江苏省张甸中学周练试卷17
江苏省盐城中学高三英语 周练十七(1)
江苏省盐城中学2014届高三英语周练十七（1）第I卷选择题（共85分）第一部分：听力(共两节，满分20分)第一节（共5小题；每小题1分，满分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. What is the relationship between the two speakers?A. Doctor and patient.B. Salesman and customer.C. Husband and wife.2. What does the man mean?A. He likes playing football very much.B. He will go to play football.C. He didn’t go to play football.3. How much should the change be?A. $5.5.B. $4.5.C. $4.4. Why does the man eat so little?A. He isn’t very well.B. He is on diet.C. He worries about something.5. What will the woman most probably do next?A. She will give the man her note to copy after class.B. She will lend the man her pencil and paper.C. She will buy some pencils and paper for the man.第二节（共15小题；每小题1分，满分15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。
2024-2025学年江苏省苏州市张家港第一学期高二期中调研测试数学试卷(含答案)
2024-2025学年江苏省张家港市第一学期高二期中调研测试数学试卷一、单选题：本题共8小题，每小题5分，共40分。
在每小题给出的选项中，只有一项是符合题目要求的。
1.空间四边形OABC 中，OA =a ，OB =b ，OC =c ，点M ，N 分别为OA ，BC 中点，则MN 等于( )A. 12a−12b +12c B. −1a +12b +1c C. 12a +12b−12cD. 12a−12b−12c2.若直线l 沿x 轴向左平移4个单位长度，再沿y 轴向上平移2个单位长度后，回到原来的位置，则直线l 的斜率是( )A. 12B. −12C. 2D. −23.已知动点M 与两定点O(0,0)，A(0,3)的距离之比为12，则动点M 的轨迹方程为( )A. x 2+y 2+2y−3=0 B. x 2+y 2+2x−3=0C. x 2+y 2−8x +12=0D. x 2+y 2−8y +12=04.经过点P(0,−1)作直线l ，若直线l 与连接A(−3,2)，B(2,1)两点的线段总有公共点，则直线l 的倾斜角α的取值范围是( )A. [0,π)B. [0,π4]∪[3π4,π)C. [π4,3π4]D. [π4,π2)∪(π2,3π4]5.若两直线l 1:x +2ay +2=0，l 2:(3a−1)x−ay−1=0平行，则实数a 的取值集合是A. {0 , 16}B. {0}C. {16 }D. {12,1}6.已知圆C 的圆心在直线x−y−5=0上，并且圆C 经过圆x 2+y 2+6x−4=0与圆x 2+y 2+6y−28=0的交点，则圆C 的圆心是( )A. (12,−92)B. (92,−12)C. (4,−1)D. (1,−4)7.过点P(2,0)有一条直线l ，它夹在两条直线l 1:2x−y−2=0与l 2:x +y +3=0之间的线段恰好被点P 平分，则三条直线围成的三角形面积为( )A. 103B. 203C. 403D. 5038.已知矩形ABCD ，AB =3，AD =3，M 为边DC 上一点且DM =1，AM 与BD 交于点Q ，将△ADM 沿着AM 折起，使得点D 折到点P 的位置，则sin ∠PBQ 的最大值是( )A. 13B.33 C. 23D.1010二、多选题：本题共3小题，共18分。
江苏省姜堰市张甸中学2021-2021学年七年级英语下学期第一次月考试题 牛津译林版
七英语第二学期第一次月考试卷 一. 单项选择 （每小题1分，共25分）
— No. He always goes to work on bus. A. \; a B. a; \ C. a; a D. the; a ( )2. Millie wants to be a(n) in the future. She loves colours. A. engineer B. artist C. nurse D. waiter ( )3. I must thank Andy helping me so much my Chinese. A. with; for B. for; for C. for; with D. with; with ( )4. Don’t always eat cold food. You’ll feel after having too much. A. comfortable B. nice C. sick D. well
A. fix B. design C. look D. check ( )6. Now the phone is so helpful in our life. It a mini computer. A. likes B. is like C. is liking D. like
A. wrong something B. something wrong C. anything wrong D. wrong anything ( )8. — There lots of information about sports on ESPN. com. — That’s true. But most of it is in English. A. has B. have C. are D. is ( )9. — I want to be a volunteer in the coming YOG (青年奥运会). — cool! That will help you make more friends. A. Listens B. Looks C. Sounds D. Hears ( )10. — Never walk on the left of the road, boys! — Sorry. We do that again. A. won’t B. don’t C. can’t D. am not ( )11. I like chatting with my parents. They have many ways to make me happy. A. to feel B. feeling C. to feeling D. feel
江苏泰州姜堰张甸中学届高三数学期中调研三试题苏教版
江苏泰州姜堰张甸中学 2014届高三数学期中调研三一、填空题：本大题共14小题，每小题5分，共70分。
不需要写出解答过程，请把答案直接填在答题卡相应位置上。
1、集合},3,2,0,1,2{--=A ,集合},1|||{R x x x B ∈>=,集合B A 的真子集有 ▲ 个．2、命题“∈∃x R ,0123=+-x x ”的否定是 ▲ ．3、已知cos α＝513，且α是第四象限角，则sin(－2π＋α)＝ ▲ ．4、函数21log (2)y x =-的定义域为 ▲ ．5、“22ab>”是22log log a b >”的 ▲ 条件. 6、已知幂函数3-m m 22)1-()(+=x m-m x f 在()∞+，0上为减函数，则m = ▲ ．7、已知角θ的终边经过点P (－4cos α，3cos α)(π2<α<3π2)，则sin θ＋cos θ＝▲ ．8、设n S 为等差数列{}n a 的前n 项和,8374,2S a a ==-,则9a = ▲ .9、已知向量()()1,,,1a m b n ==，若a b ∥，则22m n +的最小值为 ▲ .10、设函数3y x =与()212x y -=的图象的交点为()00,x y ，且()0,1,x mm m Z∈+∈，则m =▲ .11、设公差为d 的等差数列{}n a 的前n 项和为n S ，若11a =，21179d -<<-，则当n S 取最大值时，n 的值为 ▲ .12、如果实数,x y 满足不等式组1,10,220,x x y x y ≥⎧⎪-+≤⎨⎪--≤⎩则221x y +-的最小值是 ▲ .13、已知二次函数()241f x cx x a =-++的值域是[)1,+∞，则19a c+的最小值是 ▲ .PM14、不等式221(1)x m x ->-对满足2m ≤的所有m 都成立，则x 的取值范围是 ▲ . 二、解答题：本大题共六小题，共计90分.15、（本小题满分14分函数2()lg(23)f x x x =--的定义域为集合A ，函数()2(2)x g x a x =-≤的值域为集合B ．（Ⅰ）求集合A ，B ；（Ⅱ）若集合A ，B 满足U B C A ⋂=∅ ,求实数a 的取值范围．16、（本小题满分14分在ABC ∆中，角A 、B 、C 所对的边分别为a 、b 、c ，且()2cossin 22A A f A =22sin cos 22A A +-（）（）． （Ⅰ）求函数()f A 的最大值； （Ⅱ）若()0f A =，512C π=，a =b 的值．17、（本小题满分14分已知函数)0(22)(2≠++-=a b ax ax x f ，在区间[]3,2上有最大值5，最小值2。
江苏省苏州市昆山、太仓、常熟、张家港市2023-2024学年第二学期初二数学期中试题(含答案)
