寒假测试卷(11)A(教师用)
初中寒假考试题目及答案

初中寒假考试题目及答案一、单项选择题(每题2分,共20分)1. 以下哪个选项是正确的?A. 地球是平的B. 地球是圆的C. 地球是方的D. 地球是三角形的答案:B2. 太阳系中哪颗行星离太阳最近?A. 火星B. 金星C. 地球D. 水星答案:D3. 以下哪个选项是中国古代四大发明之一?A. 指南针B. 望远镜C. 显微镜D. 电话答案:A4. 以下哪种动物是哺乳动物?A. 鳄鱼B. 青蛙C. 蝙蝠D. 蜗牛答案:C5. 以下哪个选项是正确的?A. 光年是时间单位B. 光年是长度单位C. 光年是速度单位D. 光年是质量单位答案:B6. 以下哪个选项是正确的?A. 植物通过光合作用产生氧气B. 植物通过光合作用产生二氧化碳C. 植物通过呼吸作用产生氧气D. 植物通过呼吸作用产生二氧化碳答案:A7. 以下哪个选项是正确的?A. 地球自转的方向是自西向东B. 地球自转的方向是自东向西C. 地球公转的方向是自西向东D. 地球公转的方向是自东向西答案:A8. 以下哪个选项是正确的?A. 0的相反数是0B. 0的相反数是1C. 0的相反数是-1D. 0没有相反数答案:D9. 以下哪个选项是正确的?A. 1千克等于1000克B. 1千克等于100克C. 1千克等于10克D. 1千克等于0.1克答案:A10. 以下哪个选项是正确的?A. 2的平方等于4B. 3的平方等于4C. 4的平方等于4D. 5的平方等于4答案:A二、填空题(每题2分,共20分)1. 地球的自转周期是________天。
答案:12. 太阳系中最大的行星是________。
答案:木星3. 人体最大的器官是________。
答案:皮肤4. 光在真空中的传播速度是________米/秒。
答案:2997924585. 一个圆的周长公式是C=2πr,其中r代表________。
答案:半径6. 牛顿第一定律也被称为________定律。
答案:惯性7. 人体的正常体温大约是________摄氏度。
初一寒假教师版答案

老家的梦花树10、(4分)运用比喻,把馥郁的芳香比作柔美的轻音乐,突出了香气带给人的曼妙享受。
并且运用“颤悠”这个动词,化无形为有形,更强化了这种美感。
整个句子生动形象,优美动人。
(意对即可)11、(2+3=5分)无论是整个花树,还是一串花枝,都犹如一个天真的幻梦,浮在泥土之上,招惹人的眼球。
梦花树貌似丑陋,实则美丽明艳,并且它坚韧无畏,默默承受着岁月的沧桑。
12、(5分)不能。
因为本文是借物抒情,文中的梦花树不仅寄托了慈母对游子的思念与牵挂,更承载着游子对慈母对故土的魂牵梦萦。
因此,题目及文中多次出现的“老家”,是为了更强烈地抒发这种感情,不能删去。
高贵的生命不卑微1.(3分)交代了男孩的身份和他的自备心理,为下文情节展开作铺垫;与结尾形成照应,使得文章结构严谨。
(答出一点得2分,满分3分)2.(6分)(1)(3分)第①处“笑了”:女主演拉佛西被男孩的热情和纯真感染,感到高兴,决定满足男孩的愿望,为他签名。
第②处“笑了”:男孩为实现了自己的“计谋”而感到高兴。
(答出一点得2分,满分3分)(2)(3分)太阳就是信心和希望(1分)。
一美元的旧衣服都有办法高贵起来的事实,使得男孩从自备的阴影中走了出来,增强了自信,对生活、对未来充满了希望(2分)。
3.(5分)通过卖衣服,培养儿子的自信心,使他能走出自备并明白每个人都是高贵的,从而对生活充满希望(2分)。
第一次用亲情打动儿子去“试一试”,勇敢地走出第一步(走出自我)(1分);第二次鼓励儿子思考探索,想办法提高衣服的价值,进一步增强儿子的自信心(挑战自我)(1分);第三次进一步激发儿子的潜能,提高儿子对自我能力和自我价值的认识(超越自我)(1分)。
4.(4分)生命不因种族、肤色、贫富而有贵贱之分,每个人(每个生命)都是高贵的,不要妄自菲薄(自卑)(2分);只要不丧失希望,努力学习,刻苦锻炼,积极探索,不断奋斗,就能实现自我价值,甚至超越自我,终而获得成功,实现理想(2分)。
初一寒假考试题目及答案

初一寒假考试题目及答案一、选择题(每题2分,共10分)1. 下列哪个选项是正确的?A. 地球是平的B. 地球是圆的C. 地球是方的D. 地球是三角形的答案:B2. 以下哪个国家是亚洲国家?A. 巴西B. 法国C. 中国D. 澳大利亚答案:C3. 以下哪个选项是化学元素?A. 金B. 银C. 铜D. 所有选项答案:D4. 以下哪个选项是正确的数学表达式?A. 2 + 3 = 5B. 2 × 3 = 6C. 2 ÷ 3 = 0.6D. 2 - 3 = -1答案:D5. 以下哪个选项是正确的物理单位?A. 速度的单位是米每秒(m/s)B. 质量的单位是千克(kg)C. 力的单位是牛顿(N)D. 所有选项答案:D二、填空题(每题2分,共10分)6. 请填写下列历史事件的时间:中国抗日战争胜利的时间是______年。
答案:19457. 请填写下列数学公式:圆的面积公式是______。
答案:πr²8. 请填写下列化学元素的符号:铁的元素符号是______。
答案:Fe9. 请填写下列地理名称:世界上最大的洋是______。
答案:太平洋10. 请填写下列物理公式:牛顿第二定律的公式是______。
答案:F = ma三、简答题(每题5分,共20分)11. 请简述牛顿第三定律的内容。
答案:牛顿第三定律指出,对于两个相互作用的物体,它们之间的力是相互的,大小相等,方向相反。
12. 请解释为什么地球是圆的而不是平的。
答案:地球是圆的,因为重力作用于地球表面,使得物质向中心聚集,形成球形。
此外,地球自转产生的离心力也有助于维持其球形。
13. 请列举三个亚洲的主要国家。
答案:中国、日本、印度。
14. 请简述光合作用的过程。
答案:光合作用是植物、藻类和某些细菌利用光能将二氧化碳和水转化为葡萄糖和氧气的过程。
四、计算题(每题10分,共20分)15. 一个物体的质量是5千克,如果施加10牛顿的力,求物体的加速度。
小学生寒假考试题及答案

小学生寒假考试题及答案一、选择题(每题2分,共20分)1. 下列哪个选项是正确的?A. 地球是平的B. 太阳从西边升起C. 一年有365天D. 月亮是地球的卫星答案:C2. 我国的首都是哪里?A. 上海B. 广州C. 北京D. 深圳答案:C3. 下列哪个动物是哺乳动物?A. 鳄鱼B. 蛇C. 鲸鱼D. 乌龟答案:C4. 世界上最长的河流是?A. 黄河B. 长江C. 尼罗河D. 亚马逊河答案:C5. 以下哪个数字是质数?A. 4B. 6C. 9D. 11答案:D6. 以下哪个选项是正确的?A. 春天是一年四季中的第一个季节B. 夏天是一年四季中的第一个季节C. 秋天是一年四季中的第一个季节D. 冬天是一年四季中的第一个季节答案:A7. 以下哪个选项是正确的?A. 地球是太阳系的第八大行星B. 地球是太阳系的第四大行星C. 地球是太阳系的第二大行星D. 地球是太阳系的第三大行星答案:B8. 以下哪个选项是正确的?A. 植物通过光合作用产生氧气B. 植物通过呼吸作用产生氧气C. 植物通过光合作用产生二氧化碳D. 植物通过呼吸作用产生二氧化碳答案:A9. 以下哪个选项是正确的?A. 人类是两栖动物B. 人类是哺乳动物C. 人类是爬行动物D. 人类是鸟类答案:B10. 以下哪个选项是正确的?A. 人体的心脏有四个腔室B. 人体的心脏有三个腔室C. 人体的心脏有两个腔室D. 人体的心脏有一个腔室答案:A二、填空题(每题2分,共20分)1. 我国的国旗是________。
答案:五星红旗2. 世界上最高的山峰是________。
答案:珠穆朗玛峰3. 我国的国宝动物是________。
答案:大熊猫4. 一年有________个季节。
答案:四5. 人体最大的器官是________。
答案:皮肤6. 世界上最大的海洋是________。
答案:太平洋7. 我国的国花是________。
答案:牡丹8. 世界上最大的沙漠是________。
初三下册物理寒假功课测试卷

初三下册物理寒假功课测试卷查字典物理网为大家搜集整理了初三下册物理寒假作业测试题,希望大家可以用心去做,不要只顾着玩耍哦!1. 蜜蜂采蜜归来,发出声音的音调变低.原因是负重增加的情况下,蜜蜂翅膀扇动的频率A.变高B.变低C.不变D.无法判断2. 严寒的冬季,有时会在屋檐下看到冰凌.水变成冰凌所发生的物态变化是A.凝固B.液化C.熔化D.升华3. 平静的湖面映出岸边的景物. 在这个现象中平静的湖面相当于A.凸透镜B.凹透镜C.平面镜D.凹面镜4. 东汉«论衡»一书中提到顿牟掇芥,指的是摩擦过的玳瑁(海龟)外壳吸引草屑的现象,这种吸引力是A.分子间引力B.电荷间引力C.磁极间引力D.摩擦力5. 把常温下装满水的玻璃杯与一个空玻璃杯同时放入冰箱冷藏室中. 过一会儿,发现空玻璃杯比装满水的玻璃杯要冷得多,这种现象产生的主要原因是水的A.凝固点低B.凝固点高C.比热容大D.比热容小6. 有一种手摇式手电筒,握住手电筒来回晃动就能使灯泡通电发光,这说明手电筒内部有A.发电机B.电动机C.电磁继电器D.电磁铁7. 要将玉兔号月球车探测到的信息传回地球必须依靠A.超声波B.次声波C.紫外线D.电磁波8. 家庭电路中,以下哪种情况会使熔丝熔断A.停电B.关闭空调C.电路发生短路D.打开冰箱门9. 使用以下哪种能源最有利于环境保护A.煤B.石油C.木柴D.太阳能10. 如下图,一辆汽车沿直线行驶,紧急刹车时,轮胎在水泥地面上留下了黑色的刹车痕,以下关于刹车痕的说法正确的选项是A. 前轮刹车痕的颜色较深B. 后轮刹车痕的颜色较深C. 前轮和后轮刹车痕的颜色一样深D. 以上三种情况都有可能初三下册物理寒假作业测试题就分享到这里了,更多相关内容请点击查看查字典物理网初三物理寒假作业栏目页!。
寒假作业北师大版初三寒假物理作业答案_0789文档

