………………………(4分)2021:由题意得 ()214y x m =++-. …………………………………………(4分) ∴该抛物线的顶点为(1-,4m -). ……………………………………(2分) ∵抛物线的顶点在第二象限.∴40m ->. ………………………………………………………………(2分) 解得 4m >. ………………………………………………………………(2分) ∴m 的取值范围是 4m >.21.解:(1)∵AD DE AB DFAC =63147DE AB DFAC===2l 2l -AB BM ACCN =37AB AC=37BM CN=tan =AH B BH =tan AH BH B tan =AHACH CH∠=tan AH CH ACB∠tan tan AD AH AHACB B=-∠11tan tan AH AD ACB B ⎛⎫=÷- ⎪⎝⎭∠1111180140tan tan 0.50 1.40AH AD ACB B ⎛⎫⎛⎫=÷-≈÷-= ⎪ ⎪⎝⎭⎝⎭∠140140380tan tan 1.400.50AH B ACB AH BC BH CH ≈+==+=+∠证明:(1)∵∠ACB=90°,∴∠CAD ∠CBA=90°. ∵DE ⊥AB ,∴∠EDA=90°.∴∠CDA ∠CDE=90°. …………………(1分)∵CD =CA ,∴∠CDA=∠CAD . ………………………………………………(1分) ∴∠CDE=∠B . …………………………………………………………………(1分) ∵∠ECD=∠DCB ,∴△CDE ∽△CBD . ……………………………………(1分) ∴CE CD CD CB =. ………………………………………………………………… (1分) ∵CD =CA ,∴CE CA CA CB=. 即2CA CE CB =⋅. ……………………………… (1分)(2)∵∠ECA=∠ACB ,CE CA CACB=,∴△ECA ∽△ACB . ……………………………(1分)∴∠EAC=∠B . ………………………………(1分)∵∠ACB=90°,M 是AE 的中点,∴MA =MC .∴∠ACM=∠EAC . ……………(1分) ∴∠ACM=∠B . ………………………………(1分) ∵∠CAH=∠BAC ,∴△AHC ∽△ACB .∴∠AHC=∠ACB . ……………………………(1分) ∵∠ACB=90°,∴∠AHC=90°. …………(1分) ∴CH ⊥AB .24.解:(1)∵二次函数2y ax bx c =++的图像经过点A (2,4)、B (5,0)和O (0,0).∴424,2550,0.a b c a b c c ++=⎧⎪++=⎨⎪=⎩…………………………………………………………(2分) 解得 23a =-,103b =,0c =. ……………………………………………(1分) ∴二次函数的解析式是221033y x x =-+. …………………………………(1分)(2)由(1)得抛物线的对称轴是直线52x =. …………………………………(1分) 将对称轴与轴的交点记为E ,可得52OE EB ==.过点A 作AD ⊥OB ,垂足为点D . Rt △ADO 中,21tan 42DAO ∠==. ……………(1分) 由题意得 ∠DAO =∠CBO ,∴Rt △1tan 2PE CBO EB ∠==54PE =5254554PA =554PB =5AB =1522AH AB ==54PH =cot 2AH BAP PH ∠==1tan 2PH BAP AH ∠==tan tan DAO BAP ∠=∠180MAO DAO ∠=-∠180APB BAP ABP ∠=-∠-∠MAO APB ∠≠∠AM AP AO AB =AM AB AO AP =AM APAO AB=554525AM=52AM =32AM ABAO AP=525554AM =8AM =4-324-AB BE EC CF =3AB EC BE CF ==32AB EC =2239()()24ABE ECFS ABSEC ===94ABE ECFSS=AG GE EHHF=+22k x-66BG AB k CHFCk===22k x--22226363k x k x k xk x --=+-BG AB =6165x x k k ==15++cos EP PF EF AFE FD DA FA ===∠.∴62cos 2PC AFE m m+==∠-.………………(1分) ∴4(1)2m PC m +=-.∴co 1123(2)PC m EP m +=-6123(2)m m m +=--=17.经检验m =17是方程的解. ∴菱形ABCD 的边长是17. …………………………………………………(1分)G H FED C B A PF E DC B A。

2021年浦东新区初三物理一模官方版本(附官方答案)

2021年浦东新区初三物理一模官方版本(附官方答案)

2021年浦东新区初三物理一模官方版本(附官方答案)浦东新区2021学年第一学期初三教学质量检测理化试卷(满分150分,考试时间100分钟)物理部分考生注意:1.本试卷物理部分含五个大题。

2.答题时,考生务必按答题要求在答题纸规定的位置上作答,在草稿纸、本试卷上答题一律无效。

一、选择题(共16分)下列各题均只有一个正确选项,请将正确选项的代号用2B铅笔填涂在答题纸的相应位置上。

更改答案时,用橡皮擦去,重新填涂。

1.首先用实验测定大气压强值的科学家是A.牛顿B.帕斯卡C.阿基米德D.托里拆利2.下列实例中,属于连通器应用的是A.吸尘器B.密度计C.锅炉液位计D.医用注射器3.下列物理量中,以科学家焦耳的名字作单位的是A.电功率B.电功C.电压D.电流4.下列家用电器正常工作时,电流最小的是A.空调B.微波炉C.热水器D.节能灯5.下列实例中,属于增大压强的是A.图钉尖很尖 B.书包带较宽 C.铁轨铺枕木 D.滑雪板滑雪图16.关于导体的电阻大小,下列说法中正确的是A.相同条件下,导体的电阻跟它的长度有关 B.相同条件下,导体的电阻跟它的材料无关 C.同一导体两端的电压越大,它的电阻越小 D.通过同一导体的电流越小,它的电阻越大浦东教育发展研究院保留版权第1页(共9页)7.在图2所示的电路中,电源电压保持不变,闭合电键S电路正常工作。

过了一会儿,发现电路中有两个电表的示数突然变大。

若故障只出现在R1或R2上,其它元件均完好。

则A.一定是R1断路 B.可能是R1短路 C.一定是R2短路 D.可能是R2断路A R1 V1 S 图2 R2 V2 8.如图3所示的甲、乙两实心均匀正方体分别放置在水平地面上,它们对地面的压强相等。

现分别在两个正方体的上部,沿水平方向切去一部分。

以下判断正确的是A.若切去的质量相等,则甲被切去的厚度一定多 B.若剩余的质量相等,则甲被切去的厚度可能多 C.若切去的高度相等,则甲被切去的质量可能多 D.若剩余的高度相等,则甲被切去的厚度一定多二、填空题(共26分)请将结果填入答题纸的相应位置。

上海市浦东新区2021英语中考一模英语卷(含答案)

上海市浦东新区2021英语中考一模英语卷(含答案)