2023～2024学年第二学期阶段性学业水平阳光测评初二数学2024.04（满分130分，时长120分钟）一、选择题（本大题共8小题，每小题3分，共24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，请把正确答案填在答题卡相应的位置上．）1．为了节能减排，国家积极倡导使用新能源汽车，新能源汽车发展也取得了巨大成就．下列新能源汽车的车标既是中心对称图形又是轴对称图形的是（）．A ．B ．C ．D ．2．下列调查中，适合采用普查方式的是（）．A ．了解某种型号电灯泡的使用寿命B ．了解央视“新闻联播”收视率的情况C ．检查北斗卫星上零部件的质量D ．调查长江的水质情况3．对于分式，下列说法错误的是（）．A ．当时，分式有意义 B ．当时，分式值为0C ．当时，分式的值为D ．分式的值不可能为24．对于反比例函数，下列说法正确是（）．A ．函数图象位于第一、三象限 B ．函数图象经过点C ．函数图象关于y 轴对称D ．时，y 随x 值的增大而增大5．如图，在中，点E 、F 分别是AB 、AC 的中点，连接EF ，若，则AD 的长为（）．A ．1.5B ．3C ．4.5D ．66．在中，对角线AC 、BD 相交于点O ，添加下列一个条件，能使成为矩形的是（）．A ．B ．C ．D ．23x x -3x ≠3x =1x =1-6y x=-()2,3--0x >ABCD Y 1.5EF =ABCD Y ABCD Y AB BC =ABC ADC ∠=∠AC BD=AC BD⊥7．反比例函数的图象上有三点，，，已知，则，，的大小关系为（）．A ． B ． C ． D ．8．如图，正方形ABCD 边长为1，延长BC 至点E ，使得，AF 平分交BC 于点F ，连接DF ，则下列结论：①；②AE 平分；③；④．A ．①②③B ．①②④C ．①③④D ．②③④二、填空题（本大题共8小题，每小题3分，共24分．请将答案填在答题卡相应的位置上）9．在一个不透明的口袋内有大小和形状相同的4个白球和2个红球，搅匀后从中摸出2个球，摸到1个白球和1个红球的是__________事件（填“必然”、“随机”或“不可能”）．10．分式的计算结果是__________．11．已知反比例函数，点是反比例函数图象上一点，则的值是__________．12．如图，为测量平地上一块不规则区域（阴影部分）的面积，在不规则区域外画一个面积为的正方形，现向正方形内随机投掷小球（假设小球落在正方形内每一点都是等可能的），经过大量重复投掷试验，发现小球落在不规则区域的频率稳定在0.4，由此可估计该不规则区域的面积为__________．13．如图，在平面直角坐标系中，线段AB 的端点A 、B 分别在x 轴和y 轴的正半轴上，点A 的坐标，，将线段AB 绕点A 顺时针旋转得到线段AC ，反比例函数经过点C ，则k 的值是__________．2y x=-()11,A x y ()22,B x y ()33,C x y 1230x x x <<<1y 2y 3y 123y y y >>321y y y >>312y y y >>132y y y >>BE =BAE ∠AF EF =DAF ∠DF AE ⊥1CF =3311a a a ---8y x =(),A m n 4mn -24m 2m ()2,0AB =90︒()0k y k x=≠14．如图，在矩形ABCD 中，对角线AC 与BD 相交于点O ，延长AB 到E ，使，连接CE ，过点A 作于点F ，若，，则AF 的长为__________．15．如图，将矩形ABCD 对折后的折痕为MN ，已知，点E 在边BC 上，连接DE ，将沿DE 折叠，点C 恰好落在点M 上，则CE 的值是__________．16．如图1，在菱形ABCD 中，点P 沿方向从点A 移动到点C ，设点P 的移动路程为x ，线段AP 的长为y ，点P 在运动过程中y 与x 的变化关系如图2所示，点P 运动到BC 边上时，当，y 的值最小为12，则a 的值是__________．三、解答题（本大题共82分．解答时应写出必要的计算或说明过程，并把解答过程填写在答题卡相应的位置上．）17．（本题满分4分）解下列方程：．18．（本题满分6分）化简求值：，其中．19．（本题满分8分）如图，在直角坐标系中，的三个顶点分别是，，．（1）将向上平移4格，画出平移后的；BE AB =AFCE ⊥3AB =5BD =4AB =DEC △A B C --18x =2124111x x x -=-+-23111x x x x -⎛⎫÷+- ⎪--⎝⎭2x =-ABC △()1,4A -()5,4B -()4,1C -ABC △111A B C △（2）将以点O 为旋转中心顺时针旋转，画出旋转后对应的；（3）与关于点M 成中心对称，则对称中心M 的坐标是__________．20．（本题满分8分）某校为了解八年级学生课外阅读的时间，从八年级随机抽取了部分学生，调查他们平均每周的课外阅读时间（单位：h ），整理所得数据绘制成如下不完整的统计图表．根据以上图表信息，回答下列问题：（1）这次被调查的同学共有__________人，__________；（2）C 组所在扇形圆心角n 的度数是__________°；（3）八年级共600名学生，请你估计八年级学生中平均每周的课外阅读时间不少于的人数．21．（本题满分6分）某学校组织学生去离学校的红色基地开展研学活动，先遣队员和大队同时出发，先遗队的速度是大队速度的1.2倍，结果先遗队比大队早到．求先遣队和大队的速度各是多少？22．（本题满分6分）很多学生由于用眼不科学，导致视力下降，需要佩戴眼镜．研究发现，近视眼镜的度数y 度与镜片焦距x 米成反比例，且y 与x 的反比例函数图象如图所示．（1）当近视眼镜的度数是400度时，镜片焦距是多少米？（2）小明原来佩戴300度的近视眼镜，经过一段时间的矫正治疗加注意用眼健康，复查验光时，所配镜片焦距调整为0.4米，则小明的眼镜度数下降了多少度？ABC △180︒222A B C △111A B C △222A B C △m =8h 60km 0.2h23．（本题满分8分）如图，菱形ABCD 的对角线AC ，BD 相交于点O ，过点D 作交BC 的延长线于点E ，连结OE ．（1）求证：四边形ACED 为平行四边形；（2）若，，求OE 的长．24．（本题满分8分）如图，点A 是反比例函数图象上一点，过点A 作y 轴的平行线，交函数的图象于点B ，连接OB ，交反比例函数的图象于点C ，已知．（1）求k 的值；（2）连接AC ，若点A 的横坐标为4，求的面积．25．（本题满分8分）定义：若点A 在一个函数图象上，且点A 的横、纵坐标相等，则称点A 为这个函数的“等点”．（1）关于“等点”，下列说法正确的有__________；①函数有两个“等点”；②函数有一个“等点”；③函数没有“等点”．（2）已知反比例函数与一次函数的图象上有同一个“等点”，求反比例函数的表达式；（3）函数的图象上有两个“等点”A 、B ，设A 、B 两点之间的距离为m ，若DE BD ⊥6AC =8BD =12y x =2k y x=12y x =3AOB S =△AOC △2y x =4y x =+3y x =-()0x y k k =≠6y x =--k y x=k 的取值范围是__________．26．（本题满分10分）如图1，将一张矩形纸片ABCD 沿直线MN 折叠，使点C 落在点A 处，点D 落在点E 处，直线MN 交BC 于点M ，交AD 于点N ．（1）若，则__________°；（2）如图2，连接CN ．求证：四边形AMCN 为菱形；（3）若的面积与的面积比为，，求MN 的长．27．（本题满分10分）如图，在四边形ABCD 中，，，，，．动点M 从点B 出发沿边BC 以速度向终点C 运动；同时动点N 从点D 出发，以速度沿射线DA 运动，当点M 到达终点时，点N 也随之停止运动，设点M 运动的时间为t s ．（1）当时，AM ＝__________；（2）是否存在t 的值，使得A ，B ，M ，N 为顶点的四边形为平行四边形？若存在，求出t 的值；若不存在，请说明理由；（3）若动点M 关于直线BN 对称的点恰好落在直线AB 上，请直接写出t 的值．m <<32BAM ∠=︒ANM ∠=AMN △ABM △3:11BM =AD BC ∥60B ∠=︒90C ∠=︒6cm AB =10cm AD =2cm s 4cm 3t =11。
江苏省姜堰市张甸中学高三英语一轮复习 Module2 Unit1 现在完成时和现在完成进行时 练习
江苏省姜堰市张甸中学高三英语一轮复习：Module2 Unit1 现在完成时和现在完成进行时练习现在完成时与现在完成进行时练习篇A. Correct the following sentences.1. All these years they are contributing articles to our magazine.2. I have been drinking five cups of coffee this afternoon.3. What have you been doing before you left Oxford?4. It's a good job. Have you done it all by yourself?5. It's a long time since you come to see me.6. Alice didn't see much of Henry lately.7. I'm glad to tell you that you passed the exam.B. Complete the following sentences with the right form of the verbs given.1. You know, I ________ (look) for a job for three months, and this is my first formal interview.2. My sister ________ (stay) in Beijing for three months last year.3. The little boy is dirty all over because he ________ (play) in the mud all the morning.4. I ________ (wonder) if you were free this afternoon.5. Here he is! We ________ (wait) anxiously for him since last night.C. Make the best choices.1. —I’m sure Andrew will win the first prize in the final.— I think so. He ________ for it for months. (2020江苏)A. is preparingB. was preparingC. had been preparingD. has been preparing2. By the time he realizes he _________ into a trap, it’ll be too late for him to do anything about it. (2020山东)A. walksB. walkedC. has walkedD. had walked3. So far this year we _______ a fall in house prices by between 5 and 10 percent. (2020福建)A. sawB. seeC. had seenD. have seen4. Cathy is taking notes of the grammatical rules in class at Sunshine School, where she ______ English for a year. (2020湖南)A. studiesB. studiedC. is studyingD. has been studying5. Danny _________ hard for long to realize his dream and now he is popular. (2020福建)A. worksB. is workingC. has workedD. had worked6. —I have got a headache.—No wonder. You_________ in front of that computer too long. (2020江西)A. workB. are workingC. have been workingD. worked7. The unemployment rate in this district_______ from 6% to 5% in the past two years. (2020上海)A. has fallenB. had fallenC. is fallingD. was falling8. Now that she is out of job, Lucy ___ going back to school，but she hasn’t decided yet.