2020寒假作业北师大版初三寒假物理作业答案_0789文档EDUCATION WORD寒假作业北师大版初三寒假物理作业答案_0789文档前言语料:温馨提醒,教育,就是实现上述社会功能的最重要的一个独立出来的过程。
其目的,就是把之前无数个人有价值的观察、体验、思考中的精华,以浓缩、系统化、易于理解记忆掌握的方式,传递给当下的无数个人,让个人从中获益,丰富自己的人生体验,也支撑整个社会的运作和发展。
本文内容如下:【下载该文档后使用Word打开】(一)一、选择:1.B2.D3.B4.B5.D6.ABC二、填空:7.银河系8.物质化学性质、10-10m、电子显微镜9.体积、形状10.形状、一定体积、压缩11.分子、原子、原子核12.固态、液态、气态、物理13.小、大三、综合题:14.略(二)一、选择:1.B2.B3.C4.B5.AC6.C7.BD8.D二、填空:9.物质的多少、m10.82.2g不变11.天平、台秤、案秤、电子秤12.300、3×108、20、2×10713.g、mg、kg、三、综合题:略(三)一、选择:1.A2.A3.C4.D.二、填空:5.一半、一半、一倍6.2.7×103千克每立方米1立方米铝的质量是2.7×103kg7.5×10-5kg8.DBACE三、综合题:9.3.125kg10.0.82×103kg/m32.46×104kg11.空心、20cm3(四)一、选择:1.C2.A3.C4.D5.D二、填空:6.DCBEA7.质量、体积、ρ=m/V8.能够9.77.4g、30cm32.58×103kg/m310.小三、综合题:略(五)一、选择:1.B2.C3.A4.B5.A二、填空:6.增大减少7.三、综合题:8.0.85×103kg/m39.2.55×104m310.略11.空心、20cm3(六)一、选择:1.A2.C3.A4.D5.C6.D二、填空:7.1立方米水的质量是1×103kg8.变大不变9.水平、平衡螺母、右、减少、游码10.200、45、32、3.2×10-57.811.G、计算油的质量DEABCFG三、综合题12.1428块(七)一、选择题:1.D2.ACD3.B4.B5.D6.C7.A8.BD9.ABD二、填空题:10.参照物、参照物、相对11.研究对象、参照物12.太阳、航天飞机13.静止、运动14.运动、汽车15.静止、运动16.运动、静止、运动三、综合题:17.以其中一辆车为参照物、地面、都向东运动(八)一、选择题:1.BC2.D3.C4.B5.BC6.C二、填空题:7.运动快慢、路程与时间比V=m/s、km/h8.变速总体、变速、乌龟、兔子9.物体沿着直线快慢不变的运动10.3.6、36、20、194.4。
教师寒假培训测试题及答案

一、判断题(请判断下列说法是否正确并在题后括号内打“√”或“×”,每小题1分,共5分。
)1、爱岗敬业是师德的基本要求。
(√)2、教师职业道德的重要在于学而不在于做。
(×)3、教育者崇高的道德品质是教育获得成功最重要的前提。
(√)4、教师讥讽学生的行为不恰当但并不违反师德。
(×)5、处罚和宽容都是教育,宽容比处罚更有影响力。
(√)二、单项选择题(请将你认为最符合题意的选项填入题后的括号内,每题0.5分,共5分)1、中小学教师职业道德建设在教师对待教育事业的较高道德目标是(A)A.献身于人民的教育事业B.忠于职守C.为人师表D.积极进取2、《中华人民共和国教师法》开始施行的时间是(B)A.1949年10月1日B.1994年1月1日C.1995年9月10日D.1995年1月1日3、《中华人民共和国教育法》开始实施的时间是(D)A.1949年9月10日B.1994年9月10日C.1995年9月10日D.1995年9月1日4、孔子提出“有教无类”的主张,体现师德规范中(A)A.热爱学生B.严谨治学C.为人师表D.以法执教5、教师自我修养应该是(B)A.坐而论道B.知行统一C.养成习惯D.闭门造车6、教师劳动区别于其他行业劳动的显著特征是(A)A.示范性B.社会性C.复杂性D.个体性7、孔夫子所说的的“其身正,不令而行;其身不正,虽令不行”,从教师的角度来说可以理解为(D)A.走路身体一定要端正。
B.对学生下命令一定要正确。
C.自己做好了,不要教育学生,学生自然会学好。
D.教师自己以身作则,其一言一行都会对学生产生巨大的影响。
8、从教师个体职业良心形成的角度看,教师的职业良心首先会受到(A)A.社会生活和群体的影响B.教育对象的影响C.教育法规的影响D.教育原则的影响9、教师要成功进行自己的人格修养,最好采取哪种策略(C)A.“取法乎下”B.“取法乎中”C.“取法乎上”D.“无法即法”10、教师在履行教育义务的活动中,最主要、最基本的道德责任是(C)A.依法执教B.教书育人C.爱岗敬业D.团结协作三、简答题(3分)新修订的《中小学教师职业道德规范》的基本内容是什么?答:《中小学教师职业道德规范》的基本内容包括爱国守法、爱岗敬业、关爱学生、教书育人、为人师表、终身学习六个内容。
2023年高三数学寒假作业11(Word含答案解析)

2023年高三数学寒假作业十一(时间:45分钟 分值:80分)一、选择题(本大题共12小题,每小题5分,共60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,把正确选项填在答题卡的相应位置) 1.设集合A={x|-2<x<4},B={2,3,4,5},则A ∩B= ( ) A .{2} B . {2,3} C .{3,4}D . {2,3,4}2.已知复数z=1+√2i(i 为虚数单位),设z 是z 的共轭复数,则z ·z = ( ) A .√2 B .√3 C .2D .33.a 2>b 2的一个充要条件是 ( )A .a>bB .a>|b|C .|a|>|b|D .1a >1b4.教育部办公厅于2021年1月15日发布了《关于加强中小学生手机管理工作的通知》,通知要求中小学生原则上不得将个人手机带入校园.某学校为了解2000名学生的手机使用情况,将这些学生编号为1,2,…,2000,从这些学生中用系统抽样方法抽取200名学生进行调查.若58号学生被抽到,则下面4名学生中被抽到的是 ( )A .9号学生B .300号学生C .618号学生D .816号学生5.在△ABC 中,AB=4,AC=2,点M 是BC 的中点,则BC ⃗⃗⃗⃗⃗ ·AM ⃗⃗⃗⃗⃗⃗ 的值为 ( ) A .-6 B .6 C .-8D .86.已知双曲线的离心率为2,其两条渐近线的夹角为α,则tan α= ( ) A .√33B .√3C .-√3D .√3或-√37.我国某电子公司于2020年6月底推出了一款领先于世界的5G 电子产品.现调查得到该5G 产品上市时间代码x 和市场占有率y (单位:%)的一些对应数据,根据这些数据得到如图X13-1所示的折线图,其中横轴1代表2020年8月,2代表2020年9月……5代表2020年12月,根据数据得出y 关于x 的线性回归方程为y =0.042x+a .若用此方程分析并预测该产品市场占有率的变化趋势,则该产品市场占有率最早能超过0.5%的时间是(精确到月)( )图X13-1A .2021年5月B .2021年6月C .2021年7月D .2021年8月8.函数f (x )=A sin(ωx+φ)A>0,ω>0,|φ|<π2的部分图像如图X13-2所示,则fπ3= ( )图X13-2A .√32B .12 C .-√3D .√39.已知9x =4y =√6,则(x+y )2x 2y 2= ( )A .25B .16C .9D .410.已知△ABC 的内角A ,B ,C 的对边分别为a ,b ,c ,若a cos B+b cos A=3c cos C ,a sin A-c sin C+b sin A=0,则ba = ( ) A .53 B . 73 C . 72D . 5211.一个圆锥的底面圆周和顶点都在一个球面上,已知圆锥的底面面积与球的表面积的比值为29,则这个圆锥的体积与球的体积的比值为( )A .881B .827 C .481或881D .427或82712.已知函数f (x )=k e -x 的图像在x=0处的切线与直线x-2y-1=0垂直,若x 1,x 2(x 1<x 2)是函数g (x )=f (x )-|ln x|的两个零点,则 ( )A .|x 1-x 2|>2B .x 1+x 2>eC .1e 2<x 1x 2<1eD .1e <x 1x 2<1二、填空题(本大题共4小题,每小题5分,共20分)13.若偶函数f (x )满足f (x+4)=f (x ),f (-1)=-1,则f (2021)= .14.已知sin 230°+sin 290°+sin 2150°=32,sin 25°+sin 265°+sin 2125°=32,通过观察上述两个等式的规律,请你写出一般性的命题: .15.在平面直角坐标系xOy 中,已知点A (0,-1),P (t ,t-2),若动点M 满足|MA ||MO |=√2(O 为坐标原点),则|MP|的最小值是 .16.已知数列{a n },{b n }均为各项都是正数的等比数列,P n ,Q n 分别为数列{a n },{b n }的前n 项积,且ln P n ln Q n=5n -72n,则ln a3ln b 3的值为 .答案1.B [解析] 由题设知A ∩B={2,3},故选B .2.D [解析] 因为复数z=1+√2i,所以z =1-√2i,故z ·z =(1+√2i)(1-√2i)=12+(√2)2=3.3.C [解析] 当a=2,b=-4时,a>b 成立,但a 2>b 2不成立,∴A 错误;当a=-6,b=-4时,a 2>b 2成立,但a>|b|不成立,∴B 错误;a 2>b 2⇔|a|>|b|,∴C 正确;当a=2,b=-4时,1a >1b 成立,但a 2>b 2不成立,∴D 错误.故选C .4.C [解析] 记被抽取到的学生的编号构成数列{a n },则{a n }为等差数列,公差d=10,所以a n =a 1+10(n-1),由58是数列{a n }中的项,可得a 1=8,所以a n =10n-2,所以编号为618的学生可以被抽取到.故选C .5.A [解析] ∵在△ABC 中,AB=4,AC=2,点M 是BC 的中点,∴BC ⃗⃗⃗⃗⃗ ·AM ⃗⃗⃗⃗⃗⃗ =(AC⃗⃗⃗⃗⃗ -AB ⃗⃗⃗⃗⃗ )·12(AC ⃗⃗⃗⃗⃗ +AB ⃗⃗⃗⃗⃗ )=12(AC ⃗⃗⃗⃗⃗ 2-AB⃗⃗⃗⃗⃗ 2)=12×(22-42)=-6.故选A .6.B [解析] 根据题意,设双曲线方程为x 2a2-y 2b2=1(a>0,b>0),则e=ca=2,即c=2a ,则b=√c 2-a 2=√3a ,即b a =√3.又双曲线的渐近线方程为y=±ba x ,所以该双曲线的渐近线方程为y=±√3x ,则两条渐近线的夹角为π3,故tan α=√3.故选B . 7.D [解析] 根据表中数据,计算得x =15×(1+2+3+4+5)=3,y =15×(0.02+0.05+0.10+0.15+0.18)=0.1,代入回归方程,得0.1=0.042×3+a ,解得a =-0.026,所以线性回归方程为y =0.042x-0.026.由0.042x-0.026>0.5,解得x ≥13,则预计上市13个月时,即最早在2021年8月市场占有率能超过0.5%.故选D . 8.D [解析] 由函数f (x )=A sin(ωx+φ)的部分图像知,A=2,34T=11π3-2π3=3π,则T=4π=2πω,∴ω=12.又f2π3=2sin12×2π3+φ=2,∴12×2π3+φ=2k π+π2,k ∈Z,解得φ=2k π+π6,k ∈Z,∵|φ|<π2,∴φ=π6,∴f (x )=2sin 12x+π6,∴fπ3=2sin12×π3+π6=2sin π3=√3.故选D .9.B [解析] 由9x =4y =√6,得x=log 9√6=14log 36,y=log 4√6=14log 26,∴1x =4log 63,1y =4log 62,∴(x+y )2x 2y 2=x 2+2xy+y 2x 2y 2=1x2+1y2+2xy=1x +1y2=(4log 63+4log 62)2=(4log 66)2=16.故选B .10.A [解析] 在△ABC 中,由正弦定理及a cos B+b cos A=3c cos C ,得sin A cos B+cos A sin B=3sin C cos C ,所以sin(A+B )=sin C=3sin C cos C ,又sin C ≠0,所以cos C=13.由正弦定理及a sin A-c sin C+b sin A=0,得a 2-c 2=-ab ,又由余弦定理得cos C=a 2+b 2-c 22ab=b 2-ab 2ab=13,所以b a-1=23,得b a =53.故选A .11.D [解析] 不妨设球的表面积为4πR 2,由圆锥的底面面积是这个球的表面积的29,可得圆锥的底面面积为8πR 29,则圆锥的底面半径r=2√23R.由几何体的特征知,球心到圆锥底面的距离、球的半径以及圆锥底面圆的半径三者满足勾股定理,由此可以求得球心到圆锥底面的距离是√R 2-r 2=13R ,则当球心不在圆锥内部时,圆锥的高为R-13R=23R ,当球心在圆锥内部时,圆锥的高为R+13R=43R.故圆锥的体积与球的体积的比值为13π(2√23R) 2·23R 43π·R 3=427或13π(2√23R) 2·43R 43π·R 3=827,故选D .12.C [解析] f (x )=k e -x 的导函数为f'(x )=-k e -x ,可得f (x )的图像在x=0处的切线斜率为-k.由切线与直线x-2y-1=0垂直,可得-k=-2,解得k=2,则f (x )=2e -x .令g (x )=0,则|ln x|=2e -x ,作出y=|ln x|和y=2e -x 的图像,如图所示,可知两图像恰有两个交点,其横坐标分别为x 1,x 2,易知|ln x 1|>|ln x 2|,0<x 1<1,x 2>1,可得1x 1>x 2,即x 1x 2<1.又g1e 2=2e -1e 2-2<0,g1e=2e -1e -1>0,可得1e 2<x 1<1e ,则x 1x 2>1e 2.由g1e 2<0对x 1取值范围的右边界进一步缩小范围,易知g e -32>0,又x 2>1,g (√e )<0,可得x 1∈1e 2,e -32,x 2∈(1,√e ),故1e 2<x 1x 2<1e .故选C .13.-1 [解析] ∵f (x+4)=f (x ),∴f (x )是以4为周期的周期函数,又函数f (x )是偶函数,∴f (2021)=f (505×4+1)=f (1)=f (-1)=-1.14.sin 2(α-60°)+sin 2α+sin 2(α+60°)=32 [解析] 由已知sin 230°+sin 290°+sin 2150°=32,sin 25°+sin 265°+sin 2125°=32,归纳推理出一般性的命题为sin 2(α-60°)+sin 2α+sin 2(α+60°)=32.证明如下:左边=1-cos (2α-120°)2+1-cos2α2+1-cos (2α+120°)2=32-12[cos(2α-120°)+cos 2α+cos(2α+120°)]=32=右边,故结论正确.故答案为sin 2(α-60°)+sin 2α+sin 2(α+60°)=32.15.√22[解析] 设点M 的坐标为(x ,y ),因为|MA ||MO |=√2,所以√x 2+(y+1)2√x 2+y 2=√2,整理得x 2+(y-1)2=2.由点P (t ,t-2),可得点P 在直线x-2=y ,即x-y-2=0上,则圆心(0,1)到直线x-y-2=0的距离d=√12+(-1)=3√22,则|MP|的最小值是3√22-√2=√22. 16.95 [解析] 设等比数列{a n }的公比为q (q>0),则ln a n+1-ln a n =lna n+1a n=ln q (常数),所以数列{lna n }为等差数列.同理可知,数列{lnb n }也为等差数列.ln P 5=ln(a 1a 2a 3a 4a 5)=ln a 1+ln a 2+ln a 3+ln a 4+ln a 5=5(ln a 1+ln a 5)2=5ln a 3.同理可得ln Q 5=5ln b 3.因此ln a 3ln b 3=5ln a 35ln b 3=ln P 5ln Q 5=5×5-72×5=95.。
七年级寒假质量检测试题