上海市浦东新区2021英语中考一模英语卷(含答案)浦东新区2021--16学年度第一学期初三质量调研英语试卷B. Listen to the dialogue and choose the best answerto the question you hear 7. A) A science fiction. B) A textbook. C) A ic strip. D) A story 8. A)Rainy. B) Windy. C) Cloudy. D)Sunny 9. A) Monday. B) Wednesday. C) Thursday.D) Sunday10. A) To make a decision. B) Tobee a professor. C) To start work.D) To talk with her father. 11. A) By taxi. B)By bus. C) By underground. D) On foot12. A) 80 Yuan. B) 90 Yuan. C) 100Yuan. D) 110 yuan13. A) In a library. B) In a hospital. C)In a cinema. D) In a restaurant 14. A) She wasgiven the wrong juice. B) She thought thebottle was funny C) She thought the juice went bad.D) She couldn't open the bottle. C. Listen to the passage and tell whether the following statements are true or false 15. Zuckerberg's(扎克伯格) father taught him how to write puter programs. 16. \17. Zuckerberg agreed to work for Microsoft in his high school years. 18. At beginning, Zuckerberg and his classmates built for fun. 19. Zuckerberg gave a speechin Chinese in Tsinghua University in 2021. 20. Zuckerberg promised to spend most of his money improving . D. Listen to the passage and plete the following sentences2 l. A dangerous _____ ______ has been found in one of the washing rooms. 22. You should follow the sign and make your way out by_____ ______23. Please give _____ ______ to anyone around you, especially disabled and elderly people. 24. If you have children with you, _____ ______ you hold them firmly by the hand. 25. Do remember to _____ ______ the cigarettes because they may cause accidents. 1 / 9Part 2 Phoics, Grammar and VocabularyII. Choose the best answer (20’)26. Which of the following words matches the sound/seif/?A) save B) safe C) seven D) suffer 27. Human beings still can’t reach Mars for ____ time being.A) a B) an C) the D) / 28. People who have luck never depend ____ luck.A) in B) on C)with D)for 29. Tu Yoyo was awarded the Nobel Prize in her ____.A) eighties B) eighty C) eightieth D) eightieths 30. The children enjoyed _____ in the foreign culture festival last night.A) himself B) yourself C) ourselves D) themselves31. The Chinese team won the Women’s VolleyballWorld Cup _____ September, 2021.A) in B) at C) on D) by32. ____hiking in the Gobi Desert is not easy, thegirl still decided to have a try.A) If B) Although C) When D) As33. –Look! The students ______ their outdoor life lesson on the farm.A) take B) takes C) are taking D) took 34. Snoopy is one of_____ hunting dogs in the world.A) more famous B) most famous C) the more famous D) the most famous 35. With her teacher’s encouragement, the girl works even ____.A) hard B) harder C) hardly D) hardest36. The light from iPads at night may make you _____ before going to bed.A) excited B) exciting C) excitedly D) excitement 37. The restaurant needs ____ thirty chairsfor the ing guests.A) other B) the other C) others D) another38. The tourists have no idea _____ to meet the tour guide at 7 o’clock tomorrow morning.A) what B) when C) which D) where39. –Must I finish the work today?--_____. The manager is looking forward to it.A) Yes, you must B) Yes, you can C) No, you mustn’t D) No, you needn’t 40. Americans _____ New York City “The Big Apple” since 1971.A) call B) called C) has called D) have called41. The exchange students will ____ for Sydney during their winter holiday.A) keep off B) set off C) get off D) turnoff42. ____ wonderful it is to produce Chinese firstlarge passenger aircraft!A) What a B) What C) How D) How a43. One of the basic way of improving your memory is_____.A) use the link method B) to use the link methodC) used the link method D) uses the link method44. –You look so sad. William. What’s the matterwith you? --______.A) I’ve lost my wallet. B) I’m very happy.C) I’ve won the first prize. D) I don’t agreewith you.45. –In my opinion, buying second-hand books cansave students a lot of money. --____.A) That’s all right. B)I’m sorry to hear that. C)I think so, too. D) It’s my pleasure. 2 / 9III. plete the following passage with the words or phrases in the box. Each can be used only once.A. filledB. largeC. anythingD.throughE. nothing A rich man loved crocodiles so much.Once he bought a new house. There was a 46 swimmingpool in the back. However, it was 47 with fierce crocodiles. One day the man had a party to show off thebig house as well as his favourite pets.As the man expected , no one dared to stand next tothe pool. “ I think a real hero should have courage,” shouted the man, “ If anyone is brave enough to sw im48 the crocodiles and make it to the other side, Iwill give that person 49 he wants. I will give him my job, my money, mu house, and my crocodiles!” A. serious B. luckily C. pushed D. crazyE. words Everyone laughed at the 50 idea. They thought it was just a joke, and then left the pool area. Suddenly, they heard a loud splash (扑通声). Everyoneturned around and saw a man swimming for his life. The crocodiles tried to reach him quickly, but he swam to the other end and escaped from them 51 .“Wow, unbelievable. He made it!” cried the rich man, “ I keep my 52 . Tell me what you want and what Ican do for you.”The friend finally got his breath back. Then he looked up and said: “ You can tell me who 53 me into the pool!”IV. plete the sentences with the given words in their proper forms. 54. The detective dealt with many ______ with the help of his assistant. (case) 55. A good________ should always keep his eyes on road. (drive) 56. It is ________ of you waste so much time in watching TV. (fool) 57. Please measure the ______ of the rope with the ruler. (long) 58. Peter’s father seemed ____ with his spelling mistakes. (happy)59. The book ______ tells us that travelling will make our life colorful. (main) 60. Young people can learn to take care of others by ____ pets. (raise)61. Shall we _____ some information from Inter to finish our report? (collection) V. plete the following sentences as required.62. Bruce wrote some letters to his pen friend last month. (改为否定句)Bruce______ ______ any letters to his pen friend last month.63. I borrow some books from Shanghai Library twice a month. (划线提问)_____ _______do you borrow some books from Shanghai Library.64. The teacher didn’t tell us whether we should go on with the discussion or not. (改为简单句)The teacher didn’t tell us ______ _____ go on with the discussion or not. 65. The captain will choose ten boys to work as volunteers. (改为被动语态)Ten boys will _____ ______ to work as volunteers.66. Sally could not understand the English film she saw last night. (改为反意疑问句)Sally could not understand the English film she saw last night, _____ _____? 67. The cook was too busy to notice the overcooked soup. (保持句意)The cook was _____ busy ____ he didn’t notice the overcooked soup. 68. The bills, very, added up, the waiter, accurately (连词成句)____________________________________________.Part 3 Reading and Writing3 / 9VI. Reading prehension A. Choose the best answer.“ Mona Lisa” attracts art lovers around the world. Do you know Leonardo da Vinci also painted an “ Earlier Mona Lisa” before? It will be exhibited in Shanghai next year. Joel Feldman, the general secretary of the Mona Lisa Foundation, accepted an interview about the painting and the organization recently.Q: How was the “Earlier Mona Lisa” discovered?A: In 1913, Hugh Blaker, a manager of the Holburne Museum in England, found the “Earlier Mona Lisa” and brought it to his museum. A year later, the painting was sent to the US for safekeeping. It was housed in the Boston Museum of Fine Art until 1918. In 1975, Henry Pulitzer, a publisher, bought the painting and kept it in the Bank of Switzerland.Since the Mona Lisa Foundation was established in 2021, we have done lots of necessary research on the “Earlier Mona Lisa” and many high technologies were used. In the end, 28 out of the 29 experts believe thisis certainly the painting created by Leonardo da Vinci.Q: Do you remember the feeling when you first saw the “Mona Lisa” painting and this “Earlier Mona Lisa” painting?A: I first saw the “Mona Lisa” in the Louvre as a young boy. Quite honestly I was disappointed as thepainting looked quite small and dark. When I first sawthe “Earlier Mona Lisa”, I was absolutely stunned.Believe me, there is really something amazing that occurs when you are in the presence of this painting.Q: Why did you choose Shanghai for this exhibition?A: First, Shanghai is one of world art centres. In addition, the mission of the foundation is to show the painting to the world. Therefore, we decided to begin its Asian tour and Shanghai obviously would be the first stop.Q: Could you tell more details about the security for the painting?A: I can’t tell you a lot. What I can say is that we paid huge amounts of money for the insurance and the painting will be exhibited in a high-tech case, and alsono more than 2,000 people will be allowed to visit the painting a day. But visitors will be able to e quiteclose to the painting. 69. ______ was the first owner ofthe “Earlier Mona Lisa” in t he passage. A) The Mona Lisa Foundation B) The Holburne MuseumC) The Boston Museum of Fine Art D) The Bank of Switzerland 70. What was the main purpose of the research?A) To learn the history of Leonardo da Vinci. B) Toknow the value of the “Earlier Mona Lisa” C)To findout who painted the “Earlier Mona Lisa” D)To test different high technologies.71 The underlined word “stunned” is the closest in meaning to “_____”. A) surprised B) frightenedC) bored D) worried72 Which ci ty will the “Earlier Mona Lisa” most probably travel to after Shanghai? A) Los Angeles B) London C) Paris D) Beijing73 The organization did many things to keep thepainting safe, except _____. A) buying an expensive insurance for the painting B) using a high-tech caseto show the painting C) limiting the number ofvisitors to the exhibitionD)keeping visitors a long distance away from thepainting 4 / 974 In which section of the newspaper can you mostlikely find this passage?A) Science section B) Sports section C) Arts section D) Business section B. Choose the best answer and plete the passage.Xiao Yuwei is a 15-year-old Beijinger. As the only child in the family, she often feels lonely. She hopes to have a sister or brother as pany. Now it is the time for Xiao to realize her dream. Last month, China 75 its long-lasted one-child policy. Every couple can have two children. But what would it be like growing up with a sibling(兄弟姐妹)?A sibling can stop children from having bad feelings such as loneliness and fear, according to Laura Padilla-Walker, a professor of family research from Brigham Young University, US. “sibling can give kids something that parents can’t”. she says. You may not feel lonely because there is someone else to 76 . You can also talk about various things and share secrets with each other.But there are downsides, too. You have to share things with your sibling, including the TV, toys, the bathroom and even 77 from parents. There could be lots of petition, quarrelling and hair-pulling. “Childrenwith sibling need to learn to promise(妥协)and controltheir feelings well, 78 it will have bad effects onthe family relationship.” Says Laura Padilla-Walker.Even the birth order can make a difference. USpsychologist Kevin Leman says that the birth orderdecides how parents treat their children. It will thenlead to different 79 in children. Leman explains thatparents are usually very nervous and strict with theirfirst child. Firstborns are often responsible and eagerto succeed. When the couple has a second child, they aremore 80 . Thus late-born kids are usually funny andcreative.75 A) made B) ended C) startedD) took 76 A) play with B) look for C) get tiredof D) pick up 77 A) problem B) attention C)proof D) excuse 78 A) or B) andC) so D) but79 A) method B) mands C) personalitiesD) meaning 80 A) confused B)upset C)hopeless D) relaxed C. Fill in the blanks with proper words.Gold is a rare metal with a lovely colour. It is notaffected by a 81 or by water. Because gold is sosoft, it can be made into different shapes such as very thin flat pieces and very fine thread.Over 5,000 years ago, gold had some special meanings for the ancient Egyptians. They believed that all gold b 82 to their kings, the Pharaohs. In fact, they put many precious gold objects in the palaces with their Pharaohs when they died, and we can see a lot of them in museums today. The Egyptians had a lot of skill inworking with gold, they could make it into sheets so thin that a pile of 35,700 pieces would be only 2.5 cm high. Sheets like this are called gold leaf. Gold leaf is still used today to d 83 furniture and other things.The gold used to make jewellery is usually mixed with other metals of lower value. This not only makes the things c 84 , but also harder. People use the word\gold is. One karat means one twenty-fourth part of it is made of gold.Because it was not c 85 and therefore had ahigh value, gold was used as money all over the world in the past. Today, we use pieces of paper i 86 , but many countries still keep bars of gold in the banks. They can change this gold into money by selling it to othercountries. About two thirds of all the gold in the worldis kept in this way.Gold is found in many parts of the world, usuallydeep u 87 the ground. It can also be found in rivers. The sea too contains gold, but it would cost much more money to get the gold out of the sea than the gold is worth. 5 / 9。