(北京)A. had consideredB. has been consideringC. consideredD. is going to consider9. —______ you ______ him around the museum yet? (2020江苏)—Yes. We had a great time there.A. Have ; shownB. Do ; showC. Had; shownD. Did; show10. —Hi, Tracy，you look pale.—I am tired. I _______ the living room all day.A. paintedB. had paintedC. have been paintingD. have paintedKey：A. 1. are→have been 2. have been drinking→have drunk 3. have→had4. Ha ve you done→Did you do5. come→came6. didn't seen→hasn't seen7. passed→have passedB. 1. have been looking 2. stayed 3. has been playing/ has played4. wondered5. have been waitingC. 1-5 DCDDC 6-10 CABA C巩固练习1. He _____ with his first teacher for quite a long time.A. lost touchB. got in touchC. lost in touchD. has been out of touch2. Mary _____ Green for five years.A. has marriedB. has married withC. marriedD. has been married to3. It's the third time I ______him this month.A. had seenB. have seenC. sawD. see4. Tom ________for more than a week.A. has been awayB. has gone awayC. went awayD. has left5. We _____each other since I left Shanghai.A. haven't seenB. hadn't seenC. didn't seeD. wouldn't see6. He ________with us since he returned last month.A. livesB. livedC. had livedD. has lived7. They _____here for more than a month.A. have arrivedB. have reachedC. have comeD. have been8. Comrade Wang ____the Party for about three years.A. has attendedB. has joinedC. has been inD. has taken part in9. The book _____on the floor for ten minutes, but no one has picked it up.A. is lyingB. has lainC. has been lyingD. lay10. I _______from him so far.A. didn’t hearB. don't hearC. haven't heardD. hadn't heard11. Great changes ________in my hometown in the past few years.A. were taken placeB. have been taken placeC. took placeD. have taken place12. ________ the new color film ________this year?A. Has; been shownB. Did; showC. Are; shownD. Will; show13. ---Why does Mary look to be so sorry?---Because she _________by her classmates.A. has been laughedB. has laughed atC. was laughedD. has been laughed at14. For this he _________on twice.A. has operatedB. has been operatedC. had been operatedD. operated15. I haven’t seen you for quite some time. What ______lately?A. were you doingB. did you doC. have you been doingD. had you done16. The house looks much bigger now that we _______ the walls in brighter colours.A. are paintingB. have paintedC. had paintedD. have been painting17. ---How about my food? I _______ here for almost half an hour.---I’m sorry, sir. It must be ready by now.A. have been sittingB. am sittingC. had been sittingD. was sitting18. Mary ___________ at this school for thirty years but she hasn’t decided to retire.A. has been taughtB. has been teachingC. taughtD. had taught19. I ______ always ______ of him, but I can’t see him.A. had; been thinkingB. have; been thinkingC. was; thinkingD. have; thought20. Although medical science ______ control over several dangerous diseases, what worriesus is that some of them are returning.A. achievedB. has achievedC. will achieveD. is achieving21. —Is it hard to drive downtown to work?—Yes, that’s why I to work by train.A. have been goingB. have goneC. was goingD. will have gone22. Every possible means _____, but none proves successful.A. has triedB. have been triedC. is being triedD. has been tried23. —It is said that another new car factory _____.—Yeah. It _____ for nearly two months already.A. is building; has been builtB. is built; has builtC. is being built; has been builtD. is being built; has been being built24. —Will you go to the park now?—Not until I ____ my physics exercises.A. will finishB. have finishedC. will have finishedD. had finished25. —Alice’s second-hand computer ____ wrong although she used it only once.—You’d better go to check it.A. wentB. is goingC. has goneD. had gone26. I can no longer put up w ith his way; he _____ always _____ me asa child.A. does; treatB. 不填; treatsC. has; treatedD. has; been treating27. —He ____ to the party.—What ____ to him? He said he would be here by eight o’clock.A. hasn’t come; happenedB. didn’t come; has happenedC. isn’t coming; h ad occurredD. hasn’t come; has happened28. —What bad luck that we ____ the football match in the last 3 minutes.—And we ____ hard in the last 3 years!A. had lost; trainedB. were losing; had trainedC. have lost; have trainedD. lost; have been training29. Hand in your papers when you ____ the test.A. are finishingB. will finishC. will have finishedD. have finished30. It __ for three hours and the ground is too damp to play on, so the sports meeting __.A. was raining; has been put offB. has been raining; has been put offC. has rained, is put offD. has been raining; has put off31. —Did you find the missing couple in the mountain yesterday?—No, but we ____ to get in touch with them ever since.A. have triedB. have been tryingC. had triedD. had been trying32. Years ago we didn’t know this, but recent science ____ that people who don’t sleepwell soon get ill.A. showedB. has shownC. will showD. is showing33. Now that she is out of a job, Lucy ____ going back to school, but she hasn’t decidedyet.A. had consideredB. has been consideringC. consideredD. is going to consider34. The country life he was used to ____ greatly since 1992.A. changeB. has changedC. changingD. have changed35. She has set a new record, that is, the sales of her latest book _____50 million.A. have reachedB. has reachedC. are reachingD. had reached参考答案：1-5 DDBAA 6-10 DDCCC 11-15 DADBC 16-20 BABBB21-25 ADDBC 26-30 DDDDB 31-35 BBBBA。
