2018版 模块综合测评1

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2018《模块综合检测》高考英语(北师大版)精练优化卷(一)(Book1)含答案

2018《模块综合检测》高考英语(北师大版)精练优化卷(一)(Book1)含答案

英语模块检测卷(一)(Book 1)考生注意:1.本试卷分第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,共8页。

2.答卷前,考生务必用蓝、黑色字迹的钢笔或圆珠笔将自己的姓名、班级、学号填写在相应位置上。

3.本次考试时间120分钟,满分150分。

4.请在密封线内作答,保持试卷清洁完整.第Ⅰ卷第一部分听力(共两节,满分30分)第一节(共5小题;每小题1。

5分,满分7。

5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B、C 三个选项中选出最佳选项,并标在试卷的相应位置。

听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。

每段对话仅读一遍。

1.How was the man's vacation?A.Good. B.Boring. C.Terrible.2.When is the project due?A.In one week.B.In two weeks.C.At the end of this semester.3.Where does the conversation take place?A.In a cafe。

B.On a plane。

C.In an office.4.What is Mr.Oliver like?A.Polite。

B.Helpful.C.Frank.5.What do we know about Jane?A.She is often late。

B.She is a bad driver.C.She hates waiting。

第二节(共15小题;每小题1。

5分,满分22。

5分)听下面5段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项,并标在试卷的相应位置。

听每段对话或独白前,你将有时间阅读各个小题,每小题5秒钟;听完后,各小题将给出5秒钟的作答时间。

每段对话或独白读两遍。

听第6段材料,回答第6、7题。

2017-2018学年人教A版高中数学五模块综合评价(一)含答案

2017-2018学年人教A版高中数学五模块综合评价(一)含答案

模块综合评价(一)(时间:120分钟满分:150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)1.若a>b,则下列正确的是()A.a2>b2B.ac>bcC.ac2>bc2D.a-c>b-c解析:A选项不正确,因为若a=0,b=-1,则不成立;B选项不正确,c≤0时不成立;C选项不正确,c=0时不成立;D选项正确,因为不等式的两边加上或者减去同一个数,不等号的方向不变.答案:D2.在△ABC中,A=60°,a=4错误!,b=4错误!,则B等于() A.45°或135° B.135°C.45°D.30°解析:因为A=60°,a=4错误!,b=4错误!,由正弦定理错误!=错误!,得sin B=错误!=错误!=错误!。

因为a>b,所以A>B,所以B=45°.答案:C3.数列1,1+2,1+2+4,…,1+2+22+…+2n-1,…的前n项和S n>1 020,那么n的最小值是()A.7 B.8C.9 D.10解析:因为1+2+22+…+2n-1=错误!=2n-1,所以S n=(2+22+…+2n)-n=错误!-n=2n+1-2-n.若S n〉1 020,则2n+1-2-n>1 020,所以n≥10.答案:D4.若集合M={x|x2>4},N=错误!,则M∩N=( )A.{x|x<-2}B.{x|2<x<3}C.{x|x<-2或x>3} D.{x|x>3}解析:由x2>4,得x<-2或x>2,所以M={x|x2>4}={x|x<-2或x>2}.又错误!>0,得-1<x<3,所以N={x|-1<x<3};所以M∩N={x|x<-2或x>2}∩{x|-1<x<3}={x|2<x<3}.答案:B5.已知各项均为正数的等比数列{a n},a1·a9=16,则a2·a5·a8的值为()A.16 B.32 C.48 D.64解析:由等比数列的性质可得,a1·a9=a错误!=16。

北师大版高中英语必修一2018版模块综合测评1

北师大版高中英语必修一2018版模块综合测评1

高中英语学习资料madeofjingetieji模块综合测评 ( 一 )Ⅰ.阅读理解 (共 15 小题;每题 2 分,总分值 30 分)AWith mild temperatures all year round and mountain hikes just steps away, it is no wonder that Vancouver is an outdoor sports place. Here are four great ways for you to try.Cycle the Vancouver seawall around Stanley ParkJust not far away from the downtown, the 10 km Vancouver seawall around Stanley Park is so popular that separate paths for wheeled and un-wheeled travellers have been built. It isn't unusual to see couples moving along the path on bicycles rented on Denman Street near the park entrance.Hike Pacific Spirit Regional ParkThe seawall around Stanley Park may be as crowded as a downtown street, but there're plenty of paths in the city for hikers who would like to be alone. In Pacific Spirit Regional Park, the great wilderness can make you forget you're still in the city. Go for a sunset walk along the sandy beaches, and go around Camosun Bog, a,00012 - year- old wetland.Kayak (皮划艇) around the coastlineThe view from the coast is wonderful, but from a kayak, the city takes on a different character. You can rent kayaks on Granville Island and at Jericho Beach,or even take to the waves with a guided tour. The guides are happy to point out seals, eagles and other wildlife.Bike the North Shore MountainsIf you prefer your mountain journeys on wheels rather than on foot, the rocky North Shore is also a place for mountain bikers. The paths at Cypress Mountain, Mount Seymour and Mount Fromme offer adventures through old forest.【语篇导读】本文介绍了温哥华值得一试的户外运动。