上海市浦东区2021年中考一模(即期末)_物理试题

上海市浦东区2021年中考一模(即期末)_物理试题

第1页(共5页)上海市浦东区2021年中考一模(即期末) 物理试题及答案(满分:150分 考试时间:100分钟)一、选择题(共16分)下列各题均只有一个正确选项,请在答题纸的相应位置填写答案。

1.揭示出导体中电流与电压关系的物理学家是: A .欧姆B .焦耳C .伏特D .瓦特2.下列家用电器正常工作时通过电流最小的是: A .微波炉B .电饭锅C .空调D .节能灯3.家庭用户每月应缴付电费多少的依据是: A .用电器的多少 B .用电器功率的大小 C .消耗电能的多少D .通过用电器电流的大小4.如图1所示的各实例中,与连通器原理无关的是:5.某物体浸在水中时受到的浮力为2牛,此时该物体排开水的重力: A .可能小于2牛 B .一定等于2牛 C .可能大于2牛D .以上情况均有可能6.图钉的前端做得很尖,而图钉帽做得较大,对此,以下说法中正确的是: A .前端很尖可增大压力 B .图钉帽较大可减小压力 C .前端很尖可增大压强D .图钉帽较大可增大压强7.在图2所示电路中,电源电压不变,当电键S 闭合且滑动变阻器滑片P 向右移动时,下列判断中正确的是: A .电流表A 的示数变大 B .电压表V 的示数变小C .电压表V 1与电流表A 示数的乘积不变图2A 船闸B 小试管爬升C 倒装茶壶D 锅炉液位计图1D.电压表V1与电流表A示数的比值不变8.如图3所示,水平桌面上两个完全相同的柱形容器中分别盛有甲、乙两种液体,它们对容器底的压力相等。