2024届江苏省姜堰区张甸初级中学中考一模英语试题含答案
2024届江苏省姜堰区张甸初级中学中考一模英语试题含答案注意事项：1．答卷前，考生务必将自己的姓名、准考证号填写在答题卡上。
2．回答选择题时，选出每小题答案后，用铅笔把答题卡上对应题目的答案标号涂黑，如需改动，用橡皮擦干净后，再选涂其它答案标号。
回答非选择题时，将答案写在答题卡上，写在本试卷上无效。
3．考试结束后，将本试卷和答题卡一并交回。
Ⅰ. 单项选择1、Going to ______ high school for one year in Britain was quite ______ exciting experience for me.A．不填; an B．a; a C．不填; 不填D．the; a2、一I went someone to write the report for me.一No! As a student, you depend on yourself.A．will B．can C．shall D．may3、—What’s the matter with Alan?— His car broke down on the way. And . The car behind was out of control and hit Jim.A．a good miss is as good as a mile B．every dog has its dayC．the early bird catches the worm D．it never rains but it pours4、—Is the man over there Adam?—It _____ be him. He has gone to Hong Kong on vacation.A．must B．can’t C．mustn’t D．shouldn’t5、— Did he tell you anything ________?— Y es, he told us the ________ of learning English well.A．important; important B．importance; importantC．importance; importance D．important; importance6、We have an IT lesson at ________ on Monday morning, and I like it very much.A．twenty past ten B．forty ten C．forty past ten D．forty to ten7、Grandma is rather deaf, so you must speak clearly and to her.A．quietly B．quickly C．cheaply D．loudly8、A new study shows that shouting at children may have the results that go beyond of beating(打)them. A．that B．those C．it D．ones9、—Hi,Jim.Is this your bike or(还是)Mary’s?—It’s mine,not.A．her B．him C．his D．hers10、---Would you like to see the documentary at the cinema this evening?---Wonderful! That’s ________ what I want to do.A．hardly B．exactly C．nearly D．commonlyⅡ. 完形填空11、Mr Brown lived in a small town. One day he 1 a long journey. It was very late when he was going home.2 he found that a man was3 behind him. Mr. Brown went faster, and the man walked faster.4 Mr. Brown walked slowly, the man slowly5 .They were coming near a garden. Quickly Mr. Brown ran6 it.He tried to get away from the man in this way, 7 he failed. He was very afraid. He rushed and the man rushed after him. Finally Mr. Brown 8 . “Excuse me,” he said, “what do you want to do?”“I mean no harm, sir. I have to9 a bag to Mrs. King and I asked the man at the station. He told me, ‘Goright after that man. He 10 in the house just next to Mrs. King’s.’ So I have to follow you.”1．A．missed B．returned C．rode D．had2．A．Suddenly B．Quietly C．Badly D．Fortunately3．A．flying B．guiding C．walking D．gathering4．A．What B．When C．Where D．How5．A．neither B．either C．still D．too6．A．into B．on C．of D．at7．A．and B．but C．or D．for8．A．reviewed B．minded C．dreamed D．stopped9．A．borrow B．lend C．give D．bring10．A．lives B．copies C．cooks D．paintsⅢ. 语法填空12、Who designed the first helicopter(直升飞机)? Who 1．(draw) one of the most famous pictures in the world? Who knew more about the human body than most 2．(doctor) did? There is an answer 3．all these questions --- Leonardo de Vinci.Leonardo lived in Italy around the year 1500, but many of his 4．(invent) seem modern to us today. For example, one of his notebooks has drawings of a helicopter. Of course, he couldn’t build 5．helicopter with the things he had. But scientists say his idea would have worked. That’s why he was considered 6．(be) a genius that has ever been known. But Leonardo wasn’t just an inventor. He was one of the 7．(great) artists of his day. When he was only twenty years old, he 8．(call) a master painter, and as he got older he became even more famous. Sometimes he drew a hand in ten different ways 9．he was ready to paint. Many of Leonardo’s wonderful paintings are still with us today. You may know one of his most famous works--- the 10．(smile) woman known as the Mona Lisa.Ⅳ. 