2018年浙科版生物必修1模块综合测评

2018年浙科版生物必修1模块综合测评

模块综合测评(时间:45分钟,分值:100分)一、选择题(12×6=72分)1.下列食物营养成分与鉴定试剂及显色反应之间的对应关系中,错误的是()A.淀粉:碘—碘化钾溶液,蓝色B.还原糖:本尼迪特试剂,红黄色C.油脂:苏丹Ⅲ染液,橙黄色D.蛋白质:双缩脲试剂,黄绿色【解析】蛋白质可用双缩脲试剂检测,但呈紫色。

【答案】 D2.如图表示细胞内某些有机物的元素组成和功能关系,其中A、B代表元素,Ⅰ、Ⅱ、Ⅲ、Ⅳ是生物大分子,图中X、Y、Z、P分别为构成生物大分子的单体。

下列叙述错误的是()A.图中A和B内存在有相同的元素B.图中组成Y物质的单糖是脱氧核糖C.图中Ⅰ在小麦种子中主要是指麦芽糖D.图中Ⅳ的多样性由Ⅱ决定【解析】从题图中物质的功能及分布可以确定Ⅱ为DNA,Ⅲ为RNA,Ⅳ为蛋白质。

组成DNA和RNA的元素是C、H、O、N、P,组成蛋白质的元素是C、H、O、N,有些还含有S、P,故A正确;根据题干及以上分析,Y为脱氧核苷酸,组成它的单糖是脱氧核糖,故B正确;小麦种子中的大分子能源物质主要是指淀粉,故C错误;DNA的多样性决定了蛋白质的多样性,故D正确。

【答案】 C3.将下列细胞或细胞器置于蒸馏水中,不会破裂的是()【导学号:36500115】A.红细胞B.叶绿体C.线粒体D.洋葱表皮细胞【解析】由于植物细胞最外层是细胞壁,对细胞有支持和保护作用,因此将植物细胞置于蒸馏水中,细胞不会破裂,细胞器由于没有其他结构的束缚,因此处于清水中,能涨破。

故D正确。

【答案】 D4.在动物细胞中,一些蛋白合成后被分泌到细胞外起作用,如胰岛β细胞分泌胰岛素到血液中降低血糖浓度,这些蛋白被统称为分泌蛋白。

下面与分泌蛋白合成和运输无关的细胞器是()A.核糖体B.中心体C.高尔基体D.内质网【解析】与分泌蛋白合成、运输、加工、分泌相关的细胞器有核糖体、内质网、高尔基体、线粒体;中心体与细胞分裂过程中纺锤体的形成有关,与分泌蛋白的合成没有关系。