瓯海区实验中学2021-2021学年七年级语文寒假质量检测试题制卷人:歐陽文化、歐陽理複;制卷時間:二O二二年二月七日〔满分是:100分考试时间是是:120分钟〕亲爱的同学们:热闹的新年过完了,寒假里你有没有做到温故而知新呢?如今拿起你们的笔,展开你智慧和自信的双翼,乘风破浪,你定能收获无限风光。
温馨提示:1、答卷前将装订线内的、班级、姓名、考号填写上清楚、正确。
2、答题时,切记..答案要填在答题卷上,不要弄错题号,答在试题卷上之答案无效。
一、书写(2分)1.写好一手字是对语文根本才能的要求之一,把下面一句话抄写在格子里,要求写得工整、美观。
汉字书写是艺术,因为汉字的构造和造型便于书写者表达自己的审美认识、人生修养和思想感情。
二、语言的积累与运用〔22分〕2、用课文原句填空〔8分〕⑴潮平两岸阔,。
〔王湾?次北固山下?〕⑵,谁家新燕啄春泥。
〔白居易?钱塘湖春行?〕⑶烈土暮年,。
〔曹操?龟虽寿?〕(4) _ ,小桥流水人家。
〔马致远?秋思?〕(5)学而不思那么罔,。
〔?为政?〕(6)三人行,必有吾师焉。
择其善者而从之,。
〔?述而?〕(7)鸟儿将巢安在繁花嫩叶当中,快乐起来了,呼朋引伴地卖弄清脆的喉咙,_______________ ,____ 。
3、给下面这个句子中的带点字注音。
〔2分〕每一朵盛开的花又像一个忍俊不禁.〔〕的笑容,就要绽.〔〕开似的。
4、以下词语中没有错别字的一项是哪一项〔〕〔2分〕A.擎天撼地海天相吻灯红酒绿B.心痛如割绝处逢声乐道C.头晕目炫无忧无虑问心无愧D.天灾人祸禄禄终身举世无双5、以下句子中加点词语内容理解不正确的一项是哪一项〔〕〔2分〕A.在这个充满车辆与烟囱的城里,我们的存在只是一种悲凉的点缀..。
〔这里是指行道树作为这个城的衬托和装饰。
〕B.我决定委屈..儿子,因为我伴同他的时日还长。
〔使儿子受到委屈〕C.但理想有时候又是海天相吻的弧线,可望而不可即......,折磨着你进取的心。
浙江省杭州市萧山九中10-11学年高二数学寒假作业试题 理 新人教A版

萧山九中寒假作业(一)高二(理) 数学学科一、选择题(1)下列命题为真命题的是( )(A )平行于同一平面的两条直线平行 (B )垂直于同一平面的两条直线平行 (C )与某一平面成等角的两条直线平行 (D )垂直于同一直线的两条直线平行 (2)若一个角的两边分别和另一个角的两边平行,那么这两个角( )(A )相等 (B )互补 (C )相等或互补 (D )无法确定 (3)正三棱锥的底面边长为2,侧面均为直角三角形,则此棱锥的体积为( )(A )3(B(C (D (4)已知PD ⊥矩形ABCD 所在的平面,图中相互垂直的平面有( )(A )2对 (B )3对 (C )4对 (D )5对(5)如果一个水平放置的图形的斜二测直观图是一个底面为45°,腰和上底均为1的等腰梯形,那么原平面图形的面积是( )(A )2 (B )12+ (C )22+ (D )1(6)点P(x,y)在直线x+y-4=0上,O 是坐标原点,则│OP │的最小值是( ) (A )7 (B ) 6 (C )2 2 (D ) 5(7)直线L 1:ax+3y+1=0, L 2:2x+(a+1)y+1=0, 若L 1∥L 2,则a=( ) A .-3 B .2 C .-3或2 D .3或-2(8)过点P (4,-1)且与直线3x -4y +6=0垂直的直线方程是( )(A )4x +3y -13=0 (B )4x -3y -19=0 (C )3x -4y -16=0 (D )3x +4y -8=0 (9)已知点(a ,2)(a >0)到直线l :x -y +3=0的距离为1,则a 等于( )(A )2 (B )22- (C )12- (D )1+2 (10)若圆1)2()2(:221=-++y x C ,16)5()2(:222=-+-y x C ,则1C 和2C 的位置关系是( )(A )外离 (B )相交 (C )内切 (D )外切 二、填空题(11)底面直径和高都是4cm 的圆柱的侧面积为 cm 2. (12)若两个球的表面积之比是4∶9,则它们的体积之比是 .(13)图①中的三视图表示的实物为_____________;图②为长方体积木块堆成的几何体的三视图,此几何体共由_______块木块堆成.(14)直线33+=x y 的倾斜角的大小为 .(15)方程03=-+y kx 所确定的直线必经过的定点坐标是 .(16)设M 是圆9)3()5(22=-+-y x 上的点,则M 到直线0243=-+y x 的最长距离是 . 三、解答题(17)如图,O 是正方形ABCD 的中心,PO ⊥底面ABCD ,E 是PC 的中点. 求证:(Ⅰ)PA ∥平面BDE ;(Ⅱ)平面PAC ⊥平面BDE .(18)已知圆台的上、下底面半径分别是2、6,且侧面面积等于两底面面积之和.(Ⅰ)求该圆台的母线长; (Ⅱ)求该圆台的体积.(19)已知三角形ABC 的顶点坐标为A (-1,5)、B (-2,-1)、C (4,3),M 是BC 边上的中点.(Ⅰ)求AB 边所在的直线方程; (Ⅱ)求中线AM 的长. 图①正视图 左视图 俯视图俯视图正视图 左视图 O(20))一圆与y 轴相切,圆心在直线03=-y x 上,在x y =上截得的弦长为72,求此圆的方程.(21)为了绿化城市,准备在如图所示的区域内修建一个矩形PQRC 的草坪,且PQ ∥BC,RQ ⊥BC,另外△AEF的内部有一文物保护区不能占用,经测量AB=100m,BC=80m,AE=30m,AF=20m .(1) 求直线EF 的方程(4 分 ).(2) 应如何设计才能使草坪的占地面积最大?萧山九中寒假作业(二)高二(理) 数学学科一、选择题1、命题:“若12<x ,则11<<-x ”的逆否命题是( )A.若12≥x ,则11-≤≥x x ,或 B.若11<<-x ,则12<x C.若11-<>x x ,或,则12>x D.若11-≤≥x x ,或,则12≥x 2.抛物线281x y -=的准线方程是( ) A . 321=x B . 2=y C . 321=y D . 2-=y 3.设命题甲为:05x <<,命题乙为23x -<,则甲是乙的( )A .充分不必要条件B .必要不充分条件C .充要条件D .既不充分又不必要条件4.已知12,F F 是椭圆的两个焦点,过1F 且与椭圆长轴垂直的直线交椭圆于A ,B 两点,若⊿AB 2F 是正三角形,则这个椭圆的离心率为( )AD5.已知(1,1,),(1,,1)t t t t =+=-a b ,则||-a b 的最小值为( )ABC .2D .46.过抛物线 y 2 = 4x 的焦点作直线交抛物线于A (x 1, y 1)B (x 2, y 2)两点,如果21x x +=6,那么AB =( )A. 6B. 8C. 9D. 107. 在直角坐标系中,)3,2(-A ,)2,3(-B 沿x 轴把直角坐标系折成0120的二面角,则此时线段AB 的长度为( )A .52B .112C . 25D .248.正方体A-C 1中,棱长为1,M 在棱AB 上,AM=1/3,P 是面ABCD 上的动点,P 到线A 1D 1的距离与P 到点M 的距离平方差为1,则P 点的轨迹以下哪条曲线上? ( ) A .圆 B. 椭圆 C.双曲线 D.抛物线二、填空题9.若方程11222=-+-k y k x 表示的图形是双曲线,则k 的取值范围为 . 10.已知空间三点的坐标为)2,5,1(-A ,)1,4,2(B ,)2,3,(+q p C ,若A 、B 、C 三点共线,则=+q p 。
西安2024年统编版小学三年级第11次英语第三单元寒假试卷[含答案]
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西安2024年统编版小学三年级英语第三单元寒假试卷[含答案]考试时间:100分钟(总分:110)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题)1、听力题:The chemical symbol for sodium is ______.2、听力题:______ are substances that can conduct electricity.3、听力题:She is ___ a song. (singing)4、听力题:The _____ (会议室) is ready for the meeting.5、填空题:The kitten plays with a _________. (球)6、填空题:The __________ (历史的遗产) needs to be preserved.7、填空题:In the fall, we can see many ______ (南飞的鸟).8、填空题:The _______ (青蛙) has long legs.9、听力题:The process of ______ can lead to the creation of new ecosystems.10、What kind of animal is a dolphin?A. FishB. MammalC. ReptileD. Amphibian答案: B11、听力题:Metamorphic rocks are formed from existing rocks that change due to ______ and pressure.12、What is the name of the largest desert in the world?A. Sahara DesertB. Arabian DesertC. Gobi DesertD. Kalahari Desert答案:A13、听力题:The flowers are ______ beautifully in the garden. (blooming)14、填空题:I have a giant ________ (玩具名称) in my backyard.15、填空题:I have a teddy bear. Its name is ______ (小熊). It is very ______ (可爱).16、What is the capital of Greece?a. Athensb. Romec. Parisd. Istanbul答案:A17、填空题:The ancient city of Babylon was known for its _______. (空中花园)18、听力题:She is ___ her hair. (combing)19、What do you call the main character in a story?A. ProtagonistB. AntagonistC. HeroD. Villain答案: A20、听力题:My sister has a knack for ____ (writing).21、What do we call the study of living organisms?A. BiologyB. ChemistryC. PhysicsD. Geology答案: A22、选择题:What is the name of the game played with a round ball and goals?A. TennisB. BasketballC. SoccerD. Baseball23、What do we call a shooting star?A. AsteroidB. MeteorC. CometD. Satellite24、What is the term for a baby chicken?A. DucklingB. ChickC. GoslingD. Calf答案:B25、听力题:The main gas produced during respiration is _____.26、填空题:The ________ dances in the wind.27、填空题:I want to _______ (学会)如何制作蛋糕.28、填空题:I can tell stories with my ________ (玩具).29、填空题:The _____ (乌鸦) is known for its intelligence and problem-solving skills. 乌鸦以其聪明才智和解决问题的能力而闻名。
寒假教师培训心理测试题及答案