阅读理解A13、My kids and I were heading into the supermarket over the weekend. On the way, we saw a man holding a piece ofpaper that said, “Lost my job. Family to feed.”At this store, a scene like this is not normal. My 10-year-old son noticed him and made a comment(评论) on how bad it must be to have to stand outside in the cold wind.In the store, I asked each of my kids to pick something they thought our “friend” there would like. They got apples, a sandwich and a bottle of juice. Then my 17-year-old son suggested giving him a gift card. I thought about it. We didn’t have much money ourselves, but … well, sometimes giving from our need instead of our abundance(充裕) is just what we need to do! All the kids declared(宣称) something they could do away with for the week.When we handed him the bag of food, he lit up and thanked us with wet eyes. When I handed him the gift card, saying he could use it for whatever his family might need, his eyes were filled with tears.This has been a wonderful experience for our family. For days the kids have been looking for others we can help! Things would have played out so differently if I had simply said, “No, we really don’t have money to give more.” Stepping out not only helped a brother in need, it a lso gave my kids the sweet taste of helping others. It’ll go a long way with them. 1．What does the underlined word “it” in Paragraph 3 mean?A．giving him some food B．giving from our needC．giving him a postcard D．giving from our abundance2．Which is the right order of what happened in the story?a. The man was thankful with tears.b. Each child picked some food for the man in the store.c. A poor man lost his job and asked people for help.d. All kids did away with something and gave him a gift card.e. They saw the poor man outside the supermarket and took pity on him.A．c-e-d-b-a B．c-e-b-d-a C．e-c-d-b-a D．e-c-b-d-a3．What can we infer(推测) from the last paragraph?A．They will try their best to help more people in the future.B．They won’t help more people because they can't afford to do so.C．They had helped many people before offering this poor man help.D．If mother had said NO, the kids would have helped in a different wayB14、Students’ Dormitory (寝室)Attentions:1. Dinner time: 17:30 pm. —19:00 pm.2. Self-study at night: 19:30—21:30 in the classrooms.3. Light out: 10:30 pm. from Monday to Friday. Rules:Keep quiet in the bedrooms at any time;Keep your rooms and toilets clean and tidy;No beer, or smoking in the rooms;No dangerous things in the dormitory;Open fire isn’t allowed;No parties or entertainment activities in the dormitory;No friends or family members staying for the night;Low Carbon Life (低碳生活)It’s a duty for us to save energy, protect our Mother Earth and make our lives better.Notes:Come to school by bike or bus instead of by car;Use shopping bags instead of plastic bags; Turn off the tap in toilets after using it; Recycle (循环利用) water as possible as you can;Use paper on both sides;Walk upstairs in the teaching buildings instead of using the lifts.Turn off the lights before leaving the classrooms;Fewer easy-boxes in the school yard to reduce white pollution.School Electric LibraryOpen time: 18:00—21:00 on school nights;8:00 am—22:00 pm. on weekends.Library cards: ¥ 1 for once, ¥ 20 for a month, ¥ 150 for a year.Don’ts:No food phone mute No photos No running NoclimbingNo fire No smoking No litter No pets Don’tmake noise1．Self-study at night in the classrooms lasts for at school.A．half an hour B．an hour C．one and a half hours D．two hours2．There are attentions for us to have a low carbon life.A．four B．five C．eight D．ten3．What can we do in the school electric library?A．To take pets into it.B．To surf on the Internet.C．To talk with others.D．To bring food and drink.4．What can we know from the posters?A．We should pay ¥ 40 for a library card for two months.B．There aren’t any lifts in the school teaching buildings.C．Students can have a birthday party in the dormitory.D．We can use our smart phones to take photos in the library.C15、Dick lived in England. One day in January he said to his wife，“I'm going to fly to New York next week because I've got some work there.” “Where are you going to stay there？” his wife asked. “I don't know yet.” Dick answered. “Please send me your address from there in a telegram(电报)，”his wife said. “All right，” Dick answered.He flew to New York on January 31st and found a nice hotel in the center of the city. He put his things in his room and then he sent his wife a telegram. He put the address of his hotel in it.In the evening he didn't have any work，so he went to a cinema. He came out at nine o'clock and said，“Now I'm going back to my hotel and have a nice dinner.”He found a taxi and the driver said，“Where do you want to go？” But Dick didn't remember the name an d address of his hotel.“Which hotel are my things in？” he said. “And what am I going to do tonight？” But the driver of the taxi did not know. So Dick got out and went into a post office. There he sent his wife another telegram，and in it he wrote，“Please s end me my address at this post office.”1．Dick flew to New York because ________．A．he went there for a holiday B．he had work thereC．he went there for sightseeing(观光) D．his home was there2．Who would send him the name and address of his hotel?A．The manager(经理)of his hotel. B．The police office.C．The taxi driver. D．His wife.3．Which of the following is NOT true?A．Dick stayed at a nice hotel in the center of the city.B．Dick didn't work on the first night of his arrival.C．