若在两容器中再分别加入部分原液体(液体不溢出),小明认为:若加入的质量相等,甲对容器底的压强一定等于乙;小红认为:若加入的体积相等,甲对容器底的压强一定大于乙。

你认为:A.两人的观点均正确B.两人的观点均不正确C.只有小明的观点正确D.只有小红的观点正确二、填空题(共26分)请将答案填入答题纸的相应位置。

9.电压是使自由电荷发生定向移动形成(1) 的原因,一节普通新干电池的电压是(2) 伏。

最新上海市浦东新区2021初三英语一模试卷(含答案)

最新上海市浦东新区2021初三英语一模试卷(含答案)

上海市浦东新区2021初三英语一模试卷(含答案)上海市浦东新区2021-2021学年第一学期初三教学质量检测英语试卷(满分150分,考试时间100分钟)PART1 Listening(第一部分听力)1Listening comprehension(听力理解)A. Listen and choose the right picture(根据你听到的内容,选出相应的图片)1._______ 2________ 3.__________ 4.__________ 5.________ 6.____________B. Listen to the dialogue and choose the best answer to the question you hear(根据你听到的对话和问题,选出最恰当的答案7.A) A science fiction. B)A textbook. C)A comic strip. D)A story book8. A)Rainy B) Windy C) Cloudy D) Sunny9. A)Monday B)Wednesday C) Thursday D)Sunday10. A)To make a decision B)To become a professor C)To start work D)To talk with her father11. A)By taxi B)By bus C)By underground D)on foot12 A)80 Yuan B)90 Yuan C)100 Yuan D)110 Yuan13) A)In a library B)In a hospital C)In a cinema D)In a restaurant14 A)She was given the wrong juice B)She thought the bottle was funnyC) She thought the juice went bad D)She couldn’t open the bottleC. Listen to the passage and tell whether the following statements are true or false (判断下列句子是否符合你听到的短文内容,符合的用“T”表示,不符合的用“F”表示)15.Zuckerberg’s(扎克伯格)father taught him how to write computer programs.16.“ZuckNet”is a kind of communicating software program.17 Zuckerberg agreed to work for Microsoft in his high school years.18 At beginning, Zuckerberg and his classmates built Facebook for fun.19Zuckerberg gave a speech in Chinese in Tsinghua University in 202120 Zuckerberg promised to spend most of his money improving Facebook.D. Listen to the passage and complete the following sentences(听短文,完成下列内容。

2021年浦东新区初三数学一模试卷加答案(精准校对完整版)

2021年浦东新区初三数学一模试卷加答案(精准校对完整版)

2021年浦东新区初三数学一模试卷加答案(精准校对完整版)浦东新区2021年一模数学试卷(含答案详解)(总分150)2021一、选择题:(本大题共6小题,每题4分,满分24分)1.如果两个相似三角形对应边之比是1:4,那么它们的对应边上的中线之比是()A. 1:2B. 1:4C. 1:8D. 1:162.在Rt△ABC中,∠C=90°,AB=5,BC=4,则sinA的值为()A 3344A. B. C. D. 4553 DE3.如图,点D、E分别在AB、AC上,以下能推得DE//BC的条件是() A. AD:AB=DE:BC; B.AD:DB=DE:BC;CBC. AD:DB=AE:EC; D. AE:AC=AD:DB. y 24.已知二次函数y=ax+bx+c的图像如图所示,那么a、b、c的符号为() A. a<0,b<0,c>0; B. a<0,b<0,c<0;o C. a>0,b>0,c>0; D. a>0,b>0,c<0. x5.如图,Rt△ABC中,∠ACB=90°,CD⊥AB于点D,下列结论中错误的是() A. AC2=AD・AB; B. CD2=CA・CB;CC. CD2=AD・DB; D. BC2=BD・BA.6.下列命题是真命题的是()A. 有一个角相等的两个等腰三角形相似; BADB. 两边对应成比例且有一个角相等的两个三角形相似;C. 四个内角都对应相等的两个四边形相似;D. 斜边和一条直角边对应成比例的两个直角三角形相似.二、填空题(本大题共12小题,每题4分,满分48分)x1x7.已知,那么 . ==y3x+y 18.计算: . 2 a-3(a+b)=39.上海与杭州的实际距离约200千米,在比例尺1:5000 000的地图上,上海与杭州的图上距离约厘米.10.某滑雪运动员沿着坡比为1:3 的斜坡向下滑行了100m,则运动员下降的垂直高度是米.11.将抛物线y=(x+1)2向下平移2个单位,得到新抛物线的函数解析式是 .12.二次函数y=ax2+bx+c 的图像如图所示,对称轴为直线x=2,若此抛物线与x轴的一个交点为(6,0),则抛物线与x轴的另一个交点坐标是 .13.如图,已知AD是△ABC的中点,点G是△ABC的重心, AB = a,那么用向量表示向量为. a AG14.如图,在△ABC中,AC=6,BC=9,D是△ABC的边BC上的点,且∠CAD=∠B,那么CD的长是.AB115.如图,直线AA1//BB1//CC1,如果 ,AA1=2,CC1=6,那么线段BB1的长为 . = BC3AABAA1B1GBDCCDBCC1第12题图第13题图第14题图第15题16.如图是小明在建筑物AB上用激光仪测量另一建筑物CD高度的示意图,在地面点P 处水平放置一平面镜.一束激光从点A射出经平面镜上的点P反射后刚好射到建筑物CD的顶端C处,已知AB⊥BD,CD⊥BD,且测得AB=15米,BP=20米,PD=32米,B、P、D在一条直线上,那么建筑物CD的高度是米.17.若抛物线y=ax2+c与x轴交于点A(m,0),B(n,0),与y轴交于点C(0,c),则称△ABC为“抛物三角形”.特别地,当mnc<0时,称△ABC为“倒抛物三角形”时,a、c应分别满足条件 .18.在△ABC中,AB=5,AC=4,BC=3,D是边AB上的一点,E是边AC上的一点(D、E均与端点不重合),如果△CDE与△ABC相似,那么CE= .三、解答题(本大题共7小题,满分78分) 19.(本题满分10分)计算:sin45°+6tan30°-2cos30°. 220.(本题满分10分,第(1)小题6分,第(2)小题4分)二次函数y=ax2+bx+c的变量x与变量y的部分对应值如下表: x ? -3 -2 -1 0 1 5 ? y ? 7 0 -5 -8 -9 7 ? (1)求此二次函数的解析式;(2)写出抛物线顶点坐标和对称轴.21. (本题满分10分,每小题8分)如图,梯形ABCD中,AD//BC,点E是边AD的中点,联结BE并延长交CD的延长线于点F,交AC于点G.(1)若FD=2,ED:BC=1:3,求线段DC的长;(2)求证:EF・GB=BF・GE.22. (本题满分10分,第(1)小题6分,第(2)小题4分)如图,l为一条东西方向的笔直公路,一辆小汽车在这段限速为80千米/小时的公路上由西向东匀速行驶,依次经过点A、B、C. P是一个观测点,PC⊥l,PC=60米,4,∠BPC=45°,测得该车从点A行驶到点B tan∠APC= 3所用时间为1秒.(1)求A、B两点间的距离;(2)试说明该车是否超过限速.FAEGDBC23. (本题满分12分,每小题6分)如图,在△ABC中,D是BC边的中点,DE⊥BC交AB于点E,AD=AC,EC交AD于点F. (1)求证:△ABC∽△FCD; A(2)求证:FC=3EF.EFBCD24. (本题满分12分,每小题4分)如图,抛物线y=ax2+2ax+c(a>0)与x轴交于A(-3,0)、B两点(A在B的左侧),与y轴交于点 C(0,-3),抛物线的顶点为M. (1)求a、c的值;(2)求tan∠MAC的值;(3)若点P是线段AC上一个动点,联结OP.问:是否存在点P,使得以点O、C、P为顶点的三角形与△ABC相似?若存在,求出P点的坐标;若不存在,请说明理由.25. (本题满分14分,第(1)(2)小题,每题5分,第(3)小题4分)如图,在边长为6的正方形ABCD中,点E为AD边上的一个动点(与点A、D不重合),∠EBM=45°,BE交对角线AC于点F,BM交对角线AC于点G,交CD于点M.(1)如图1,联结BD,求证:△DEB∽△CGB,并写出DE:CG的值;(2)联结EG,如图2,若设AE=x,EG=y,求y关于x的函数解析式,并写出函数的定义域;(3)当M为边DC的三等分点时,求S△EGF的面积.DMCDMCDCGEFABGEFABAB备用图感谢您的阅读,祝您生活愉快。