教育最新K122018版高中物理模块综合测评粤教版选修1_1

教育最新K122018版高中物理模块综合测评粤教版选修1_1

模块综合测评(满分:100分时间:90分钟)一、选择题(本大题共10个小题,每小题4分,共40分.在每小题给出的四个选项中,有的小题只有一个选项正确,有的小题有多个选项正确.全部选对的得4分,选不全的得2分,有选错或不答的得0分)1.(多选)下列说法正确的是( )【导学号:75392152】A.电容器是一种储存电荷的装置B.避雷针是用来防止静电的C.电感器应用了电流的热效应D.电磁炉应用了电磁感应现象【解析】电容器的本领就是能储存电荷,故A选项对.避雷针是利用尖端放电防止雷击的,B错.电感器、电磁炉都是电磁感应现象,故C错,D对.【答案】AD2.下列设备的运行与电磁波无关的是( )A.医院里,医生利用B超可观察到母体内的婴儿情况B.“嫦娥一号”接收地面指挥中心的运行指令实现变轨而奔向月球C.汽车上安装有GPS(全球卫星定位系统)以确定行驶路线和距离D.在汶川大地震发生后救灾人员利用卫星电话恢复了与外界的通讯联系【解析】B超为超声波,是机械波.【答案】 A3.随着科学技术的不断发展,使用“传感器”进行控制的家用电器日益普及,我们日常生活中的空调器和电冰箱都使用了( )【导学号:75392153】A.压力传感器B.红外线传感器C.生物传感器D.温度传感器【解析】空调器和电冰箱都是利用了温度传感器.【答案】 D4.电脑显示器的玻璃荧光屏容易布满灰尘,这主要是因为( )A.灰尘的自然堆积B.玻璃有极强的吸附灰尘的能力C.电脑工作时,荧光屏表面有静电而吸附灰尘D.电脑工作时,荧光屏表面温度较高而吸附灰尘【解析】荧光屏工作时产生静电,吸引带有异号电荷的灰尘.【答案】 C5.如图1所示,PQ为某电场中的一条电场线,下列说法正确的是( )图1A.该电场一定是匀强电场B.该电场一定是点电荷产生的电场C.P点的电场强度一定比Q点的大D.正电荷在P点受到的电场力方向沿着电场线方向【解析】仅凭一条电场线无法确定是匀强电场,还是点电荷产生的电场,A、B错误;也无法比较P、Q点的电场强弱,C错误,只有D项正确.【答案】 D6.磁感线可以用来描述磁场,下列关于磁感线的说法不正确的是( )【导学号:75392154】A.磁感线的疏密表示磁场的强弱B.磁感线从S极出发,终止于N极C.匀强磁场的磁感线疏密分布均匀D.磁感线上任一点的切线方向表示该点的磁场方向【解析】磁感线的疏密表示磁场的强弱,A正确;磁感线是闭合曲线,在磁体外部从N极到S极,在磁体内部从S极到N极,B错误;匀强磁场的磁感线疏密分布均匀,C正确;磁感线上任一点的切线方向表示该点的磁场方向,D正确.【答案】 B7.关于电磁理论,下列描述正确的是( )A.电磁场不是一种物质B.静止的电荷能够在周期空间产生稳定的磁场C.稳定的磁场能够在周围空间产生稳定的电场D.变化的电场和变化的磁场互相激发,由近及远传播形成电磁波【解析】电磁场是一种客观存在的物质,A错误;静止的电荷不能在周围空间产生磁场,B错误;稳定的磁场不能够在周围空间产生电场,C错误;只有D正确.【答案】 D8.如图2所示的匀强磁场中有一个矩形闭合导线框.在下列四种情况下,线框中会产生感应电流的是( )图2A.如图甲所示,保持线框平面始终与磁感线平行,线框在磁场中左右运动B.如图乙所示,保持线框平面始终与磁感线平行,线框在磁场中上下运动C.如图丙所示,线框绕位于线框平面内且与磁感线垂直的轴线AB转动D.如图丁所示,线框绕位于线框平面内且与磁感线平行的轴线CD转【解析】甲、乙、丁中磁通量始终为零,不会产生感应电流.【答案】 C9.在下列各图中,表示磁场B方向、电流I方向及电流受力F方向三者关系正确的是( )【导学号:75392155】【解析】根据左手定则可判断A正确.【答案】 A10.在如图3所示的电路中,当a、b两端加上220 V的交流电压时,测得c、d间的电压为110 V.若在c、d两端加上110 V的直流电压,则a、b间的电压为( )图3A.220 V B.110 VC.100 V D.0【解析】由变压器的工作原理可知:变压器只能改变交流电压,而不能改变直流电压,所以此时输出电压为0.【答案】 D二、非选择题(本题共6个小题,共60分.解答应写出必要的文字说明、方程式和重要的演算步骤.只写出最后答案的不能得分,有数值计算的题,答案中应明确写出数值和单位)11.(6分)在电场中P 点放一个电荷量为4×10-9C 的点电荷,它受到的电场力为2×10-4N ,则P 点的场强为________ N/C.把放在P 点的点电荷的电荷量减为2×10-9C ,则P 点的场强为__________ N/C.把该点的点电荷移走,P 点的场强又为__________N/C.【解析】 根据场强的定义式得E =Fq=5×104N/C ,电场中某点的电场强度与试探电荷的大小、有没有试探电荷没有关系,它是由电场本身决定的,所以该点的电场强度不变.【答案】 5×1045×1045×10412.(8分)(1)有一段长度为5 cm 的导线垂直放置在匀强磁场中,当导线通过的电流是1 A 时,受到的安培力为0.01 N ,则该磁场的磁感应强度B =________T ;若将该导线平行磁场放置,则导线所受的安培力F =________N.(2)导体中的电流是5 mA ,那么在3.2 s 内有________C 的电荷定向移动通过导体的横截面,相当于______个电子通过该截面.【解析】 (1)B =F IL=0.2 T ,若I ∥B ,则F =0. (2)q =It =1.6×10-2 C ,n =q e=1017(个). 【答案】 (1)0.2 0 (2)1.6×10-2101713.(10分)真空中两个点电荷带有相等的电荷量,要使它们之间相距1 m 时的相互作用力等于1 N ,则每个电荷的电荷量是多少?等于电子电荷量的多少倍?【导学号:75392156】【解析】 由库仑定律F =kq 2r 2得q =1.05×10-5Cn =qe=6.56×1013. 【答案】 1.05×10-5C 6.56×1013倍14.(10分)有一个50匝的线圈,线圈的总电阻是200 Ω,在2 s 内线圈的电流是0.2 A ,求穿过线圈的磁通量的变化率是多少?【解析】 由欧姆定律:E =IR =40 V 由法拉第电磁感应定律E =n ΔΦΔt 得ΔΦΔt =En =0.8 Wb/s.【答案】 0.8 Wb/s15.(12分)质量为m 的带电小球用细绳系住悬挂于匀强电场中,如图4所示,静止时θ为60°,g 取10 m/s 2.求:图4(1)小球带何种电?(2)若将线烧断,2 s 末小球的速度是多大?【解析】 (1)由小球受到的电场力向左可判定小球带负电.(2)小球有两个状态:静止;线断后沿线的方向做初速度为0的匀加速直线运动. 由牛顿第二定律得:mgcos 60°=ma代入数据解得:a =2g v =at =40 m/s.【答案】 (1)负电 (2)40 m/s16.(14分)如图5所示,水平放置的平行金属导轨,表面光滑,宽度L 为1 m ,在其上放一金属棒,棒与导轨垂直,且通有0.5 A 、方向由a 向b 的电流.整个装置放在竖直方向的匀强磁场中.在大小为2 N 、方向水平向右,且与棒垂直的外力F 作用下,金属棒处于静止状态.求:【导学号:75392157】图5(1)所加磁场的方向; (2)磁感应强度的大小.【解析】 (1)安培力方向水平向左,由左手定则判定磁场方向竖直向下. (2)由F 安=BIL由平衡条件:F 安=F ,得:B =F IL =20.5×1T =4 T. 【答案】 (1)磁场方向竖直向下 (2)4 T。