寒假教师培训心理测试题及答案一、选择题(每题5分,共40分)1. 以下哪项最能体现教师的职业责任心?A. 提供充足教学资源B. 关心学生的学业和生活C. 完成工作任务D. 总是准时到校2. 当学生在课堂上提出一个错误的观点,教师应该?A. 直接驳斥学生的错误观点B. 过多的追求废话C. 尊重学生的观点,引导学生回答问题D. 不回答学生的问题3. 教师在课堂上应怎样管理学生?A. 命令学生无条件遵守规则B. 给学生提供自由空间C. 建立积极互动的氛围D. 任由学生为所欲为4. 教师在与家长沟通时应该注意?A. 不回应家长的问题和疑虑B. 只关注学生的学习情况C. 积极聆听家长的意见和建议D. 始终坚持自己的观点5. 教师在处理学生冲突时,正确的做法是?A. 要求学生自行解决冲突B. 避开冲突,不予干预C. 公正的对待每一个学生D. 只关注冲突的一方6. 以下哪项是评价教师综合素质的重要标准?A. 教师的学历和资历B. 教师的个人魅力和气质C. 教师的教学经验和教学成果D. 教师是否乐于助人7. 教师在面对学生纪律问题时,应该?A. 采取严厉的纪律措施B. 与学生进行心理沟通,了解原因C. 忽视学生的行为D. 尽量避免与学生互动8. 以下哪项是促进学生参与课堂的重要方法?A. 只使用传统的教学方式B. 创设互动平台,鼓励学生参与C. 忽略学生的意见和建议D. 只关注学习成绩,忽视学生兴趣二、问答题(每题10分,共40分)1. 请简述三个提高学生学习动机的方法。
答案:(例)首先,教师可以通过激发学生学习兴趣来提高学习动机。
这包括在教学过程中使用丰富多样的教学资源,并与学生互动交流,增加学生参与感。
其次,教师可以鼓励学生设定学习目标,并给予适当的奖励和认可,以激发他们的学习动力。
最后,教师还可以提供合适的挑战和自主学习的机会,鼓励学生探索和发现知识,增强他们的主动性和积极性。
2. 你认为教师在发现学生存在心理问题时应该如何处理?请简要阐述你的观点。
昆明“PEP”2024年11版小学A卷英语第2单元寒假试卷(含答案)