Dick forgot to send his wife a telegram.D．Dick wanted to go back to his hotel in a taxi.D16、A little boy was playing in his sandbox on a Saturday morning．While he was building roads and houses in the soft sand, he discovered a large stone in the middle of the sandbox．The little boy pushed and pulled, but every time he thought he had made some progress, the stone tipped (倾斜) and then fell back into the sandbox．The little boy tried his best, but his only reward was to have the stone roll back．Finally the boy cried．All that time the boy's father watched him from his living room window．At the moment tears fell, his father came to the boy and the sandbox．Gently but surely he said, "Son, why didn't you use all the strength that you had?" The boy said sadly, "But I did, Daddy, I did! I used all the strength that I had! "No, son," corrected the father．"You didn't ask me．"With that, the father reached down, picked up the stone and removed it from the sandbox．Do you have "stones" in your life that need to be removed? Are you discovering that you are too weak to lift them? There is ONE who is always ready to give us the strength we need．Isn't it funny how we try so hard to do things on our own?1．The first paragraph mainly tells us ________．A．it was Saturday that dayB．the boy had a sandboxC．the boy created roads and housesD．the boy found a large stone in the sandbox2．Why did the boy cry?A．It was too boring for him to play with the stone．B．His father just watched him from the window．C．He was too weak to remove the stone by himself．D．His fingers were hurt when he tried to remove the stone．3．From the passage we can know that ________．A．we can do anything on our ownB．we should continue doing everythingC．we should learn to ask for help sometimesD．someone is always ready to give up the strengthE17、David walked down the street. All he wanted to do was to play basketball with Jim. But his mother told him to return his sister's books to the library on his way to Jim's house.In his eyes, books and summertime just don't go together. He thought he had read a lot during the school year. And he had never set foot inside a public library. Today he'd just drop the books off in the outside return box, but it was locked. He had to go inside to return them.David walked inside the building a few minutes before closing time. He put the books into the return box. After a quick drink of water and a short stop in the toilet, he'd be on his way to meet Jim. He walked out of the toilet. The library lights were turned off. He was locked—in a library!David tried to use the telephone, but he couldn't find one. As the sun began to set, he searched for a light and found a little one on a desk. He used a pencil to write a note on a big piece of paper. It read, “I'm locked inside. Please call for help.” He put it on the front door. Surely, someone passing by would see it. He then turned his attention to the library itself.He was surprised to discover that this place was not so bad. Rows and rows of books! When he saw a book about Michael Jordan on the desk, he picked it up. He opened the book and began to read. He felt that being locked in the library didn't seem to be such a terrible thing.1．What did David's mother want him to do?A．Play basketball with Jim.B．Take a walk in the street.C．Read books in the library.D．Return his sister's books.2．David thought he had read a lot during ________．A．a visit to Jim'sB．the school yearC．the closing timeD．the summertime3．David went inside the building because ________．A．the sun began to setB．he wanted to use the telephoneC．he needed to go to the toiletD．the outside return box was locked4．Which of the following sentences could be added to the chart(图表)?→？)→A．He searched for a light.B．He put the books into the return box.C．He had a quick drink of water.D．He turned his attention to the library.5．David discovered that ________ after he was locked in the library. A．he was very afraid of the darkB．he became interested in this placeC．his mom was worried about himD．his friend became nervous about himF18、Chinese Cafe1．We can see this ad _____________.A．at a cafe B．at a library C．at school D．at home 2．We can go for lunch at __________ on Monday.A．10：30 B．11：45 C．12：30 D．14：30 3．Mrs Zhou will spend ________ if she goes for dinner on Friday.A．$6 B．$7 C．$11 D．$12 4．Mr. Brown and his 8-year-old son had to pay _________ for dinner last Sunday.A．$7 B．$11 C．12 D．$17Ⅴ.书面表达19、书面表达假设你是一名中学生，名叫Jim。
江苏省重点中学张甸中学高三阶段性检测数学试卷
第9题张甸中学2008届高三阶段性检测数学试卷2008-4一、填空题：（本大题共14小题，每小题5分，共70分．把答案填写在答题纸相应位置上．）1、已知集合{1A x x =<-或}23x ≤<，{}24B x x =-≤<，则A B = .2、已知复数z=x+yi,且23z -=，则yx的最大值 . 3、已知过点A (－2，m)和B (m ，4)的直线与直线2x ＋y ＋1＝0平行，则m 的值为 ． 4、在平面直角坐标系xOy 中，双曲线中心在原点，焦点在y 轴上，一条渐近线方程为20x y -=，则它的离心率为 ．5、已知函数1()2ax f x x +=+在区间()2,-+∞上是增函数，则实数a 的范围是 6、命题“042,2≤+-∈∀x x R x ”的否定为 7、设0x 是方程ln 4x x +=的解，且0x ∈(),1k k +,则 k= 8、右图给出的是计算201614121+⋅⋅⋅+++的 值的一个程序框图，其中判断框内应填入的条件是第12题图9、在△ABC 中，,,a b c 分别是,,A B C ∠∠∠所对的边，若00105,45,22A B b ∠=∠==则c = ；10、在坐标平面上，不等式组101y y x +≥⎧⎪⎨≤-+⎪⎩所表示的平面区域的周长为11、若数列{a n }的通项公式a n ＝21(1)n +，记12()2(1)(1)(1)n f n a a a =--⋅⋅⋅-，试通过计算(1)f ，(2)f ，(3)f 的值，推测出()f n ＝ ．12、右图的矩形，长为5cm ，宽为2cm ，在矩形内随机地撒300颗黄豆，数得落在阴影部分的黄豆数为138颗，则我们可以估计出阴影部分面积约为_______（精确到0.1）13、若函数32()31f x x a x =-+的图象与直线y=3只有一个公共点，则实数a 的取值范围 。