2018版高中物理模块综合测评鲁科版选修1-1

2018版高中物理模块综合测评鲁科版选修1-1

模块综合测评(满分:100分 时间:90分钟)一、选择题(本题共10个小题,每小题4分,共40分.在每小题给出的四个选项中,有的小题只有一个选项正确,有的小题有多个选项正确.全部选对的得4分,选对但不全的得2分,有选错或不答的得0分.)1.真空中有两个静止的点电荷,它们之间的作用力为F ,若它们的带电荷量都增大为原来的2倍,距离减小为原来的1/2,它们之间的相互作用力变为( )A .F /2B .FC .4FD .16F【解析】 设两点电荷的带电荷量分别为Q 1、Q 2,距离为r ,由库仑定律可知F =k Q 1Q 2r 2,F ′=k 2Q 1·2Q 2r 22=16k Q 1Q 2r 2=16F ,故D 选项正确. 【答案】 D2.下列关于磁通量的说法正确的是( )A .放在匀强磁场中的平面垂直于磁场方向时,穿过平面的磁通量最大B .放在匀强磁场中的平面平行于磁场方向时,穿过平面的磁通量最大C .穿过线圈的磁通量为零,则该处的磁感应强度一定为零D .磁通量发生变化,一定是磁场发生变化引起的【解析】 当线圈平面与磁场方向平行时,穿过线圈的磁通量为零,但该处的磁感应强度不为零,所以B 、C 错误;引起磁通量变化的可能是平面的面积变化,也可能是磁场或平面与磁场方向间的夹角变化,故D 错误.【答案】 A3.(多选)带电荷量为+q 的粒子在匀强磁场中运动,下列说法中正确的是( ) 【导学号:18152134】A .只要速度大小相同,所受洛伦兹力就相同B .如果把+q 改为-q ,且速度反向、大小不变,则洛伦兹力的大小、方向均不变C .洛伦兹力方向一定与电荷速度方向垂直,磁场方向一定与电荷速度方向垂直D .粒子只受洛伦兹力的作用,其运动的动能不变【解析】 粒子速度方向不同,洛伦兹力大小也不同.洛伦兹力不做功,粒子只受洛伦兹力作用时,动能不变.【答案】 BD4.(多选)如图4所示,金属导线框ABCD 垂直于匀强磁场磁感线,磁感线垂直于纸平面,下列哪种情况下线框中有感应电流( )图4A .线框在图示平面匀速运动B .线框在图示平面加速运动C .绕线框AD 边转动D .线框绕AB 边转动【解析】 线框在纸面内无论匀速还是加速运动,穿过线框的磁通量都不变,故A 、B 所述情况下均无感应电流产生,线框绕AB 或AD 边转动时,磁通量不断变化,有感应电流产生,故C 、D 选项正确.【答案】 CD5.有一电子线路中使用的小变压器,变压比为220 V 60 V,由于使用时间长了分不清原、副线圈,其外形如图1所示,现要作为降压变压器使用,则电源(220 V)应接在( )图1A .ab 两端B .cd 两端C .ac 两端D .bd 两端【解析】 由变压器结构原理可知,线圈中的电流越大,应当用越粗的导线,在降压变压器中,原线圈的匝数多于副线圈的匝数,即n 1>n 2,又I 1I 2=n 2n 1,所以I 2>I 1,说明通过电流大的(I 2)线圈应是副线圈,导线相应要粗些,由图知,ab 线较粗,故输入电压(220 V)应接cd 两端.故正确答案为B.【答案】 B6.下面列出了不同品牌的电视机、电风扇、空调机和电冰箱铭牌上的主要项目,试判断正常工作时,其中功率最大的是( )54 cm 彩色电视机工作电压170~240 V 工作频率50 Hz 额定功率85 W BC -65B 电冰箱额定电压220 V 工作频率50 Hz 额定功率70 W 耗电量0.50 kW·h/24 hA B FS -69电风扇规格400 mm 额定电压220 V 工作频率50 Hz 额定功率65 WKFR -33 GW 空调机额定电压220 V 工作频率50 Hz 制冷/制热电流6.2 A C D【解析】 由题意可知,电视机正常工作时的功率为85 W ,电冰箱正常工作时的功率为70 W ,电风扇正常工作时的额定功率为65 W .而空调机正常工作时的功率为P 空调=IU =220×6.2 W =1 364 W ,故功率最大的为空调机.【答案】 D7.(多选)关于电磁感应,下列说法中正确的是( )A .导体相对磁场运动,导体内一定会产生感应电流B .导体做切割磁感线的运动,导体内一定会产生感应电流C .闭合电路在磁场中做切割磁感线的运动,电路中不一定会产生感应电流D .穿过闭合电路的磁通量发生变化,电路中一定会产生感应电流【解析】 电路中产生感应电流的条件是穿过闭合电路的磁通量发生变化,故C 、D 正确.【答案】 CD8.如图2所示,通电硬直导线ab 平行条形磁铁放置,导线可以在空中自由运动,其中的电流方向由a 到b ,则导线的运动情况为( ) 【导学号:18152135】图2A .a 端转向纸里,b 端转向纸外,且远离磁铁B .a 端转向纸里,b 端转向纸外,且靠近磁铁C .a 端转向纸外,b 端转向纸里,且远离磁铁D .a 端转向纸外,b 端转向纸里,且靠近磁铁【解析】 可用特殊位置法分析:在图示位置时,由左手定则知a 端受安培力向纸外,b 端受安培力向纸内;当转过90°时,导线受力向下指向磁铁.。