昆明“PEP”2024年11版小学英语第2单元寒假试卷(含答案)考试时间:90分钟(总分:140)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题)1、填空题:The __________ (古代中国) made significant advancements in science.2、听力题:My birthday is in ___. (April)3、Which season is cold?A. SummerB. AutumnC. WinterD. Spring答案:C4、Which fruit is known as the "king of fruits" in some cultures?A. MangoB. DurianC. BananaD. Apple答案:B5、听力题:The _______ of a pendulum can be affected by air resistance.6、听力题:Hydrochloric acid is found in the __________.7、填空题:The _____ (柳树) sways in the wind.8、填空题:Christopher Columbus is known for discovering __________. (美洲)9、听力题:The boy likes ________.10、填空题:I find math _______.11、填空题:The lizard basks in the _________. (阳光)12、circular economy) minimizes waste through reuse. 填空题:The ____13、What do we call a large-scale destruction caused by natural forces?a. Disasterb. Catastrophec. Crisisd. Emergency答案:b14、听力题:We had a _____ (party/picnic) last weekend.15、听力题:A reaction that produces a change in color indicates a ______ reaction.16、填空题:The hedgehog rolls into a _______ (球) when scared.17、填空题:I can see _______ (很多星星) tonight.18、填空题:The _______ (The American Revolutionary War) was fought for independence from Britain.19、填空题:I saw a _______ (猫) sleeping in the sun.20、听力题:A volcano that has not erupted in a long time is called a ______ volcano.21、填空题:The ocean is a beautiful place to explore. I love swimming and looking for ______ (贝壳) on the beach.22、What is the capital city of Italy?A. FlorenceB. VeniceC. RomeD. Milan答案: C23、What do we call the process of creating a new organism through reproduction?A. FertilizationB. GerminationC. DevelopmentD. Reproduction答案: D. Reproduction24、填空题:A garden can attract ______ (鸟类).25、听力题:The fire is _______ (crackling) in the fireplace.26、What is the name of the famous cat in "The Cheshire Cat"?A. GarfieldB. Hello KittyC. Cheshire CatD. Sylvester答案:C27、听力题:A suspension is a heterogeneous mixture where solid particles _____ (settle) over time.28、填空题:Her _____ (魔法棒) makes things disappear.29、听力题:She wants to be a ________.30、听力题:The frog is ___ (jumping).31、听力题:I enjoy _____ (聊天) with friends.32、填空题:My cat likes to chase the _____.The __________ (花香) fills the air in spring.34、听力题:The __________ is very noisy.35、填空题:I like to ______ (参与) in school plays.36、填空题:The __________ (历史的复杂层面) reveal nuances.37、填空题:The scientist analyzes _____ (数据) for research.38、听力题:The study of chemicals and their reactions is known as _______.39、听力题:The game is very ________.40、How many planets are in our solar system?A. 8B. 9C. 7D. 10答案:A41、听力题:The park is ___ (full/empty) of kids.42、听力题:The baby is _____ in its crib. (sleeping)43、听力填空题:I enjoy painting. My favorite color to use is __________.44、听力题:I hear a ___. (bell)45、What is the name of the famous ancient city in Mexico?A. TeotihuacanB. Chichen ItzaC. TulumD. Copan答案:B. Chichen ItzaThe _____ is the area around a star where planets can form.47、填空题:The ancient Romans enjoyed _____ in their amphitheaters.48、What do you call a pyramid-shaped structure built by the ancient Egyptians?A. PalaceB. TempleC. PyramidD. Fortress答案:C49、填空题:My ________ (玩具名称) helps me with my math skills.50、填空题:A _____ (秋天) walk reveals many colorful leaves.51、填空题:The __________ is often bright and sunny in July. (天空)52、填空题:The __________ (历史的启示) leads to growth.53、What do we call a young bear?A. CubB. KidC. PupD. Calf54、填空题:I often help my parents ________ (做饭) on weekends.55、填空题:The capital of Jordan is ________ (安曼).56、听力题:The bird is _____ in its nest. (sleeping)57、填空题:The __________ is an important region for agriculture. (平原)58、听力题:A beetle has a hard ______.The dog is ______ near the door. (sitting)60、填空题:My dog likes to chase after a ________.61、听力题:I enjoy going to the ___. (beach)62、填空题:My _____ (姐姐) is in high school.63、What is the capital of Finland?A. OsloB. StockholmC. HelsinkiD. Tallinn答案: C64、听力题:Chemical reactions involve the making and breaking of ______.65、What do you call a baby sheep?A. CalfB. KidC. LambD. Foal66、What is the name of the famous American singer known for "Ain't No Mountain High Enough"?A. Diana RossB. Aretha FranklinC. Whitney HoustonD. Tina Turner答案: A67、填空题:The zebra has unique _______ (花纹).68、What is the capital of South Korea?a. Seoulb. Busanc. Incheond. Daegu答案:aThe Earth is the ______ planet from the sun.70、填空题:My mom enjoys __________ (烹饪) new recipes.71、听力题:They are _____ (watching) a documentary.72、填空题:The bird is singing ________ (在树上).73、填空题:I enjoy learning about ________ in science class.74、rain gauge) measures precipitation. 填空题:The ____75、 Barrier Reef is located off the coast of __________. (澳大利亚) 填空题:The Grea76、填空题:The ancient Romans made significant contributions to ________ and governance.77、听力题:A compound is formed when two or more elements _______ chemically.78、听力题:We like to ______ (sing) songs.79、What is the smallest planet in our Solar System?A. MarsB. MercuryC. PlutoD. Earth80、填空题:The _____ (枝条) can be used for crafting.81、填空题:The scientist studies _____ (植物) in the rainforest.82、听力题:A _______ is a chemical reaction that changes the physical state of a substance.A non-polar solvent is used to dissolve ______ substances.84、听力题:The jellybeans are ______ (colorful) and sweet.85、How many legs does a spider have?A. SixB. EightC. TenD. Twelve答案: B. Eight86、填空题:I saw a _______ hopping in the meadow (我在草地上看到一只_______).87、听力题:The Earth's tilt affects the ______ of the seasons.88、填空题:Gardeners often use ______ (肥料) to help plants grow.89、填空题:The rabbit's burrow is its _________ (家).90、听力题:I have a _____ (collection) of rocks.91、填空题:The doctor, ______ (医生), gives advice on staying healthy.92、填空题:I take my ________ (玩具名称) on vacation with me.93、填空题:I love to ________ (聚会) with friends.94、听力题:The _____ (daisy) is blooming.95、What is the capital city of Slovakia?A. BratislavaB. KošiceC. PrešovD. NitraLight travels in _______ lines.97、What is the name of the place where we go to watch movies?A. TheaterB. MuseumC. Concert HallD. Library答案: A98、听力题:I want to _______ (travel) the world.99、Which of these is a flying mammal?A. BatB. SquirrelC. KangarooD. Elephant答案:A100、选择题:What is the main ingredient in pancakes?A. MilkB. FlourC. EggsD. All of the above。
北海2024年11版小学3年级下册A卷英语第4单元寒假试卷[含答案]
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北海2024年11版小学3年级下册英语第4单元寒假试卷[含答案]考试时间:100分钟(总分:110)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题)1、Which animal is known as the "King of the Jungle"?A. ElephantB. LionC. TigerD. Bear答案:B2、ta Stone helped scholars understand ________. 填空题:The Rose3、选择题:What do we call a large vehicle that carries people?A. CarB. BusC. BikeD. Train4、听力题:We will go ______ for lunch. (out)5、What is the main ingredient in sushi?A. RiceB. PastaC. BreadD. Noodles6、听力题:An endothermic reaction requires an _____ of energy.7、What do we call the process of breaking down food in the body?A. DigestionB. AbsorptionC. RespirationD. Circulation答案: A8、What do you call the part of the plant that absorbs water?A. LeafB. RootC. StemD. Flower答案: B9、填空题:The __________ (历史的多元性) enrich dialogue.10、ts are adapted to _____ (盐碱地). 填空题:Some pla11、听力题:We will have a ___ (party).12、填空题:The _____ (洋娃娃) can wear different dresses.13、What do we call the process of making something from raw materials?A. RecyclingB. ManufacturingC. DistributingD. Shipping答案: B14、听力题:Star clusters can contain thousands of ______.15、What do we call a baby seal?A. PupB. CalfC. KidD. Foal答案: A16、填空题:I enjoy drawing ______ in my spare time.17、听力题:A polymer is a large molecule made up of many ______ units.18、What is the capital city of Malaysia?A. Kuala LumpurB. PenangC. Johor BahruD. Malacca答案: A19、填空题:A parrot can live for many ______ (年).20、填空题:I like to draw ______ (动物) in my sketchbook. It is so ______ (有趣).21、填空题:The first humans are believed to have originated in ________.22、听力题:The __________ is essential for understanding the geology of an area.23、How do you say "goodbye" in Russian?A. DasvidaniyaB. AdiósC. SayonaraD. Arrivederci24、填空题:We can create a ______ (美丽的花园) at home.25、What is the name of the holiday in December?A. HalloweenB. ThanksgivingC. ChristmasD. Easter答案: C26、填空题:The _____ (香草) in my garden smells very good.27、How many weeks are in a year?A. 48B. 50C. 52D. 54答案: C28、填空题:A vulture often eats ________________ (尸体).29、听力题:The ice cream is ___ (melting/freezing).30、What do we call a young cow?A. CalfB. HeiferC. BullD. Steer答案: A31、What is the name of the largest continent?A. AfricaB. AsiaC. EuropeD. North America32、听力题:The __________ can provide insights into ancient environmental conditions.33、听力题:The __________ is a prominent feature of the landscape.34、填空题:__________ (植物) use water and sunlight for photosynthesis.35、听力题:The ______ is known for her philanthropic work.36、填空题:I like to read books about ________.37、听力题:The Great Red Spot on Jupiter has been raging for hundreds of ______.38、What type of animal is a tortoise?A. FishB. BirdC. ReptileD. Mammal答案:C39、What do you call a large cat that roars?A. LionB. TigerC. LeopardD. Panther答案:A40、填空题:My cousin enjoys __________ (参加) family gatherings.41、听力题:The smallest unit of an element is called an _______.42、填空题:We _______ (经常) visit the museum.43、小猪) rolls in the mud. 填空题:The ___44、In which direction does the sun rise?a. Northb. Southc. Eastd. West答案:c45、听力题:The ____ makes a croaking sound and is often found near water.46、选择题:What do you call a bird that cannot fly?A. SparrowB. OstrichC. EagleD. Penguin47、听力题:The __________ is the deepest part of the Earth's crust.48、填空题:The puppy is _______.49、填空题:My favorite animal is a ______ (猫), because they are very cute.50、听力题:She is ___ her lunch. (eating)51、填空题:The _______ (The Enlightenment) emphasized reason and scientific inquiry.52、What do we call the process of water vapor turning into liquid?A. EvaporationB. CondensationC. PrecipitationD. Sublimation答案: B. Condensation53、选择题:Which animal is known for its ability to change colors?A. ChameleonB. ElephantC. TigerD. Bear54、What is the opposite of "big"?A. HugeB. SmallC. TallD. Large55、听力题:My aunt loves to do ____ (photography).56、填空题:The water is ________ (冷) in winter.57、填空题:The __________ (历史的深邃) invites exploration.58、选择题:What do we call the place where you go to see animals?A. ZooB. FarmC. AquariumD. Circus59、填空题:The ancient Greeks created ________ to tell stories about their gods.60、听力题:We like to ________ together.61、What is the main ingredient in guacamole?A. TomatoB. AvocadoC. PepperD. Onion62、填空题:We have a ______ (小) family.63、What is the capital of Palau?a. Ngerulmudb. Kororc. Airaid. Melekeok答案:a64、填空题:I enjoy _______ (进行) experiments in science.65、填空题:I have a ______ robot that talks.66、听力题:Acids have a sour ______.67、What do you call a house made of ice?A. IglooB. CabinC. CastleD. Hut答案: A68、填空题:We will have a ________ (庆祝活动) for the holiday.69、听力题:The chemical symbol for gallium is ______.70、听力题:We play _____ (乒乓球) after school.71、选择题:What do we call the time when leaves fall from trees?A. WinterB. SpringC. SummerD. Fall72、What do we call the first month of the year?A. FebruaryB. MarchC. AprilD. January答案:D73、What is the tallest mountain in the world?A. K2B. KilimanjaroC. Mount EverestD. Alps74、听力题:My brother is a great ________.75、填空题:The squirrel's _______ (灵巧) allows it to climb trees.76、小蜻蜓) hovers above the water. 填空题:The ___77、What do you call a person who studies stars and planets?A. ScientistB. AstronomerC. BiologistD. Geologist答案: B. Astronomer78、What do we call the protective covering of an egg?A. ShellB. YolkC. AlbumenD. Membrane79、What is the primary color of grass?A. BlueB. YellowC. GreenD. Red答案:C. Green80、What is the name of the large body of saltwater?A. LakeB. RiverC. OceanD. Pond答案:C81、How many sides does a hexagon have?A. 5B. 6C. 7D. 882、填空题:The music is _______ and cheerful.83、填空题:I saw a __________ form in the sky before the storm. (乌云)84、How many legs does an octopus have?A. 6B. 8C. 10D. 1285、听力题:I have a _____ (plan) for the weekend.86、听力题:My aunt enjoys baking ____ (pies).87、填空题:The capital of Canada is ________ (加拿大的首都是________).88、听力题:A sound wave can be either _____ or transverse.89、What do we use to write?A. BrushB. PenC. RulerD. Scissors答案:B90、How many continents are there?A. 5B. 6C. 7D. 8答案: C91、听力题:I love ________ to music.92、What is the primary color of a zucchini?A. GreenB. YellowC. WhiteD. Red93、听力题:The sun is shining _____ (brightly/darkly).94、What do we call the part of the plant that absorbs water?A. StemB. LeafC. RootD. Flower答案:C95、What is the capital city of Estonia?A. TallinnB. RigaC. VilniusD. Helsinki答案: A96、听力题:Birds have __________ to help them fly.97、填空题:The _______ (Women's Suffrage Movement) fought for women's right to vote.98、What is the main gas in the air we breathe?A. OxygenB. NitrogenC. Carbon dioxideD. Helium答案:B99、听力题:The __________ is a famous area known for its cultural events.100、听力题:The antelope can run very ____.。
寒假补课测试题及答案

寒假补课测试题及答案一、选择题(每题2分,共10分)1. 下列哪个选项是正确的英语单词拼写?A. accomodateB. accomodateC. accomodateD. accommodate答案:D2. 圆的周长公式是什么?A. C = πdB. C = 2πrC. C = πr²D. C = 2πd答案:B3. 以下哪个历史事件标志着中国封建社会的结束?A. 鸦片战争B. 辛亥革命C. 甲午战争D. 五四运动答案:B4. 光年是什么单位?A. 时间单位B. 长度单位C. 速度单位D. 质量单位答案:B5. 以下哪个选项是正确的化学方程式?A. 2H₂ + O₂ → 2H₂OB. 2H₂ + O₂ → H₂OC. 2H₂ + O₂ → 2HOD. 2H₂ + O₂ → 2H₂O₂答案:A二、填空题(每题2分,共10分)1. 请填写下列诗句的下一句:“床前明月光,__________。
”答案:疑是地上霜2. 请写出牛顿第二定律的公式:__________。
答案:F = ma3. 请填写下列单词的中文意思:“ambition”。
答案:雄心,抱负4. 请写出水的化学式:__________。
答案:H₂O5. 请填写下列数学公式中的缺失部分:“勾股定理”公式为:a² +b² = __________。
答案:c²三、简答题(每题5分,共20分)1. 请简述光合作用的过程。
答案:光合作用是植物、藻类和某些细菌利用叶绿素等色素吸收光能,将二氧化碳和水转化为葡萄糖和氧气的过程。
2. 请解释什么是温室效应。
答案:温室效应是指地球大气层中的温室气体(如二氧化碳、甲烷等)对太阳辐射的吸收和反射作用,导致地球表面温度升高的现象。
3. 请简述中国四大发明是什么。
答案:中国四大发明指的是造纸术、印刷术、火药和指南针。
4. 请解释什么是牛顿第三定律。
答案:牛顿第三定律指的是作用力和反作用力大小相等、方向相反,作用在不同的物体上。
北海“PEP”2024年11版小学三年级第12次英语第3单元寒假试卷(含答案)