14、对于函数()y f x =，定义域为D ，以下命题正确的是（写出命题的序号） ； ①若(1)(1),(2)(2)f f f f -=-=，则()y f x =是D 上的偶函数； ②若(1)(0)(1)(2)f f f f -<<<，则()y f x =是D 上的递增函数； ③若(2)0f '=，则()y f x =在2x =处一定有极大值或极小值；④若x D ∀∈，都有(1)(3)f x f x +=-+成立，则()y f x =的图象关于直线2x =对称。
江苏省姜堰市张甸中学高三英语一轮复习 Module1 Unit1-2基础训练
高一英语模块一Unit1-2基础检测I．Word checkpoints1.After leaving his son in c_________ of the shop, he hurried off.2.----What makes him so u________? ---- Losing the key to the classroom.3.His parents never let bad b_____ go unpunished, so the boy is loved by everyone4.It’s your own f______ to choose this kind of shoes, which are poorly made.5.Children and a________ have equal rights to express their own opinions.6.The man was lying on the beach, with his hands c_________ under his head.7.The bus is s___________ to leave at 5:00, but it hasn’t come yet.8.He s____________ that we should take exercise every day to keep fit.9.That room is a m_____, with waste paper on the floor and fast food boxes under the bed.10.The only_________________(解释) for his behavior is that he’s mad.11. This tool is ______________（贵重的)for doing electrical repairs.12.Students are f___________ to smoke in school.13.They are having a heated a_________(争论) over whether smoking is bad for the health.II. phrases：1.浪费时间做某事____________________2..不再3.强迫某人做_____________________4.应该做---5.如何处理--- _________________________6. 好像_____________7..熄灭___________________________ 8..取代9.对----苛刻 _______________________ 10.既然11.想做---- __________________________ 12.有望/被要求做---_________________ 13.向某人解释---- _____________________ 16.乱七八糟 _______________________17.负责---- __________________________ 18. 熬夜 _______________19.混合. _______________ 20. 记住_______________21. ________________为某事同某人争论 22. _________________对---心烦意乱23. ________________ 坚持要求 24. _____________毕竟25. ______________阻止某人做某事 26. ________________徒劳27. ________________把---当作----看待 28._____________________目前III. 翻译下列句子1.父母度假比预料要早回来一天。
江苏省姜堰区张甸初级中学2025届英语九年级第一学期期末质量检测试题含解析
江苏省姜堰区张甸初级中学2025届英语九年级第一学期期末质量检测试题注意事项：1．答卷前，考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。
用2B铅笔将试卷类型（B）填涂在答题卡相应位置上。
将条形码粘贴在答题卡右上角"条形码粘贴处"。
2．作答选择题时，选出每小题答案后，用2B铅笔把答题卡上对应题目选项的答案信息点涂黑；如需改动，用橡皮擦干净后，再选涂其他答案。
答案不能答在试题卷上。
3．非选择题必须用黑色字迹的钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内相应位置上；如需改动，先划掉原来的答案，然后再写上新答案；不准使用铅笔和涂改液。
不按以上要求作答无效。
4．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。
Ⅰ. 单项选择1、-- What a pity! You missed the beginning of the movie, it __ for 10 minutes.-- Oh, a traffic jam!A．began B．stated C．has been on D．has been off2、Our basketba ll team won’t win the match _______ we work together.A．if B．since C．while D．unless3、--How can I get some ________ about the Boao Forum for Asia(博鳌亚洲论坛)?--Why not search the Internet?A．information B．experience C．practice4、Must we leave the librar y before 5 o’clock?No, you ______. You can stay here until 5:30.A．needn’t B．can’t C．mustn’t D．shouldn’t5、—Do you think they will _____ the match? —I think so. The weather is really terrible.A．take off B．turn off C．set off D．put off6、—What should I do, doctor?—________ healthy, you should take more exercise.A．Keep B．To keepC．Keeping D．To keep out7、—How do you find the film by that famous director?—__________ I guess she is out of her talent.A．Wonderful. B．No idea. C．Very boring. D．Which film?8、The music is fantastic and it is well worth __________.A．listening B．to listen to C．being listened D．listening to9、It is said that students like to talk with friends online.A．two-thirds B．two-three C．two-third10、--- Excuse me. Could you tell me the ______ of the football game yesterday?--- Sure. Chongqing Siwei won the game by 2 to 1.A．difference B．rule C．result D．effortⅡ. 完形填空11、Y esterday my husband and I walked into a “ What a Burger” for lunch. As we were sitting waiting for our 1to come, I noticed an older man in a wheelchair roll himself over to a table.He was all by himself and he 2 there for a few minutes, looking around , smiling all the time. No one seemed to notice him 3 me. I got up and went over to his 4 and asked if I could get him something to 5 .He smiled and said , “ Oh yes! And thank you kindly. I’d like some beer please.”When I brought him his beer , I told him my 6 and ask him to 7 if he needed anything else.We were in the “What a Burger” for a good hour. The man just 8 smiling at everyone and looking around the restaurant as he 9 ate his hamburger and fries.As we were getting ready to 10 , I wanted to refill our glasses and , as I walked by the man’s table, I asked if he would like a refill 11 we left.Again , with a big 12 , he said,” Y es, please!”When I brought it back to him, he told me that he just loved beer and the hamburgers here. I told him I did too. He told me I had made him 13 by coming over, talking to him, and 14 him out. I gave him a hug and told him he had made my day too! As I was turning to leave ,he told me to have a blessed day. I smiled and said I would and wished him to have 15 ,too.I hope he made his way back home safely.1．