2017-2018学年A版高中数学一模块综合检测(一)含解析

模块综合检测(一)(时间120分钟,满分150分)一、选择题(本大题共12小题,每小题4分,共48分)1.已知集合A={x|y=错误!,x∈Z},B={y|y=x2+1,x∈A},则A∩B为( )A.∅ B.{1}C.[0,+∞) D.{(0,1)}解析:选B 由1-x2≥0得,-1≤x≤1,∵x∈Z,∴A={-1,0,1}.当x∈A时,y=x2+1∈{2,1},即B={1,2},∴A∩B={1}.2.函数f(x)=2x+3x的零点所在的一个区间是( )A.(-2,-1) B.(-1,0)C.(0,1)D.(1,2)解析:选B ∵f(x)=2x+3x,∴f(-1)=-错误!<0,f(0)=1〉0,故选B。

3.若函数f(x)=错误!则f(log43)=( )A。

错误!B。

错误!C.3 D.4解析:选C ∵log 43∈(0,1),∴f (log 43)=44log 3=3,故选C 。

4。

高为H 、满缸水量为V 的鱼缸的轴截面如图所示,其底部碰了一个小洞,满缸水从洞中流出,若鱼缸水深为h 时水的体积为v ,则函数v =f (h )的大致图象是( )解析:选B 水流速度恒定,开始鱼缸中水的高度下降快,逐渐越来越慢,到达中间,然后高度下降又越来越快,故排除选项A ,C,D ,选B 。

5.实数a =0。

2错误!,b =log 错误!0。

2,c =(错误!)0.2的大小关系正确的是( )A .a <c <bB .a 〈b 〈cC .b <a 〈cD .b <c 〈a解析:选C 根据指数函数和对数函数的性质,b =log 错误!0.2<0<a =0。

2错误!<1<c =(错误!)0.2.6.设α∈{-1,1,12,3},则使函数y =x α的定义域为R 且为奇函数的所有α的值为( )A.1,3 B.-1,1C.-1,3 D.-1,1,3解析:选A 当α=-1时,y=x-1=错误!,定义域不是R;当α=1,3时,满足题意;当α=错误!时,定义域为[0,+∞).7.函数y=f(x)是R上的偶函数,且在(-∞,0]上是增函数,若f(a)≤f(2),则实数a的取值范围是()A.(-∞,2]B.[-2,+∞)C.[-2,2]D.(-∞,-2]∪[2,+∞)解析:选D ∵y=f(x)是偶函数,且在(-∞,0]上是增函数,∴y=f(x)在[0,+∞)上是减函数,由f(a)≤f(2),得f(|a|)≤f(2).∴|a|≥2,得a≤-2或a≥2。