北海“PEP”2024年11版小学三年级英语第3单元寒假试卷(含答案)考试时间:100分钟(总分:110)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题共100分)1. 填空题:_____ (saffron) is the most expensive spice.2. 填空题:The _____ (sage) plant is great for seasoning.3. 选择题:What do you call the first page of a book?A. CoverB. IntroductionC. Title PageD. Foreword答案:C4. 听力题:We have a ________ (debate) about issues.5. 填空题:The cat sleeps on the ________.6. 听力题:The pH scale measures how ______ or basic a solution is.7. 填空题:The room is _______ (明亮的).8. 填空题:My favorite _____ is a bright orange kite.9. 听力题:The ______ teaches us about health.10. 填空题:I enjoy playing with ________ (玩具) at the park.11. 填空题:The _____ (小米兔) has long ears and loves to hop around.小米兔有长长的耳朵,喜欢到处跳跃。
12. 选择题:How do you say "thank you" in English?A. SorryB. PleaseC. Thank youD. Hello答案:C13. 填空题:My uncle is a wonderful __________ (谈话者).14. 填空题:The __________ (历史的图谱) illustrates connections between events.15. 选择题:What is the opposite of 'fast'?A. SlowB. QuickC. RapidD. Speedy16. 选择题:What is the sum of 5 and 6?A. 10B. 11C. 12D. 13答案: B17. 填空题:My cat enjoys chasing after ______ (光点).18. 选择题:What is the favorite food of a koala?A. Eucalyptus leavesB. BambooC. FruitsD. Nuts答案:A19. 听力题:My sister loves to dance ____ (hip-hop).20. 选择题:Which food is made from milk?A. BreadB. CheeseC. RiceD. Meat21. 听力题:A metal that is highly malleable is ______.22. 填空题:The firefly glows in the ________________ (黑暗).23. 填空题:I sometimes write stories about my ________ (玩具名) and their adventures in my diary.24. 填空题:The ________ (水资源管理) is vital for agriculture.25. 填空题:The flamingo stands on one _______ (腿) for balance.26. 填空题:The ________ is a tiny animal that lives in the forest.27. 填空题:My family celebrates ______ (生日) with a big cake and lots of ______ (礼物). It's always a fun time.28. 选择题:What is the name of the fairy tale character who has magical hair?A. CinderellaB. RapunzelC. Snow WhiteD. Belle29. 听力题:The ____ spins webs and catches bugs.What do you call the part of a plant that produces flowers?A. RootB. StemC. LeafD. Blossom31. 选择题:What do you call a person who studies the weather?A. GeologistB. MeteorologistC. BiologistD. Astronomer答案:B32. 选择题:What is 3 x 3?A. 6B. 8C. 9D. 12答案: C33. 听力题:We need to water the _______ every day.34. 选择题:What do we use to cut paper?A. TapeB. GlueC. ScissorsD. Ruler答案: C. Scissors35. 听力题:Compounds can be separated into their elements through a ________ reaction.36. 填空题:I love to collect _____ from nature.37. 填空题:A _______ (小袋鼠) can hop over large distances.38. 听力题:The ______ is known for its gentle nature.This ________ (玩具) helps me develop new skills.40. 听力题:A titration is a method used to determine the ______ of a solution.41. 听力题:My pet hamster likes to run on a _______.42. 填空题:The __________ (文化传统) are passed down through generations.43. 填空题:The ________ (湿润环境) encourages growth.44. 填空题:I enjoy making _____ with my friends.45. 填空题:__________ (化学反应) can release or absorb energy.46. 填空题:The _______ (The American Civil War) had lasting impacts on US history.47. 填空题:The rabbit enjoys eating _________. (新鲜的蔬菜)48. 填空题:A _____ (草坪) is perfect for picnics.49. 选择题:What is the smallest planet in our solar system?A. VenusB. MarsC. MercuryD. Earth答案:C. Mercury50. 听力题:The Earth's mantle is mostly made up of ______ rock.51. 选择题:What do we call a large, gentle mammal that lives in the ocean?A. SharkB. WhaleC. DolphinD. Seal52. 填空题:A crab scuttles along the ______ (沙滩).53. 填空题:The ________ (植物经济研究) impacts industries.54. 选择题:What do you call a large area covered with ice?A. GlacierB. IcebergC. SnowfieldD. Icecap答案:A55. 填空题:My dog loves to play with its ______ (玩具).56. 填空题:The ______ (小鱼) swims in the clear ______ (水).57. 填空题:A ____(community newsletter) informs residents of events and resources.58. 填空题:I go to the ______ (图书馆) to borrow books.59. 填空题:The rabbit's _______ (速度) helps it escape predators.60. aust was a tragic event in _____ history. 填空题:The Inca61. 选择题:What is the name of the largest land animal?A. GiraffeB. HippopotamusC. ElephantD. Rhino62. 填空题:The _______ (The Cuban Missile Crisis) brought the US and USSR close to nuclear war.63. 听力题:The ________ (community) supports each other.64. 选择题:What is the capital of the UK?A. LondonB. ParisC. BerlinD. Madrid答案: A65. 填空题:The _______ (蝴蝶) flutters near flowers.66. 填空题:My grandpa tells great ____.67. 选择题:What do you call the process of changing from a liquid to a gas?A. CondensationB. EvaporationC. FreezingD. Melting68. 听力题:The animal that is known for its shell is a ______.69. 听力题:A ____ is a playful animal that loves to chase after its friends.70. 填空题:I help my sister with __________. (学习)71. 听力题:The boiling point of water is _____ degrees Fahrenheit.72. 选择题:What do we call the act of fostering creativity?A. EncouragementB. InspirationC. SupportD. All of the Above答案:D73. 选择题:Which season is coldest?A. SummerB. AutumnC. WinterD. Spring答案: C74. 填空题:The invention of the internet has transformed global _____.75. 听力题:The dog is ______ with its chew toy. (playing)76. 听力题:I want to _____ (discover) new things.77. 选择题:What is the capital city of the UK?A. LondonB. DublinC. EdinburghD. Cardiff78. 填空题:I like to go ________ (徒步) in the mountains.79. 填空题:Did you ever feed a _______ (小家禽) on the farm?80. 填空题:Many plants have __________ (不同的) colors.81. 选择题:What do we call the time when the sun sets?A. SunriseB. SunsetC. NoonD. Midnight答案:B82. 填空题:I like to collect ______ (树叶) in the fall.83. 填空题:I saw a rabbit hopping in the ______.84. 选择题:Which part of the plant absorbs water?A. LeavesB. StemC. RootsD. Flower答案:C85. 听力题:The symbol for vanadium is _____.86. 填空题:I love _______ (拍照) during vacations.87. 选择题:What is the main ingredient in sushi?a. Fishb. Chickenc. Beefd. Pork答案:a88. 选择题:What do we call a scientist who studies genetics?A. GeneticistB. BiologistC. Genetic EngineerD. Microbiologist89. 选择题:Which animal is famous for its slow movement?A. CheetahB. SlothC. RabbitD. Deer答案:B90. 听力题:In spring, many plants begin to _______.91. adaptive reuse) repurposes old buildings. 填空题:The ____92. 选择题:What do you call the study of chemicals and their properties?A. BiologyB. ChemistryC. PhysicsD. Geology答案:B93. 填空题:The ______ (水分) in soil is crucial.94. 填空题:The ancient Egyptians practiced ________ to communicate with their gods.95. 听力题:We plant trees in the ___. (spring)96. 选择题:Which holiday is celebrated on December 25th?A. HalloweenB. ThanksgivingC. ChristmasD. New Year97. 选择题:What do we call the science of studying birds?A. OrnithologyB. ZoologyC. BotanyD. Ecology答案:A98. 填空题:The capital of Uganda is ________ (坎帕拉).99. 听力题:Some plants have _______ that can be sharp.100. 听力题:They are _____ (climbing) the hill.。
遵义2024年10版小学第11次英语第3单元寒假试卷

遵义2024年10版小学英语第3单元寒假试卷考试时间:100分钟(总分:110)A卷考试人:_________题号一二三总分得分一、选择题(共计20题,共40分)1、What do bees produce?A. MilkB. HoneyC. SugarD. Jam2、What is the largest mammal in the ocean?A. SharkB. DolphinC. WhaleD. Octopus3、选择题:What is the capital of the United Kingdom?A. LondonB. EdinburghC. CardiffD. Belfast4、选择题:What is 7 x 3?A. 18B. 20C. 21D. 245、What is 10 - 4?A. 5B. 6C. 7D. 86、选择题:What do we call the person who writes books?B. ArtistC. MusicianD. Actor7、What is the color of the sky on a clear day?A. GreenB. BlueC. RedD. Yellow8、What is the term for a giant cloud of gas and dust in space?A. GalaxyB. NebulaC. Black HoleD. Star9、Which of these is a wild animal?A. CatB. DogC. LionD. Hamster10、Which fruit is yellow and curved?A. AppleB. BananaC. GrapeD. Orange11、What is the capital city of South Korea?A. SeoulB. BusanC. IncheonD. Daegu12、选择题:What is the opposite of up?A. DownB. LeftC. RightD. Forward13、Which fruit is known for having seeds on the outside?A. BananaB. StrawberryD. Grape14、What do we call the small pieces of paper we use to write notes?A. NotebookB. Sticky NotesC. Index CardsD. Post-it Notes15、What is the name of the second-largest planet in our Solar System?A. SaturnB. JupiterC. NeptuneD. Uranus16、What is the capital of Cyprus?A. NicosiaB. LimassolC. LarnacaD. Famagusta17、选择题:How many days are in a week?A. 5B. 6C. 7D. 818、选择题:What is 100 + 200?A. 250B. 300C. 350D. 40019、选择题:What is the capital of Georgia?A. TbilisiB. BatumiC. KutaisiD. Rustavi20、What is the main ingredient in bread?A. RiceB. FlourD. Salt二、听力题(共计20题,共40分)1、听力题:They are _____ (building) a fort.2、听力题:I want to learn how to ______ (skate) on ice.3、听力题:The dog is ______ at the ball. (barking)4、听力题:The process of changing from a liquid to a solid is called _______.5、听力填空题:I love spending time with my grandparents. They tell the best __________.6、听力题:The cake is ______ (delicious) and sweet.7、听力题:The chemical symbol for chromium is _______.8、听力题:A strong acid can completely ionize in _____ to produce hydrogen ions.9、听力题:The ____ is a tiny insect that helps pollinate flowers.10、听力题:She is going to the ___. (store)11、听力题:We go to school by _____ (车).12、听力题:A solution that resists changes in pH is called a ______ solution.13、听力题:Chemical equations show the ______ of reactions.We make _____ (饼干) together.15、听力题:The ________ (train) moves very fast.16、听力题:The puppy is very ________.17、听力题:She is wearing a _____ dress today. (pretty)18、听力题:The __________ of a toy car can be increased by pushing it harder.19、听力题:The _____ (mountain/river) is high.20、听力题:In a chemical reaction, the mass of the products equals the mass of the _____.三、填空题(共计20题,共10分)1、填空题:My ________ (玩具名称) is a fun way to learn about colors.2、填空题:The _____ (植物教育) is key to fostering appreciation for nature.3、填空题:A _____ (botanical) study explores different species.4、填空题:My sister enjoys __________ (学习) about science.5、填空题:In summer, the days are long and __________. (温暖的)6、填空题:The _______ (小浣熊) washes its food before eating.7、填空题:Growing plants can teach us about __________ (生命).My favorite toy is a _______ (火车).9、填空题:The _____ (海豚) is known for its playful behavior.10、填空题:The hummingbird can hover in one ________________ (位置).11、填空题:I have a funny ________ (笑话) to tell you.12、填空题:A ______ (植物标本) can teach us about biodiversity.13、填空题:Ancient Rome had a system of _____.14、填空题:The first successful organ transplant was performed in ________ (20世纪).15、填空题:________ (植物适应性研究) can lead to innovations.16、填空题:I love watching birds build their _________. (巢)17、填空题:I love to take ______ (照片) of beautiful scenery during my travels.18、填空题:The ________ likes to play in the wind.19、填空题:The _____ (海星) clings to the rocks in the tide pool.20、填空题:The flamingo feeds by wading in _______ (水).。
2024年11版小学第12次英语第3单元寒假试卷(含答案)