A．ticket B．change C．order D．picture2．A．sat B．stood C．lay D．rested3．A．like B．but C．as D．with4．A．car B．room C．table D．grade5．A．watch B．follow C．drink D．read6．A．plan B．house C．place D．name7．A．wave B．stop C．stay D．shout8．A．forgot B．kept C．finished D．remembered9．A．carefully B．seriously C．quietly D．finally10．A．leave B．answer C．refuse D．return11．A．after B．until C．before D．while12．A．smile B．thought C．voice D．style13．A．nervous B．happy C．peaceful D．sad14．A．taking B．sending C．helping D．bringing15．A．that B．it C．this D．oneⅢ. 语法填空12、请用适当的词完成下面的短文，并把所缺单词填写在答题卡指定的位置上。
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蓝天家教网 http://www.ltjiajiao.com 伴您快乐成长 http://www.ltjiajiao.com 江苏省张甸中学周练试卷17
物 理 试 题 2008-1-20
一、单项选择题：本题共5小题，每小题3分，共15分．每小题只有一个．．．．选项符合题意． 1．一弹簧振子振幅为A，从最大位移处经过时间t0第一次到达平衡位置，若振子从最大
位移处经过03t时的加速度大小和动能分别为a1和E1，而振子位移为23A时加速度大小和动能分别为a2和E2，则 A．a1>a2 B．a1E2 D．E1=E2 2．如图所示是由基本逻辑电路构成的一个公路路灯自动控制电路，图中虚线框内M是一只感应元件，虚线框N中使用的是门电路．则 A．M为光敏电阻，N为与门电路 B．M为光敏电阻，N为非门电路 C．M为热敏电阻，N为非门电路 D．M为热敏电阻，N为或门电路 3．如图所示，一带电粒子在电场中沿曲线AB运动，从B点穿出电场，a、b、c、d为该电场中的等势面，这些等势面都是互相平行的竖直平面，不计粒子所受重力，则 A．该粒子一定带负电 B．此电场不一定是匀强电场 C．该电场的电场线方向一定水平向左 D．粒子在电场中运动过程动能不断减少 4．一个质量为2kg的物体，在六个恒定的共点力作用下处于平衡状态．现同时撤去大小分别为15N和20N的两个力，关于此后该物体运动的说法中正确的是 A．一定做匀变速直线运动，加速度大小可能是5m/s2 B．可能做匀减速直线运动，加速度大小是2m/s2 C．一定做匀变速运动，加速度大小可能是15m/s2 D．可能做匀速圆周运动，向心加速度大小可能是5m/s2 5．一辆长为0.6m的电动小车沿水平面向右作匀变速直线运动，下图是某监测系统每隔2s拍摄的一组照片．用刻度尺测量照片上的长度，结果如图所示．则小车的加速度大小为
A．0.01 m/s2 B．0.5 m/s2 C．1 m/s2 D．5 m/s2 二、多项选择题：本题共4小题，每小题4分，共16分．每小题有多个选项．．．．．符合题意．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． 6．下列说法中正确的是
0 1 2 3 4 5 6 7 8 9 10 11 12 单位 cm
• M N
L R A
D •
+U
B A a b c d 蓝天家教网 http://www.ltjiajiao.com 伴您快乐成长
http://www.ltjiajiao.com A．能量耗散表明，在能量利用的过程中，能量不断减少 B．地面上的人观察到高速飞行列车上的时钟变慢，列车上的人观察到相对地面静止的时钟也变慢了 C．当物体的速度接近光速时，物体的质量与速度大小的平方成正比 D．当宇宙飞船做匀变速直线运动，飞船上的人观察垂直于飞船运动方向射来的光线时，发现光线向飞船加速度反方向弯曲 7．一中学生为即将发射的“神州七号”载人飞船设计了一个可测定竖直方向加速度的装置，其原理可简化如图，拴在竖直弹簧上的重物与滑动变阻器的滑动头连接，该装置在地面上静止时其电压表的指针指在表盘中央的零刻度处，在零刻度的两侧分别标上对应的正、负加速度值，当加速度方向竖直向上时电压表的示数为正．这个装置在“神州七号”载人飞船发射、运行和回收过程中，下列说法中正确的是 A．飞船在竖直减速上升的过程中，处于失重状态，电压表的示数为负 B．飞船在竖直减速返回地面的过程中，处于超重状态，电压表的示数为正 C．飞船在圆轨道上运行时，电压表的示数为零 D．飞船在圆轨道上运行时，电压表的示数为负 8．如图所示，电路中电源的电动势为E，内阻为r，A为电压表，内阻为10kΩ，B为静电计；两个电容器的电容分别为C1和C2，将电键S合上一段时间后，下列说法中正确的是 A．若C1＞C2，则电压表两端的电势差大于静电计两端的电势差 B．若将变阻器滑动触头P向右滑动，则电容器C2上带电量增大 C．C1上带电量为零 D．再将电键S打开，然后使电容器C2两极板间距离增大，则静电计张角也增大 9．平抛运动可以分解为水平和竖直方向的两个直线运动，在同一坐标系中作出这两个分运动的v－t图线，如图所示．若平抛运动的时间大于2t1，下列说法中正确的是 A．图线2表示竖直分运动的v－t图线 B．t1时刻的速度方向与初速度方向夹角为30° C．t1时间内的位移方向与初速度方向夹角的正切为12 D．2t1时间内的位移方向与初速度方向夹角为60° 三、简答题：本题共2题，共计21分．把答案填在答题卡相应的横线上或按题目要求作答． 10．（10分）有一个小灯泡上标有“4.8V 2W”的字样，现在测定小灯泡在不同电压下的电功率，并作出小灯泡的电功率P与它两端电压的平方U2的关系曲线．有下列器材可供选用： A．电压表V1（0～3V，内阻3kΩ） B．电压表V2（0～15V，内阻15kΩ） C．电流表A（0～0.6A，内阻约1Ω） D．定值电阻R1＝3kΩ E S E V r R A
B C1 C2 S
P
t v O 1 2
t1 蓝天家教网 http://www.ltjiajiao.com 伴您快乐成长
http://www.ltjiajiao.com E．定值电阻R2＝15kΩ F．滑动变阻器R（10Ω，2A） G．学生电源（直流6V，内阻不计） H．开关、导线若干 （1）实验中所用电压表应选用 ▲ ，定值电阻应选用 ▲ （均用序号字母填写）； （2）为尽量减小实验误差，并要求从零开始多取几组数据，请在方框内画出满足实验要求的电路图； （3）利用上述实验电路图测出的电压表读数UV与此时小灯泡两端电压U的定量关系是 ▲ ，下
图的四个图象中可能正确的是 ▲ ． 11．（11分）汽车正在走进我们的家庭．研究发现，在无风状态下，汽车在高速行驶时受到的空气阻力f主要与汽车正面投影面积S和汽车行驶速度v有关，通过汽车在风洞实验室模拟实验得到如下数据： 6 P/W U2/V2 O 12 18 0.5 24 1.0
1.5
2.0
6 P/W U2/V2 O 12 18 0.5 24 1.0 1.5 2.0
A B
6 P/W U2/V2 O 12 18 0.5 24 1.0 1.5 2.0 6 P/W U2/V2 O 12 18 0.5 24 1.0 1.5 2.0 C D 蓝天家教网 http://www.ltjiajiao.com 伴您快乐成长
http://www.ltjiajiao.com f /102 N v / (ms-1) S / m2 20 30 40 50 60
2.0 2.0 4.4 8.0 12.6 18.0 2.5 2.5 5.6 10.1 15.6 22.5 3.0 3.0 6.8 11.9 18.7 27.1 3.5 3.5 7.9 14.0 21.8 31.5 4.0 4.0 8.9 16.1 25.1 35.9 （1）请根据表中数据在（a）图中作出正面投影面积为3.0 m2的汽车的f－v图线；为了求出此汽车的f与v间的具体关系，请你选取合适的坐标轴，在（b）图中作出线性图线．
（2）汽车受到的空气阻力f与汽车正面投影面积S 、行驶速度v 的关系可表示为f= ▲ （比例系数用k表示）； （3）上式中比例系数k＝ ▲ ，其大小可能与 ▲ 因素有关（写出一个因素即可）． 四、计算题或推导证明题：本题共5题，共计68分．解答时请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，答案中必须明确写出数值和单位． 12．（12分）如图所示是一列横波上A、B两质点的振动图象，该波由A传向B，两质点沿波的传播方向上的距离Δx=4.0m，波长大于3.0m，求这列波的波速．
O y/cm
5 -5 0.2 0.4 t/s 0.2 0.4 t/s O y/cm 5
-5 A质点 B质点
f /102 N v/ (ms-1) O 20 40 60 80 8 16 24 32 O （a） （b） 蓝天家教网 http://www.ltjiajiao.com 伴您快乐成长
http://www.ltjiajiao.com 13．（14分）如图甲所示，水平放置的上、下两平行金属板，板长约为0. 5 m，板间电压u随时间t呈正弦规律变化，函数图象如图乙所示．竖直虚线MN为两金属板右边缘的连线，MN的右边为垂直纸面向里的匀强磁场，磁感应强度为B，现在带正电的粒子连续不断的以
速度v0=2×105 m/s沿两板间的中线OO从O点平行金属板射入电场中．已知带电粒子的荷
质比为kgCmq/108,粒子的重力和粒子间的相互作用力均忽略不计． (1)设t=0. 1 s时刻射入电场的带电粒子恰能从平行金属板右边缘射出电场，进入磁场．求该带电粒子射出电场时速度的大小？ (2)对于t=0. 3 s时刻射入电场的粒子，设其射入磁场的入射点和从磁场射出的出射点的间距为d，试用题中所给物理量的符号（v0 、m、q、B）表示d.
14．（14分）如图所示，电源电动势E=10V，内电阻r=1.0Ω，电阻R1=5.0Ω、R2=8.0Ω、R3=2.0Ω、R4=6.0Ω，R5=4.0Ω，水平放置的平行金属板相距d=2.4cm，原来单刀双掷开关S接b，在两板中心的带电微粒P处于静止状态；现将单刀双掷开关S迅速接到c，带电微粒与金属板相碰后即吸附在金属板上，取g=10m/s2，不计平行板电容器充放电时间，求带电微粒在金属板中的运动时间．
R1 R2 R3 R4 R5 S E r P b c