2018年秋高中数学 模块综合测评 新人教A版选修1-2

模块综合测评(时间:120分钟,满分:150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)1.如果z =m (m +1)+(m 2-1)i 为纯虚数,则实数m 的值为( )【导学号:48662218】A .1B .0C .-1D .-1或1B [由题意知,⎩⎪⎨⎪⎧m m +=0m 2-1≠0,∴m =0.]2.演绎推理“因为对数函数y =log a x (a >0且a ≠1)是增函数,而函数y =log 12x 是对数函数,所以y=log 12x 是增函数”所得结论错误的原因是( )A .大前提错误B .小前提错误C .推理形式错误D .大前提和小前提都错误A [对数函数y =log a x (a >0,且a ≠1),当a >1时是增函数,当0<a <1时是减函数,故大前提错误.] 3.i 是虚数单位,复数1-3i1-i的共轭复数是( )【导学号:48662219】A .2+iB .2-iC .-1+2iD .-1-2iA [∵1-3i 1-i =-+-+=4-2i 2=2-i ,∴1-3i1-i的共轭复数是2+i.] 4.用反证法证明命题“a ,b ∈N ,如果ab 可以被5整除,那么a ,b 至少有1个能被5整除.”假设的内容是( )A .a ,b 都能被5整除B .a ,b 都不能被5整除C .a 不能被5整除D .a ,b 有1个不能被5整除B [用反证法证明时,要假设所要证明的结论的反面成立,本题中应反设a ,b 都不能被5整除.] 5.实数的结构图如图1所示,其中1,2,3三个方格中的内容分别为( )【导学号:48662220】图1A .有理数、零、整数B .有理数、整数、零C .零、有理数、整数D .整数、有理数、零B [由实数的包含关系知B 正确.]6.在西非肆虐的“埃博拉病毒”的传播速度很快,这已经成为全球性的威胁.为了考察某种埃博拉病毒疫苗的效果,现随机抽取100只小鼠进行试验,得到如下列联表,下列结论正确的是( )B .在犯错误的概率不超5%过的前提下,认为“小动物是否被感染与有没有服用疫苗无关”;C .有97.5%的把握认为“小动物是否被感染与有没有服用疫苗有关”;D .有97.5%的把握认为“小动物是否被感染与有没有服用疫苗无关”.A [K 2=-230×70×50×50≈4.762>3.841,所以在犯错误的概率不超5%过的前提下,认为“小动物是否被感染与有没有服用疫苗有关”.]7.已知复数z 1=2+i ,z 2=1+i ,则z 1z 2在复平面内对应的点位于( )【导学号:48662221】A .第一象限B .第三象限C .第二象限D .第四象限D [z 1z 2=2+i 1+i =32-i 2,对应点⎝ ⎛⎭⎪⎫32,-12在第四象限.]8. 某考察团对全国10大城市进行职工人均工资水平x (千元)与居民人均消费水平y (千元)统计调查发现,y 与x 具有相关关系,回归方程为y ^=0.66x +1.562.若某城市居民人均消费水平为7.765(千元),估计该城市人均消费额占人均工资收入的百分比约为( )A .83%B .72%C .67%D .66%A [由(x,7.765)在回归直线y ^=0.66x +1.562上.所以7.765=0.66x +1.562,则x ≈9.4,所以该城市人均消费额占人均工资收入的百分比约为7.7659.4×100%≈83%.]9.已知结论:“在正三角形ABC 中,若D 是BC 的中点,G 是三角形ABC 的重心,则AG GD=2”.若把该结论推广到空间,则有结论:在棱长都相等的四面体A ­BCD 中,若△BCD 的中心为M ,四面体内部一点O 到四面体各面的距离都相等,则AO OM等于( )A .1B .2C .3D .4C [面的重心类比几何体的重心,平面类比空间,AG GD =2类比AO OM=3,故选C.] 10.如图2所示的程序框图是为了求出满足3n-2n>1 000的最小偶数n ,那么在和两个空白框中,可以分别填入( )【导学号:48662222】图2A .A >1 000和n =n +1B .A >1 000和n =n +2C .A ≤1 000和n =n +1D .A ≤1 000和n =n +2D [因为题目要求的是“满足3n-2n>1 000的最小偶数n ”,所以n 的叠加值为2,所以内填入“n =n +2”.由程序框图知,当内的条件不满足时,输出n ,所以内填入“A ≤1 000”.故选D.]11.甲、乙、丙、丁四位同学一起去向老师询问成语竞赛的成绩.老师说:你们四人中有2位优秀,2位良好,我现在给甲看乙、丙的成绩,给乙看丙的成绩,给丁看甲的成绩.看后甲对大家说:我还是不知道我的成绩.根据以上信息,则( )。