上海市浦东新区2021年中考数学一模试卷附答案

上海市浦东新区2021年中考数学一模试卷附答案

中考数学一模试卷一、单选题(共6题;共12分)1.A 、B两地的实际距离AB=250米,如果画在地图上的距离=5厘米,那么地图上的距离与实际距离的比为()A. 1∶500B. 1∶5 000C. 500∶1D. 5 000∶12.已知在中,,,那么AB的长等于()A. B. C. D.3.下列关于x的函数中,一定是二次函数的是()A. B. C. D.4.已知一个单位向量,设、是非零向量,那么下列等式中正确的是().A. ;B. ;C. ;D. .5.如图,在ABC中,点D、F是边AB上的点,点E是边AC上的点,如果∠ACD=∠B,DE BC,EF CD,下列结论不成立的是()A. B. C. D.6.已知点A(1,2)、B(2,3)、C(2,1),那么抛物线可以经过的点是()A. 点A、B、CB. 点A、BC. 点A、CD. 点B、C二、填空题(共12题;共12分)7.如果线段a、b满足,那么的值等于________.8.已知线段MN的长是4cm,点P是线段MN的黄金分割点,则较长线段MP的长是________cm.9.计算:________.10.如果从某一高处甲看低处乙的俯角为36度,那么从低处乙看高处甲的仰角是________度.11.已知AD、BE是ABC的中线,AD、BE相交于点F,如果AD=3,那么AF=________.12.如图,已知平行四边形ABCD的对角线AC与BD相交于点O,设,,那么向量关于、的分解式为________.13.如果抛物线经过原点,那么该抛物线的开口方向________.(填“向上”或“向下”)14.如果(2,)、(3,)是抛物线上两点,那么________ .(填“>”或“<”)15.如图,矩形DEFG的边EF在ABC的边BC上,顶点D、G分别在边AB、AC上,已知ABC的边BC长60厘米,高AH为40厘米,如果DE=2DG,那么DG=________厘米.16.秦九韶的《数书九章》中有一个“峻积验雪”的例子,其原理为:如图,在Rt ABC中,∠C=90°,AC=12,BC=5,AD⊥AB,AD=0.4,过点D作DE AB交CB的延长线于点E,过点B作BF⊥CE交DE于点F,那么BF=________.17.如果将二次函数的图像平移,有一个点既在平移前的函数图像上又在平移后的函数图像上,那么称这个点为“平衡点”.现将抛物线:向右平移得到新抛物线,如果“平衡点”为(3,3),那么新抛物线的表达式为________.18.如图,ABC中,AB=10,BC=12,AC=8,点D是边BC上一点,且BD:CD=2:1,联结AD,过AD中点M的直线将ABC分成周长相等的两部分,这条直线分别与边BC、AC相交于点E、F,那么线段BE的长为________.三、解答题(共7题;共65分)19.已知向量关系式,试用向量、表示向量.20.已知抛物线的顶点在第二象限,求的取值范围.21.如图,已知AD BE CF,它们依次交直线、于点A、B、C和点D、E、F,且AB=6,BC=8.(1)求的值;(2)当AD=5,CF=19时,求BE的长.22.如图,燕尾槽的横断面是等腰梯形ABCD,现将一根木棒MN放置在该燕尾槽中,木棒与横断面在同一平面内,厚度等不计,它的底端N与点C重合,且经过点A.已知燕尾角∠B=54.5°,外口宽AD=180毫米,木棒与外口的夹角∠MAE=26.5°,求燕尾槽的里口宽BC(精确到1毫米).(参考数据:,,,,,)23.Rt ABC中,∠ACB=90°,点D、E分别为边AB、BC上的点,且CD=CA,DE⊥AB.(1)求证:.(2)联结AE,取AE的中点M,联结CM并延长与AB交于点H.求证:CH⊥AB.24.二次函数()的图像经过点A(2,4)、B(5,0)和O(0,0).(1)求二次函数的解析式;(2)联结AO,过点B作BC⊥AO于点C,与该二次函数图像的对称轴交于点P,联结AP,求∠BAP的余切值;(3)在(2)的条件下,点M在经过点A且与x轴垂直的直线上,当AMO与ABP相似时,求点M的坐标.25.四边形ABCD是菱形,∠B≤90°,点E为边BC上一点,联结AE,过点E作EF⊥AE,EF与边CD交于点F,且EC=3CF.(1)如图1,当∠B=90°时,求与的比值;(2)如图2,当点E是边BC的中点时,求的值;(3)如图3,联结AF,当∠AFE=∠B且CF=2时,求菱形的边长.答案解析部分一、单选题1.【解析】【解答】解:∵250米=25000cm,∴=5:25000=1:5000.故答案为:B.【分析】地图上距离与实际距离的比就是在地图上的距离与实际距离AB的比值.2.【解析】【解答】解:∵在Rt△ABC中,∠C=90°,∠A=α,BC=2,∴sinA=,∴AB== ,故答案为:A.【分析】在直角三角形ACB中,根据锐角三角函数的定义,求出答案即可。