2024年11版小学英语第3单元寒假试卷(含答案)考试时间:90分钟(总分:110)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题共100分)1. 填空题:The invention of ________ changed how people communicate.2. 选择题:What do we call a small piece of bread with toppings?A. SandwichB. ToastC. BruschettaD. Bagel答案:C3. 选择题:为下列句子选择正确的译文。
1.Look at me!2.Good afternoon!3.This is my head.4.Good morning!5.Nice to meet you.6.Let's go to school.7.Nice to meet you,too.8.Let's make a puppet!9.This is my nose.4. 填空题:My favorite sport is ______ (足球). I play it with my friends every ______ (星期).5. 听力题:The chemical formula for zinc oxide is ______.6. 选择题:What do we call the tool we use to measure length?A. RulerB. ScaleC. ProtractorD. Compass7. 填空题:________ (植物生态适应) showcases resilience.8. 填空题:The _____ (植物感知) can be explored through art and literature.9. 听力题:A substance that changes color in an acid or base is called an ______.10. 选择题:How many legs does an octopus have?A. SixB. EightC. FourD. Ten11. 选择题:What is the process of changing from a gas to a liquid called?a. Evaporationb. Condensationc. Freezingd. Melting答案:b12. 填空题:My friend is a great __________ (伙伴) in projects.13. 填空题:The ancient Greeks valued _____ and education.14. 听力题:The capital of Taiwan is _______.15. 填空题:The ________ (生态研究机构) contributes valuable insights.16. 填空题:The ________ was a famous philosopher known for his teachings.17. 选择题:What do you call the process of making food more appealing?A. GarnishingB. DecoratingD. Presenting答案: A18. 选择题:How many legs does an octopus have?A. 6B. 8C. 10D. 12答案:B. 819. 选择题:What do you call a young owl?A. OwletB. ChickC. FawnD. Kit答案:A20. 填空题:The ________ (生物多样性) includes various plants.21. 选择题:What do you call a large bird that cannot fly?A. PenguinB. SparrowC. EagleD. Falcon答案:A22. 填空题:My brother has a ______ (足球) that he practices with every day. He wants to be a ______ (运动员).23. 选择题:What is the main ingredient in a salad?A. MeatB. VegetablesC. GrainsD. Fruit答案:B24. 选择题:What is the capital of Kenya?b. Mombasac. Kisumud. Nakuru答案:a25. 听力题:The ______ shares knowledge about technology.26. 听力题:My sister is an ______. She draws beautiful pictures.27. 选择题:What is the largest bird in the world?A. EagleB. PenguinC. OstrichD. Sparrow答案:C28. 听力题:The Earth's surface is composed of ______ types of rocks.29. 选择题:What do we call the main ingredient in a salad?A. DressingB. LettuceC. CroutonsD. Cheese答案:B30. 选择题:What is the name of the famous character known for his red truck and green hat?A. Curious GeorgeB. Clifford the Big Red DogC. Pete the CatD. The Cat in the Hat31. 选择题:Which animal is known for its black and white stripes?A. LeopardB. ZebraC. TigerD. Panda32. 选择题:What is the capital of Russia?A. MoscowB. St. PetersburgC. KievD. Minsk答案:A33. 选择题:What is the main ingredient in hummus?A. BeanB. ChickpeaC. LentilD. Pea答案: B34. 听力题:A reaction that occurs in a closed system is called a ______ reaction.35. 选择题:Which instrument has strings?A. PianoB. FluteC. GuitarD. Drum答案:C36. 选择题:What do you call a group of rabbits?A. WarrenB. HerdC. PackD. School37. 听力题:We are going to ______ (visit) the museum.38. 填空题:Certain plants can ______ (促进) soil fertility.39. 选择题:What is the hardest natural substance on Earth?A. GoldB. DiamondC. IronD. Silver答案: B40. 选择题:What is the capital of Oman?A. MuscatB. SalalahC. SoharD. Nizwa41. 听力填空题:I think that every skill learned is a step towards our __________.42. 填空题:The __________ (历史的文化表现) offer insights.43. 填空题:The frog has smooth _______ (皮肤).44. 听力题:A simple circuit includes a battery, wires, and a ______.45. 听力题:The bird is ___ high. (flying)46. 听力题:The bear catches _____ in the stream.47. 听力题:The outer core is responsible for the Earth’s ______ field.48. 填空题:My mom loves __________ (促进社区发展).49. 听力题:The flowers are _____ (美丽的).50. 填空题:I enjoy sharing stories with my friends during ______ (聚会).51. ean colonization of Africa is known as the ________ (瓜分). 填空题:The Fall52. 听力题:The dog is ___ at the door. (barking)The __________ (历史的价值观) influence identities.54. 填空题:The turtle moves ________.55. 选择题:What is 18 9?A. 7B. 8C. 9D. 10答案:C56. 选择题:Which shape has four equal sides?A. RectangleB. TriangleC. SquareD. Circle57. 听力题:The ______ is known for his inventions.58. 听力题:I can ________ (see) the stars at night.59. 填空题:The _____ (环境保护) initiatives promote planting more trees.60. 选择题:What is the name of the famous river that runs through Egypt?A. AmazonB. MississippiC. NileD. Yangtze答案: C. Nile61. 听力题:I love ______ in the summer. (ice cream)62. 听力题:My ______ is very kind and helpful.63. 听力题:When water boils, it turns into _______.What do we drink from?A. PlateB. CupC. BowlD. Fork答案: B65. 选择题:Where do penguins live?A. DesertB. ArcticC. ForestD. Antarctica66. 填空题:My favorite stuffed ____ goes with me to school. (动物名称)67. 选择题:What is the name of the famous painting by Vincent van Gogh?A. The Starry NightB. The Last SupperC. Mona LisaD. The Scream答案: A68. 填空题:Many plants are used in ______ (食品工业).69. 选择题:Which insect can make honey?A. AntB. ButterflyC. BeeD. Fly答案:C70. 听力题:The ______ helps plants grow tall.71. 填空题:I have ______ in my backpack.72. 选择题:What do we call a sweet drink made from fruit juice and water?A. LemonadeB. PunchC. SmoothieD. Cocktail73. 填空题:My uncle is a __________ (商人).74. Listen and draw.(听录音,对的画笑脸,错的画哭脸。
三亚2024年11版小学A卷英语第2单元寒假试卷