2018-2019学年高中英语 模块综合检测1 北师大版必修1

模块综合检测(一) Units 1-3Ⅰ.阅读理解(共15小题;每小题2分,满分30分)ASix people are talking about the newly­built garden on the roof of their building.Jasmine:I loved the idea when Wilber first told me about it.We had lots of meetings with our neighbors,trying to make them understand why it's good to build a garden on the roof.Now people love coming here,and we have made a lot of friends!Wilber:The whole thing wasn't easy at first.But Jasmine helped a lot.And she was really good at making people happy to donate (捐赠) money for the roof garden.David:My kids love going up there.They sit there watching butterflies and birds.The roof garden brings them closer to nature.Samuel:You want something green? Visit the park! It's only one block away! After the roof garden was built,small insects started flying into my room! And the kids leave mud on the stairs when they come down from the roof!Rosie:Our building is now cooler in the summer.My baby sleeps well even on hot summer days!Flora:Guess where these tomatoes are from! Not from the supermarket.They're from our roof! It's wonderful,isn't?【语篇解读】本文主要讲了六个人对于新建的屋顶花园发表了自己的看法。

2018-2019学年高中英语 模块综合检测1 北师大版必修1

模块综合检测(一) Units 1-3Ⅰ.阅读理解(共15小题;每小题2分,满分30分)ASix people are talking about the newly­built garden on the roof of their building.Jasmine:I loved the idea when Wilber first told me about it.We had lots of meetings with our neighbors,trying to make them understand why it's good to build a garden on the roof.Now people love coming here,and we have made a lot of friends!Wilber:The whole thing wasn't easy at first.But Jasmine helped a lot.And she was really good at making people happy to donate (捐赠) money for the roof garden.David:My kids love going up there.They sit there watching butterflies and birds.The roof garden brings them closer to nature.Samuel:You want something green? Visit the park! It's only one block away! After the roof garden was built,small insects started flying into my room! And the kids leave mud on the stairs when they come down from the roof!Rosie:Our building is now cooler in the summer.My baby sleeps well even on hot summer days!Flora:Guess where these tomatoes are from! Not from the supermarket.They're from our roof! It's wonderful,isn't?【语篇解读】本文主要讲了六个人对于新建的屋顶花园发表了自己的看法。

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模块综合测评(一)(时间:100分钟;满分:120分)【XZB2017TBYLYYB01013】Ⅰ.阅读理解(共15小题;每小题2分,满分30分)阅读下列短文,从每题所给的四个选项(A、B、C和D)中,选出最佳选项。