2021届浦东新区中考语文一模

2021届浦东新区中考语文一模

2021 年上海市浦东新区初三一模语文试卷2019.1(考试时间:100 分钟;总分:150 分)考生注意:本卷共有 27 题,请将所有答案写在答题纸上,写在试卷上不计分。

)一、文言文(40 分)(一)默写(15 分)1.草枯鹰眼疾,。

(《观猎》)2.,带月荷锄归。

(《归园田居》)3.,尘暗旧貂裘。

(《诉衷情》)4.孤村落日残霞,。

(《天净沙·秋》)5.浮光跃金,。

(《岳阳楼记》)(二)阅读下面宋词,完成第 6-7 题(4 分)破阵子·为陈同甫赋壮词以寄辛弃疾醉里挑灯看剑,梦回吹角连营。

八百里分麾下炙,五十弦翻塞外声,沙场秋点兵。

马作的卢飞快,弓如霹雳弦惊。

了却君王天下事,赢得生前身后名。

可怜白发生!6.“沙场”的意思是。

(2 分)7.下列对这首词理解不恰当的项是()。

(2 分)A.上片一、二句表现了词人念念不忘杀敌报国的情怀。

B.上片三、四句表现了雄壮的军容和高昂的战斗情绪。

C.下片三、四句实写词人战斗获胜时意气昂扬的神情。

D.下片末句以沉痛的慨叹抒发了词人壮志难酬的悲愤。

(三)阅读下文,完成第 8-10 题(9 分)①至于负者歌于途,行者休于树,前者呼,后者应,伛偻提携,往来而不绝者,滁人游也。

临溪而渔,溪深而鱼肥:酿泉为酒,泉香而酒洌;山肴野蔌,杂然而前陈者,太守宴也。

宴酣之乐,非丝非竹,射者中,弈者胜,觥筹交错,起坐而喧哗者,众宾欢也。

苍颜白发,颓然乎其间者,太守醉也。

②已而夕阳在山,人影散乱,太守归而宾客从也。

树林阴翳,鸣声上下,游人去而禽鸟乐也。

然而禽鸟知山林之乐,而不知人之乐;人知从太中游而乐,而不知太中之乐其乐也。

醉能同其乐,醒能述以文者,太守也。

太守谓谁?庐陵欧阳修也。

8.下列选项表述错误的一项是()。

(2 分)A.“醉翁”“六-居士”都是欧阳修的号。

B.《生查子·元夕》、《卖油翁》都是欧阳修的作品。

C.“记”是古代的一种文体,用来警戒自己或称述功德。

2021年上海市浦东新区中考英语一模试卷

2021年上海市浦东新区中考英语一模试卷

浦东新区 2021 学年度第一学期期末质量测试初三英语(满分150 分,考试时间100 分钟)Part I Listening (第一部分听力)I.Listening Comprehension(听力理解)(共30 分)A.Listen and choose the right picture.(根据你听到的内容,选出相应的图片)(6 分)E F G H1. 2. 3. 4. 5. 6.B.Listen to the dialogue and choose the best answer to the question you hear.(根据你听到的对话和问题,选出最恰当的答案)(8 分)7.A)Happy B) Tired C) Busy D) Sad8.A)A physics club B) A dancing clubC) A music club D) A movie club9.A)To work in McKing B) To have lunchC)To busy a hamburger D) To help others10.A)A policeman B)A teacher C) A director D) An engineer11.A)10 yuan B) 60 yuan C) 70 yuan D) 80 yuan12.A)In a restaurant B) In a library C) In a cinema D)In a hospital13.A)Her father B) Her friends C) Her classmates D) Her cousins14.A)She doesn’t like fish B) She isn’t interested in fishC)She likes eating fish D) She has had enoughC.Listen to the passage and tell whether the following statements are true or false(判断下列句子是否符合你听到的短文内容,符合的用T 表示,不符合的用F 表示)15.Nicholas is only four, but he is clever enough to go to college.16.When he was very young, Nicholas could speak only one language.17.The boy could stay in the schools because he felt happy there.18.The parents didn’t know what to do with their son at first.19.Nicholas studies both in a college and at home.D.Listen to the passage and complete the following sentence( 听短文,完成下列内容,每空格限填一词)21.On Halloween we should some candy for trick-treaters.22.I have memories of Halloween as a kid.23.My parents don’t want us to wander around in a strange place.24.They are sometimes in a good way that they try to make us laugh.Part 2 Phonetics, Grammar and Vocabulary(第二部分语音,语法和词汇)II.Choose the best answer (选择最恰当的答案)(共20 分)26.Which of the following words matches the sound /keis/?A.kissB. cakeC. caveD. case27.Which of the following underlined parts is different in pronunciation from the o thers?A.We should think of a plot when creating a comic strip.B.The fish are remo ved from the birds’ mouths by Damin.C.Yesterday a bank robbery happened at the end of the corner.D.He was so shocked that he could hardly say a word.28.Guide dogs help blind walk free in the street.A. aB. anC. theD./29.A healthy diet is essential everybody. You should care more about what you eat.A.forB. toC. inD.about30.A friend of mine usually sells some vegetables and shares with his family.A. anotherB. otherC. the restD. the other31.My mother is a creative cook, so she often cooks for me every weekend.A.anything differentB. nothing differentC. something differentD. everything different32.As people get older, their short-term memory becomes and they can’t remember things clearly.A. badB. worseC. betterD. good33.When an earthquake happens, you should go outside as as possible.A.quickB. quickerC. more quicklyD. quickly34.Jenny often thinks of herself, her sister, Mary is very friendly to others.A.soB. butC. andD. or35.The old man still coughed a lot he took some medicine.A.ifB. sinceC. becauseD. although36.The summer holiday is coming, so he decides to Beijing for his holidays.A.goB. to goingC. goingD. to go37.The thief denied the mobile phone from the young lady when he was caught.A.stealingB. to stealC. stealD. stole38.I from Mr.Bl ack since he moved to Beijing. I’ll visit him when I go t here.A.haven’t heardB. won’t hearC. don’t hearD. didn’t hear39.My sister much charity work in her free time when she entered college.A. has doneB. will doC. didD. does40.After the serious illness Ebola happens, more doctors to help save the patients in Africa.A.neededB. are neededC. needD. are needing41.Before ta king a plane at the airport, a ll passengers go through safety check.A. canB. mustC. mayD. ought42. warm and rainy weather it was last November in Shanghai.A. WhatB. What aC. What anD. How43.Could you tell me ?A.how could I protect myself from the air pollutionB.how can I protect myself from the air pollutionC.how I could protect myself from the air pollutionD.how I protect can myself from the air pollution44.I think teenagers should be strict with themselves at any time.A.I agreeB. Not at allC. That’s all rightD. That’s a goodidea45.Excuse me, I want to complain about this soya milk.A.How do you like it?B. Do you agree?C. What’s the problem?D. What do you think?plete the following passage with the words in the box. Each word canonly be used once(将下列单词填入空格,每空格限填一词,每个单词只能填一次)A. designersB. as well asC. muchD. protectE. showMost of the time, people wear hats to protect themselves from bad weather conditions. Hats are also worn to 46 politeness and as signs of social position. But nowadays, hats, especially women’s hats, are 47 more than that. In fact, hats have changed into fashion and style symbols by many movie stars. What’s more, people now consider many different features ( 特点)when choosing even a simple hat. Many 48 point out that, wh en choosing the right hat, it’s important to consider the color of your skin 49 your hair, your height, and the shape of your face.A. differentB. alsoC. difficultD. for exampleE. wearFirst of all, the color of the hat should match the color of your skin and hair, 50 , black hats should be avoided if you are dark skinned. Second, the height of the hat is 51 an important point. Tall women should not go for hats with tall crowns, just as short women should choos e hats with upturned brims to give the look of height. Most importantly, the shape of the face decides the kind of hat one should 52 . A small, gentle hat that fits the head looks good ona small face. However, women with big, round faces should choose a 53 style. As the saying goes, “Fine feathers make fine birds.” A good hat can not only help your dress but also support your features, so why not choose the best possible one next time you want to be in public?plete the sentences with the given words in their suitable form(用括号中所给单词的适当形式完成下列句子。