三亚2024年11版小学英语第2单元寒假试卷考试时间:90分钟(总分:100)A卷考试人:_________题号一二三总分得分一、选择题(共计20题,共40分)1、Which planet can support life as we know it?A. MarsB. VenusC. EarthD. Saturn2、What is the largest organ in the human body?A. HeartB. SkinC. LiverD. Brain3、What is the hardest part of the human body?A. SkullB. TeethC. BoneD. Nail4、How many notes are there in a musical scale?A. SixB. SevenC. EightD. Nine5、Which holiday involves dressing up in costumes?A. ThanksgivingB. HalloweenC. New YearD. Christmas6、What is the name of the largest animal on Earth?A. Blue WhaleB. ElephantC. GiraffeD. Great White Shark7、选择题:What do you call the solid form of water?A. IceB. SteamC. LiquidD. Snow8、What is the capital of the Netherlands?A. AmsterdamB. RotterdamC. The HagueD. Utrecht9、What do we call the person who teaches us at school?A. PrincipalB. TeacherC. StudentD. Janitor10、What is the process called when a star collapses under its own gravity?A. SupernovaB. Black Hole FormationC. Red Giant PhaseD. Stellar Evolution11、选择题:What type of animal is a dolphin?A. FishB. MammalC. ReptileD. Bird12、What is the opposite of "big"?A. HugeB. SmallC. TallD. Wide13、Which animal is known for having a long neck?A. ElephantB. GiraffeC. RhinoD. Hippo14、选择题:What do you get when you boil water?A. IceB. SteamC. SnowD. Fog15、What do we call the layer of gases surrounding the Earth?A. AtmosphereB. LithosphereC. HydrosphereD. Biosphere16、What do you call the person who cooks food?A. WaiterB. ChefC. FarmerD. Baker17、选择题:What is the name of the famous landmark in Egypt?A. Great WallB. ColosseumC. PyramidsD. Stonehenge18、Which fruit is yellow and curved?A. AppleB. BananaC. GrapeD. Cherry19、选择题:What is the opposite of loud?A. QuietB. SoftC. SilentD. Mute20、What do you call a large body of saltwater?A. RiverB. OceanC. LakeD. Pond二、听力题(共计20题,共40分)1、听力题:A space shuttle is used to carry astronauts to ______.2、听力题:A ______ is a cold-blooded animal.3、听力题:The cake is _____ (sweet/sour).4、听力题:The atomic structure of an atom consists of a nucleus and ______.5、听力题:The capital of Austria is __________.6、听力题:A __________ forms when molten rock cools slowly underground.7、听力题:The _____ (book/magazine) is interesting.8、听力题:Mount Kilimanjaro is located in __________.9、听力题:We enjoy going to the ___. (library)10、听力题:The __________ is known for its historic sites.11、听力题:The stars are ___. (glowing)12、听力题:A solution that contains more solute than it can dissolve is called ______.13、听力题:A gas has _____ (no definite shape) or volume.14、听力题:The first president of the United States was _______.15、听力题:The moon is ___. (full)The ______ helps with the regulation of metabolism.17、听力题:Electricity can flow through a _______.18、听力题:My sister is a ______. She enjoys making music.19、听力题:A non-polar solvent is used to dissolve ______ substances.20、听力题:The process of rusting is an example of ______.三、填空题(共计20题,共10分)1、填空题:My sister loves to take care of her ______ (小猫).2、填空题:I enjoy sharing my ______ (梦想) with my closest friends.3、填空题:My parents bought me a _________ (遥控飞机) to play with.4、填空题:The __________ (历史的深度) enhances insight.5、填空题:I enjoy _______ (进行探索) in my backyard.6、填空题:I always try to be ______ (诚实) and tell the truth. Honesty is very ______ (重要的) in friendships.7、填空题:The penguin is a bird that cannot _______ (飞).8、填空题:My mom is a great ________ (厨师).The __________ (历史的观点) can expand understanding.10、 (Tudors) were a powerful royal family in England. 填空题:The ____11、填空题:The spider spins a ______.12、填空题:The flowers are ________ (香气四溢).13、填空题:My friend is a big __________ of comics. (爱好者)14、填空题:The __________ is the capital city of Argentina. (布宜诺斯艾利斯)15、填空题:My uncle gave me a toy ____ that spins. (玩具名称)16、填空题:The __________ (历史的声音) echoes through time.17、填空题:The stars twinkle ________ (在夜空中).18、填空题:The __________ is a famous mountain range in the United States. (落基山脉)19、填空题:The _____ (豹) has beautiful spots on its fur.20、填空题:The ________ was a significant event in the history of civil rights.。
湛江“PEP”2024年11版小学6年级第十五次英语第三单元寒假试卷[含答案]
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湛江“PEP”2024年11版小学6年级英语第三单元寒假试卷[含答案]考试时间:100分钟(总分:110)A卷考试人:_________题号一二三四五总分得分一、综合题(共计100题)1、选择题:Which animal is known for its intelligence and ability to learn tricks?A. CatB. DogC. FishD. Bird2、填空题:I have a toy ________ that can bounce.3、听力题:The main source of energy for the Earth is the _______.4、What do we call the time when the daylight is the shortest?A. EquinoxB. SolsticeC. Lunar phaseD. Eclipse答案: B. Solstice5、填空题:The squirrel's nest is called a ________________ (巢).6、选择题:Which animal is known for its long tail?A. DogB. CatC. MonkeyD. FishThe beach has _____ (sand/water).8、填空题:The _______ (Sikhism) is a religion founded in the Punjab region of India.9、填空题:I enjoy _______ (写故事).10、填空题:The _____ (小鸭) waddles around the pond.11、What do we call a picture made with tiny pieces of glass?A. DrawingB. PaintingC. MosaicD. Sculpture12、填空题:I love to create stories with my _________ (玩具车) and _________ (人物).13、What do we call the sound made by a bell?A. RingB. ChimeC. DingD. Toll答案:B14、填空题:The mountain is _______ (高耸的).15、What is the name of the famous American actor known for his role in "The Dark Knight"?A. Christian BaleB. Heath LedgerC. Michael CaineD. Gary Oldman答案:A16、What do you call the outer layer of skin?A. EpidermisB. DermisC. HypodermisD. Follicle答案: AThe process of turning a solid directly into a gas is called __________.18、听力题:The chemical symbol for tin is _______.19、How many letters are there in the English alphabet?A. 24B. 25C. 26D. 27答案: C20、填空题:I want to _______ (去旅行) this summer.21、填空题:The ladybug is small and ______ (可爱).22、填空题:A ______ (海豹) is playful and loves to swim.23、How many wheels does a bicycle have?A. TwoB. ThreeC. FourD. Five答案:A24、听力题:My sister loves to ________.25、听力题:The chemical formula for chromium(II) chloride is _____.26、听力题:Sulfuric acid is a common industrial ________.27、填空题:The __________ (古希腊) were pioneers in mathematics and science.28、听力题:The teacher is _____ us about animals. (telling)29、What is the main gas in the Earth's atmosphere?A. OxygenB. NitrogenC. Carbon DioxideD. Argon30、填空题:The rabbit has sharp _________. (牙齿)31、听力题:Liquids have a definite __________ but no fixed shape.32、填空题:I love reading books about ________ (恐龙) and learning about their ________ (历史).33、听力题:The Nile River flows through __________.34、What is the name of the second planet from the sun?A. EarthB. MarsC. VenusD. Mercury35、填空题:A __________ (合成材料) is made from natural or artificial substances.36、填空题:The butterfly's wings are like ______ (彩虹).37、填空题:The ________ (国界) can be disputed.38、What is the capital of China?a. Shanghaib. Beijingc. Hong Kongd. Taipei答案:b39、填空题:My toys have different colors and designs that make them ________ (形容词).40、填空题:Elements on the left side of the periodic table are usually __________ (金属).41、What do you call a baby cat?A. PuppyB. KittenC. CalfD. Cub答案:B42、听力题:The chemical formula for isopropyl alcohol is _____.43、听力题:A ________ is an area of land that is often flooded.44、What is the smallest unit of life?A. CellB. TissueC. OrganD. Organism答案: A45、What is the name of the fairy tale character who climbed a tower?A. CinderellaB. RapunzelC. Snow WhiteD. Little Red Riding Hood答案:B46、选择题:What is the name of the famous wizard in Harry Potter?A. GandalfB. DumbledoreC. MerlinD. Harry47、How many months have 28 days?A. 1B. 2C. 12D. 048、填空题:We have a ______ (丰富的) range of activities at school.49、填空题:Chameleons can change their _________ (颜色).50、What is the largest rainforest in the world?A. Congo RainforestB. Amazon RainforestC. TaigaD. Temperate Forest答案: B51、听力题:The _____ (kite/balloon) is flying high.52、听力题:A _______ is a substance that speeds up a chemical reaction without being consumed.53、听力题:A __________ is a region with distinct climate and wildlife.54、听力题:A rocket launches by expelling gas in the opposite ______.55、填空题:My favorite color is _______ (蓝色), and I like _______ (画画) with it.56、听力题:We need to _____ (finish/start) our project.57、听力题:The chemical formula for silver nitrate is _____.58、填空题:The flowers in the garden are _______ and fragrant.59、填空题:The ______ (鸽子) coos softly in the park.60、听力题:The kitten is ______ on the windowsill. (sitting)61、听力题:The __________ is a layer of the earth that is composed of water.62、听力题:The balloon is ______ (red) and yellow.63、ts have a tough ______ (外壳). 填空题:Some garWhat do we call a person who repairs cars?A. DoctorB. MechanicC. PilotD. Chef65、填空题:At the beach, I found a _______ (小螃蟹) hiding in the sand.66、What do you call the force that pulls objects toward each other?A. MagnetismB. GravityC. FrictionD. Pressure67、听力题:My cousin is a ______. She loves to create art.68、听力题:Some plants have _______ that smell very nice.69、填空题:The ________ loves to eat carrots.70、填空题:A rabbit's teeth never stop ________________ (生长).71、听力题:They are _______ (eating) lunch together.72、听力题:The _____ (商店) is open today.73、Which one is a cold drink?A. CoffeeB. TeaC. LemonadeD. Soup74、填空题:The parrot says _______ (鹦鹉说_______).75、填空题:The ________ (气候带) affects plant growth.A chemical compound can be broken down into simpler ______.77、听力题:A chemical reaction can produce ______.78、What do we call the process by which water cycles through the environment?a. Hydrologyb. Biogeochemical cyclec. Water cycled. Climate cycle答案:c79、What is the name of the river that flows through London?A. ThamesB. SeineC. DanubeD. Nile答案: A. Thames80、填空题:He is a scientist, ______ (他是一名科学家), researching ecosystems.81、longitude) lines run from the North Pole to the South Pole. 填空题:The ____82、填空题:I enjoy visiting ______ during summer break.83、What is the largest mammal in the world?A. ElephantB. Blue WhaleC. GiraffeD. Hippo答案:B84、听力题:The capital of Uganda is __________.85、What is the color of the sky on a clear day?A. BlueB. GreenC. YellowD. Purple答案:A86、What is the capital of Thailand?a. Bangkokb. Chiang Maic. Phuketd. Pattaya答案:a87、听力题:The main role of lipids in our body is to store ______.88、听力题:The _____ is the center of our solar system.89、听力题:The __________ is responsible for shaping the earth's surface.90、What is the name of the tool used to measure temperature?A. BarometerB. ThermometerC. SpeedometerD. Altimeter答案:B91、What is the capital city of the UK?A. LondonB. DublinC. EdinburghD. Cardiff92、填空题:The bee collects nectar from ______.93、听力题:We will _______ (explore) the city tomorrow.94、听力题:The _______ of an object can vary based on its speed.95、Which shape has three sides?A. SquareB. TriangleC. CircleD. Rectangle96、听力题:The ______ teaches us about math.97、填空题:Different plants have different __________ (需求).98、What is the term for a baby pig?A. CalfB. PigletC. FoalD. Kid答案: B. Piglet99、听力题:She is wearing a pretty ___. (headband)100、听力题:The capital of Singapore is __________.。
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寒假测试卷(11)A 批改人 家长签字 得分
第Ⅰ卷(选择题 共40分)
一、 选择题:(共8道小题,每小题5分,共40分,选对一项得5分,多选则该小题不得分。
) 1. 已知命题p :所有有理数都是实数,命题q :正数的对数都是负数,则下列命题中为真命题的是 ( D )
A .q p ∨⌝)(
B .q p ∧
C .)()(q p ⌝∧⌝
D .)()(q p ⌝∨⌝
2. 过抛物线2m y x =的焦点F 的直线交抛物线于,A B 两点,若,A B 的纵坐标之积为4-,则实数 m =( C )
A 、2
B 、2或2-
C 、4或4-
D 、1或1- 3. 若A )12,5,(--x x x ,B )2,2,1(x x -+,当
AB
取最小值时,x 的值等于( C )
A .19
B .7
8- C .78 D .1419
4. 抛物线y x =2
的准线方程是( B ) A. 014=+x
B. 014=+y
C. 012=+x
D. 012=+y 5. 满足f (x )=f ′(x )的函数是( C )
A f (x )=1-x
B f (x )=x
C f (x )=0
D f (x )=1
6. 命题“存在∈0x R ,0
2
x ≤0”的否定是( D )
A .不存在∈0x R, 0
2x >0 B .存在∈0x R, 0
2
x ≥0
C .对任意的∈x R, 2x
≤0 D .对任意的∈x R, 2x
>0
7. 曲线ln(21)y x =-上的点到直线230x y -+=的最短距离是( A ) A
B
.
C
.
D .0
8. 设函数f(x)在定义域内可导,y=f(x)的图象如图1所示,则导函数y=f '(x)可能为 ( D )
第Ⅱ卷(非选择题 共60分)
二、填空题:(共6道小题,每小题5分,共30分)
9. 已知向量,3,5k r j i b k j i m a ++=-+=若//a b
则实数=m _____,=r _______。
答案:=m 15 =r 1
5
-。
10. 若向量(1,2,2),(2,1,2)a b =-=-
,且a 与b 的夹角余弦为_____________.
答案:
9
8。
11. 与双曲线116
92
2=-y x 有共同的渐近线、且焦点在y 轴上的双曲线的离心率为
答案:
4
5。
12. 椭圆
14
162
2=+y x 上的点到直线022=-+y x 的最大距离是_____________. 答案:
10
13. 已知圆22670x y x +--=与抛物线2
2y px = (p >0)的准线相切,则p =
答案:2。
14. 已知向量k j i ,,不共面,向量+-=2,23++-=,x +-=3共面,则=x
答案:7。
三、解答题:(共4道大题,6分+8分+8分+8分)
15. 已知命题p :方程
11222=--m y m x 表示焦点在y 轴上的椭圆,命题q :双曲线152
2=-m
x y
的
离心率)2,1(∈e ,若p 或q 为真命题,p 且q 为假命题,求实数m 的取值范围。
解:若命题p 为真命题:由方程
22121x y m m -=-化为22
112y x m m
+=-则 10
20
12m m m m
->⎧⎪
>⎨⎪->⎩
解得:0<m <13 ………………………………………(4分) 若命题q 为真命题:1<
55
m
+<4 解得: 0<m <15 …………………………………………(8分) 因为p 或q 为真命题,p 且q 为假命题 所以p q 、为一真一假
(1)若p q 真假 则 m ∈∅ …………………………………………(10分) (2)若p q 假真 则 1
3
m ≤<15 ……………………………………………(12分) 故m 的取值范围为
1
3
m ≤<15 …………………………………………(13分) 16. 如图,在四棱锥P ABCD -中,底面ABCD 为矩形,侧棱PA ⊥底面ABCD
,AB =1BC =,2PA =, E 为PD 的中点.(Ⅰ)求直线AC 与PB 所成角的余弦值;(Ⅱ)在侧面PAB
内找一点N ,使NE ⊥面PAC ,并求出点N 到AB 和AP 的距离
.
解:(Ⅰ)建立如图所示的空间直角坐标系,
则,,,,,A B C D P E 的坐标为(0,0,0)A 、
B
、,0)C 、(0,1,0)D 、
(0,0,2)P 、1
(0,,1)2
E ,
从而).2,0,3(),0,1,3(-==PB AC 设PB AC 与的夹角为θ,则
,14
7
37
23cos =
=
=
θ ∴AC 与PB 所成角的余弦值为
14
7
3.。
6分 (Ⅱ)由于N 点在侧面PAB 内,故可设N 点坐标为(,0,)x z ,则
)1,2
1
,(z x --=,由NE ⊥面PAC 可得,
⎪⎩⎪⎨⎧=+-=-⎪⎪⎩
⎪⎪⎨⎧=⋅--=⋅--⎪⎩⎪⎨⎧=⋅=⋅.021
3,01.0)0,1,3()1,21,(,0)2,0,0()1,21,(.
0,0x z z x z x AC NE AP NE 化简得即 ∴⎪⎩⎪⎨⎧==163z x 即N 点的坐标为)1,0,63(
,从而N 点到AB 和AP
的距离分别为1,
6
.。
12分 17. P 为双曲线
22
1169
x y -=上一点,12F F 、为左右焦点,1260F PF ∠= .(1)求△12F PF 的面积;(2)求P 点的坐标。
解:(1)由已知条件得:4,3,5a b c === …………………………………(1分) 根据双曲线的定义得:128PF PF -= ① ………………………(3分)
根据余弦定理得:22
2
12122cos 6010PF PF PF PF +-= …………(4分)
即2121212()22cos60100PF PF PF PF PF PF -+-=
②
由①代入②得:1236PF PF = …………………………………(6分)
12121
sin 602
F PF S PF PF ∆=
= …………………………………(7分)
(2)设点(,)P x y ,由121
252
F PF S c y y ∆== 得5y =……………(9分)
所以 y =±
…………(10分)
将y =2
2
(51169
x -=
解得:x =……………(12分)
所以P 或P 或(P 或(P …………………………………………(14分)
18. 已知函数2ln 83)(2
++=
x x x f ,x x g =)(.求函数)(2)()(x g x f x F ⋅-=的极值点; 解:由题知:x x x x F 22ln 8
3)(2
-++=的定义域为(0,+∞)………1分
∵x
x x x F 4)
2)(23()(--='……………………………………2分
∴函数)(x F 的单调递增区间为),2[32,0+∞⎥⎦
⎤
⎝⎛和 ,)(x F 的单调递减区间为]2,32[,
所以3
2
=x 为)(x F 的极大值点,……………………………3分
2=x 为)(x F 的极小值点, ……………………………4分。