AOn the first day of my new high school,I almost had a nervous breakdown. Everything about the school seemed so difficult.When I got home,my parents said,“You're nervous and that's okay.Everyone is af raid of high school.” I denied it.I wanted to be strong,so I refused to let anyone know about my fear,even my closest friends.On the first day I was late for every class and was constantly lost.The school seemed like a puzzle that I couldn't figure out.Was this how the whole year was going to be?I didn't think I could rise to this challenge,especially carrying a huge backpack that I could hardly lift.It was so big that I could knock someone out with it! The schoolmates seemed to regard me as a fool,and they were probably right.Despite my fears,after the first week I finally had my schedule figured out.With the exception of falling up and down the stairs a couple of times and getting laughed at,high school was turning out to be not so bad.It was actually much better than middle school and much more challenging.Since then,I've been elected vice president of my class,which wasn't much of a victory since only three people ran for the four positions.It is normal to be scared about a new school.Take a deep breath and relax.High school is something that any student can overcome.Make sure you participate in some out-of-class activities because you'll find it easier to make friends.Try to do your best,even if it isn't straight A's.Most important of all,be who you are,whether you're a “fool”,an athlete,or a lower grader.Don't try to pretend to be someone you're not.Now you know the true secrets of high school.1.The main reason for the author's fear on his first day is that ________.A.he was unable to work out the puzzleB.his schoolmates were unfriendly to himC.he was not familiar with the new surroundingsD.his schoolbag was too heavy for him to carry2.From the author's first day experience we can infer that ________.A.his home was far from the schoolB.he got to school after classes beganC.he didn't get any school scheduleD.he didn't know the right way to class3.After his first week at school,the author ________.A.was still not accustomed to the scheduleB.gradually adjusted himself to the new schoolC.found high school not so challenging as he had imaginedD.ran for president of his class against three other students4.According to the passage,the secret of the author's success lies mainly in ________.A.making more friendsB.getting more A's at schoolC.being who he really isD.joining in out­of­class activitiesBTo most of us,school means classes,teachers,schedules,grades,and tests.But for the children at Sudbury Valley School in Massachusetts,school is very different.Firstly,there are no lessons.All the children,aged between 4 and 19,do whatever they want.There are no teachers,only “staff members”.The idea behind this is that you do not need to make children learn,because children want to learn anyway.“You do not need to say to the three­year­olds,‘Go explore your environment.’You can't stop them!”says Daniel Greenberg,a founder of the school.“But if you make children do what you want all day,they will lose all tastes for learning.”At Sudbury Valley School,you will permit children to talk,read,paint,cook,work on computers,study French,play the piano,climb trees,or just run around.Two boys spent three years just fishing!The other way that Sudbury Valley School is different is that the children can decide the rules.Every week,there is a school meeting where both children and staff have one vote each—even the four-year-olds.They decide the school rules,how to spend the school budget,and even which staff they want and do not want anymore.When the school first opened in 1968,people said it would never work.But today,the school has 200 students,and 80% of its students go on to college.Even the two boys who went fishing all the time have successful careers today.One of them is a musician and the other is a computer scientist.5.What is the main topic of the article?A.An unusual school.B.Children's hobbies.C.A school without rules.D.Education in the US.6.What does the school believe?A.Teachers cannot teach children well.B.Children learn best when they do what they want to do.C.Learning is for adults—children should only play.D.Children should only learn about one thing at a time.7.What does Daniel Greenberg say about the three-year-olds?A.They love learning.B.They are very naughty.C.They want to be outside all the time.D.They are too young to learn anything.8.What happens to the children after they leave this school?A.They do the same things as children from other schools.B.They have problems getting into college or getting a job.C.They usually do very good jobs.D.They are not successful.CIt feels like every time my mother and I start to have a conversation,it turns into an argument.We talk about something as simple as dinner plans and suddenly,my mother will push the conversation into the Third World War.She'll talk about my lack of bright future because I don't plan to be a doctor.And much to her disappointment,I don't want to do any job related to science,either.In fact,when I was pushed to say that I planned to major (主修) in English,she nearly had a heart attack.“Why can't you be like my co­worker's son?”she bemoans all the time.Her co-worker's son received a four-year scholarship (奖学金) and is now earning 70,000 dollars a year as an engineer.I don't know what to say except that I simply can't be like Mr.Perfect as I've called the unnamed co­worker's son.I can't be like him.I am the type of the person who loves to help out in the community,write until the sun goes down,and most of all,wants to achieve a career because of loving it,not because of fame or salary.I understand why my mother is worried about my future major.I've seen my mother struggle to raise me on her small salary and work long hours.She leaves the house around 6:30 a.m. and usually comes back home around 5 p.m. or even 6 p.m.However,I want her to know that by becoming a doctor,it doesn't mean I'll be successful.I'd rather follow my dreams and create my own future.9.Which of the following topics do the writer and his mother often talk about?A.The writer's studies.B.Wars around the world.C.Dinner plans.D.The writer's future job.10.The underlined word “bemoans” in Paragraph 2 most probably means“________”.A.agrees B.shoutsC.smiles D.complains11.Which of the following statements is probably TRUE about the writer?A. He wants to be like the son of his mother's co­worker.B.He wants to find a job in his community in the future.C.He wants to do something he really likes in the future.D.He doesn't think the son of his mother's co­worker is perfect.12.We can know from the last paragraph that________.A.the writer's mother works very hard for the familyB.the writer doesn't know what his future will be likeC.the writer doesn't think being a doctor is goodD.the writer sometimes thinks his mother's advice is very goodDAre you having too much salt? You might not think so,but people in China eat on average (平均) about 12 grams of salt each day,that is much higher than the 6 grams suggested by the World Health Organization.You could be eating too much without realizing it,because about 75% of the salt we eat is already in the food we buy,such as bread,sauces,soups and sausages.What problems can eating too much salt cause? To answer that question,first let's take a look at what salt is.Salt is a chemical compound.It is made of sodium (钠) and chloride (氯化物).Salt is used to keep and flavor foods.A small amount of salt is important for good health because our bodies need sodium and chloride to work.But past studies have found that people who eat more salt than they need tend to have high blood pressure.Eating too much salt has also been connected with other conditions,such as heart and kidney (肾) problems.If you want to cut down on salt,the good news is there are plenty of simple things to do.Here are some tips:*Cut back on high salt foods.Most foods contain some salt.But some foods such as cheese,bacon,pickles (泡菜),smoked fish and chips are almost always high in salt because of the way they are made.You can still enjoy them,but try to have these in smaller amounts,or eat them less often.*Choose reduced salt bread and breakfast cereals.Bread and breakfast cereals (谷物) are major source of salt in the diet,not that they're necessarily high in salt but because we eat a lot of them.For these foods,therecan be a really big difference between different types and brands.So next time you're shopping,take the time to compare the salt levels on a few similar products.And always try to choose the ones lower in salt.*Avoid adding salt to cooking and at table.Instead,you could use herbs and spices (香料) such as garlic (大蒜) and lemon juice to add flavor to meals.13.Many people in China don't realize they are eating too much salt because ________.A.salty food tasted better than reduced salt foodB.they do not calculate the amount of salt they eatC.about 3/4 of the salt we eat is already in the food we buyD.few people experience problems from eating too much salt14.For a healthier life,the author's suggestion is to ________.A.cut back on food with less saltB.eat less heavily salted foodC.eat as much reduced salt bread as is wantedD.stop eating bread and breakfast cereals15.What is the purpose of the article?A.To warn people of food containing too much salt.B.To inform people of the right amount of salt taken each day.C.To advise people to be careful about the amount of salt they eat.D.To promote (促进) the right way to make reduced salt food.Ⅱ.阅读填句(共5小题;每小题2分,满分10分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。

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