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一、古诗文(40分)(一)默写与运用(16分)1.日暮乡关何处是?________________。

(崔颢《黄鹤楼》)2._______________,落日故人情。

(李白《送友人》)3.是故学然后知不足,________________。

(《礼记·虽有嘉肴》)4._______________,在乎山水之间也。

(欧阳修《醉翁亭记》)5.小明在“放飞理想,拥抱未来”主题班会上发言,为了勉励大家树立理想,坚定信念,他引用了李白《行路难(其一)》中的诗句“, 。

”(二)阅读下面的诗文,完成第6—9题(12分)【甲】水调歌头丙辰中秋,欢饮达旦,大醉,作此篇,兼怀子由。

明月几时有?把酒问青天。

不知天上宫阙,今夕是何年。

我欲乘风归去,又恐琼楼玉宇,高处不胜寒。

起舞弄清影,何似在人间。

转朱阁,低绮户,照无眠。

不应有恨,何事长向别时圆?人有悲欢离合,月有阴晴圆缺,此事古难全。

但愿人长久,千里共婵娟。

【乙】记承天寺夜游元丰六年十月十二日夜,解衣欲睡,月色入户,欣然起行。

念无与为乐者,遂至承天寺寻张怀民。

怀民亦未寝,相与步于中庭。

庭下如积水空明,水中藻、荇交横,盖竹柏影也。

何夜无月?何处无竹柏?但少闲人如吾两人者耳。

6.这两篇作品的作者都是______代文学家___________(姓名)。

(2分)7.用现代汉语翻译画线句。

(3分)但少闲人如吾两人者耳。

________________________________________________8.关于两篇作品中的“月”,下列理解正确的一项是()。

(3分)A.【甲】中的月居于高处,象征着不理会人世间悲欢离合的统治者。

B.【乙】中的月悄然入户,不请自来,是引发作者起行夜游的原因。

C.作者寄托于月的情感截然不同,【甲】多悲戚,而【乙】多欣悦。

D.两篇作品都提及因月无眠,表达了作者向月倾吐心声的强烈愿望。

9.两篇作品或侧重于抒情,或侧重于叙事,都表达了作者在特定情境中的思想感情。

【甲】结尾两句呼应了小序中的“□”字;【乙】文则流露出赏月的欣喜、漫步的悠闲、________以及__________等复杂的情感。

(4分)(三)阅读下文,完成第10—12题(12分)武训①传略(节选)蒋维乔武七者,山东堂邑人也。

三岁丧父,家贫,行乞以度日,饮食必先其母,人称曰孝丐。

六岁后丧母,孑然一身,昼行乞,夜绩麻,得一钱,即存之。

渐积至万余缗②,自以孤贫,目不识丁,慨然欲创建义学。

人劝之娶,执不可,曰:“吾兴学之念,未或一日忘也。

”先在堂邑柳林集购置地亩,建造学舍,远近闻其义,咸助之。

延师课读,束脩③必丰,礼意尤极周挚。

入学之日,武先拜塾师,遍拜诸生,具盛馔飨④师,而请邑绅为之主,自立门外,屏营⑤以待。

【注释】①武训(1838-1896):原无名,排行第七。

②缗:成串的铜钱,一千钱为一缗。

③束脩:送给教师的报酬。

④飨:宴请。

⑤屏营:形容诚惶诚恐的样子。

10.解释句中加点的词。

(4分)(1)得.一钱___________ (2)至万余.缗___________11.对文中画线句意思的理解最恰当的一项是()。

(3分)A.远近的人们听说其中的仁义,都来帮助他。

B.远近的地方听说其中的仁义,总是来帮助他。

C.远近的人们听说他的仁义,都来帮助他。

D.远近的地方听说他的仁义,总是来帮助他。

12.根据提示,分析武训的特点及表现,在表格里填入恰当的内容。

(5分)二、现代文(39分)(一)阅读下文,完成第13—16题(18分)腹有诗书气未必华①谈到读书的好处,抛开功利的言论不谈,苏东坡的主张“腹有诗书气自华”一向为人推崇。

学人们认为他道出了读书在丰富知识之外,尚有演化气质的作用。

对此,我不敢苟同。

套用苏东坡的原诗句,我的意见是:腹有诗书气未必华。

②苏东坡所谓的“气”,不过是指书卷气,一种读书人特有的风格、气质。

在我看来,“气”更应该理解为一种能从容驾驭人生的精神品质,这种品质由知识、才干、品格熔铸而成。

显然,光读诗书是远远不够的。

③一位作家说,人要读三本大书,一本是有字之书,一本是无字之书,一本是心灵之书。

“腹有诗书”的“诗书”就属于有字之书的范畴,读好有字之书,丰富了一个人的知识,至多形成的是书卷气。

在此基础之上,倘若还能读好生活实践这本无字之书,就能增长实际才干,消除掉些书生气。

这样,知识与才干就成为一对健康有力的翅膀,助我们翱翔于蓝天之上。

有了知识与才干,仅仅具备了飞翔的能力。

飞行方向的选择、飞行高度的调整、飞行姿态的优化,还有赖于第三本书的滋养。

这便是心灵之书。

阅读心灵之书,就是要在关注外部世界的同时,也要时时省察自己的内心,让灵魂与身体同步。

④三本大书,缺一不可,不断研读,才能让我们_________、_________、_________。

古今中外,那些以足够多的智慧和高尚品德从容驾驭人生的人,无一不是将三本大书完整研究、综合考量。

⑤仅就读有字之书而言,第二次世界大战的盟国领袖邱吉尔,在学生时代,成绩并不优秀,但他能将另两本大书与有字之书结合起来,从而拥有了远逾常人的才干、品格和勇气,将陷于战争泥淖的文明世界拯救出来。

无字之书与心灵之书在他的成长经历中甚至比有字之书更能促进他的“气”的形成。

⑥曾经在旧上海叱咤风云的杜月笙,尽管说过“识人比识字要紧”,还是花重金拜国学大师章太炎为师,也有了一些读书人的气质,但是,他没有去读第三本大书——心灵之书,导致他的人生格局仅仅限于做个流氓大亨。

⑦因此,人一定要读书,一定要把书读完整,将有字之书、无字之书、心灵之书三本大书读全,知识、才干、品格兼备,这样从容驾驭人生的精神品质之“气”必将养成!13.第①段画线句中引号的作用是____,句中“气”的意思是_____。

(4分)14.第④段横线上需要依次填入三个短语,下列选项中正确的一项是()。

(3分)A.知识渊博才干出众品格健全B.才干出众知识渊博品格健全C.品格健全知识渊博才干出众D.知识渊博品格健全才干出众15.根据文章的论证思路,完成下面的填空。

(6分)16.文中第⑤段、第⑥段都在举例论证,第⑥段的事例能否删除?请简述理由。

(5分)(二)阅读下文,完成第17—21题(21分)竹纸与油膜经受住了考验①79岁的吴江还老人要做一把贺寿伞,庆贺老伴80岁生日。

两人结婚快60年了,吴江还照着老习惯,尊称老伴为“菊姐”。

②从十七八岁起,大部分时间菊姐都在帮吴江还做油纸伞、做斗笠、做竹椅、做竹篾篮子和竹匾。

这些竹制的器具窈窕又轻灵,充满了山野的清香与韧性。

③60年倏忽而过。

一个甲子的时光中,两人配合最丝丝入扣的,就是做油纸伞。

连伞把上的弹簧,都是在竹伞柄上挖了孔,用三角形的竹片轻敲进去的。

还记得我们童年时,年幼力弱,需要将油纸伞头抵在砖石墙上,废力撑抵弹簧,才将伞撑开的场面?两位老人的紧密协作,就能让这幕旧时光幽幽闪回。

④观赏这把贺寿伞的诞生,就像观赏两人执手一生的默契。

两人的动作像山歌对唱一样严丝合缝,有主歌,就有副歌;有快嘴念唱,就有悠然的和声——⑤吴江还削磨好伞头,开出30道小槽,菊姐已将她搓磨好的30根大骨架递来;大骨架刚以线穿起,埋入伞头凹槽,菊姐的30根小骨架又已递到;安上伞把,嵌入弹簧,用细麻绳串联大伞骨的边缘,伞的骨架已经清秀匀称,菊姐已裁好30条粗纸,一条条依次贴上骨架,赋予纸伞以血肉。

这种檀皮纸是菊姐用青檀树皮自造的,当地人用它来写毛笔字、包茶叶、包中药、包糕点。

纸呈米白色,上有素淡的植物纤维。

虽然市面上有现成的白纸也可以用来糊伞,但吴江还说,纸还是老的好,柔而厚,温而润。

⑥纸糊好了,伞头与伞缘外再贴一圈纸加固,完了吗?没完。

伞还要穿皂衫,着黄袍。

吴江还以锅底灰涂黑伞面,菊姐早已递上一钵子植物颜料,是她用山间中草药与熟石灰同捣而得。

两位老人像过泼水节一样,以手撩动颜料,泼洒伞面,顾不得自己一手一身的颜料。

伞晾干后,在阳光与空气的作用下氧化变深,再把煮熟晾凉的菜籽油刷上伞面,连刷几次,直到伞变成一种万籁俱寂的老黄色,一种亘古不变的山野深秋的颜色。

⑦吴江还做好了老伴的祝寿伞,同时还做了六把略小一点的,是给老伴的六位姐妹的。

他笑着说:“当年,她们是乡里的七仙女。

”到时候,七姐妹会脱下自己的婆婆衫,以旗袍加纸伞的造型,为给菊姐贺寿的乡亲表演。

⑧油纸伞像一个60年的光阴故事,绽放在吴家庭院里。

⑨吴江还说,吴家世世代代是篾匠。

这些年,他的手工纸伞供不应求,票友们要用它做演出道具,景区走秀的演员要靠它摆造型,爱穿汉服的小姐姐们更是要靠纸伞酝酿古意氛围,连莫干山周围的民宿,也要定制纸伞做灯罩,做房梁和墙面上的装饰。

吴江还笑着说:“老话讲,晴天打伞是痴人,屋里头打伞是狂才。

老话哪能料到今天的情势——我活到老,才知道纸伞不见得只是在雨里打的,恩爱夫妻不见得非要遭遇坎坷磨难。

”⑩到现在,吴江还仍然保留着在雨里检验新伞的习惯。

听到疏雨打在伞面上发出“噗噗噗”的声音,比雨打芭蕉还要回响浑厚、悠然,他就知道,竹纸与油膜经受住了考验。

17.找出第③段画线句中的错别字:并改正,(2分)错别字:________ 应改为:________18.任选一个角度,赏析第②段画线句的语言表现力。

(4分)19.结合⑤⑥两段,理解第④段的画线句,下列说法不正确的一项是()。

(3分)A.第⑤段先写吴江还的动作,再写菊姐的配合,彰显出“主歌”、“副歌”之别。

B.第⑤段写两位老人搭骨架、造皮纸的动作快而有序,就像歌者的“快嘴念唱”。

C.第③段主要写两位老人耐心、细致地完成最后的工序,就像山歌和声一样悠然。

D.这两段写菊姐的动作时连用多个“已”,体现两人配合得严丝合縫,十分默契。

20.文末作者写道“竹纸与油膜经受住了考验”,结合上文来看,其原因是:第一,竹材有韧性;第二,_________________;第三,________________。

这句话除了指油纸伞经受住了雨的考验外,还有更深的含义,即_____(7分)21.吴家的篾匠手艺世代相传,至今产品仍供不应求,但也有很多传统手工艺已经或正在消亡,据有关调查,我国目前有超过一半的传统手工艺濒临失传。

你认为传统手工艺是否有保护的必要?请谈谈你的看法。

(5分)三、综合运用(11分)阅读下面的材料,完成第22—24题(11分)回归汉语这个精神家园(节选)2020年11月,《新周刊》记者专访了学者余世存、作家胡赳赳,谈及语言腐败、语言暴力等问题。

《新周刊》:怎样理解当下的语言腐败?胡赳赳:语言本身是有夸张和变形功能的。

比如说李白的“白发三千丈,缘愁似个长”,那是一种豪迈和夸张,没有功利性、谄媚的一面,就不能称为语言腐败。

但是“生不用封万户侯,但愿一识韩荆州”就比较肉麻地赞美韩朝宗谦恭下士、识拔人才,这就不涉及语言美学的问题,可以称为语言腐败。

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