2014届高三北京市石景山区一模物理试题
13．根据玻尔理论，氢原子的电子由n=1轨道跃迁到n=2轨道，下列说法正确的是A．原子要吸收某一频率的光子
B．原子要放出一系列频率不同的光子
C．原子的能量增加，电子的动能增加
D．原子的能量减少，电子的动能减少
14．关于红光和绿光，下列说法正确的是
A．红光的频率大于绿光的频率
B．在同一玻璃中红光的速率小于绿光的速率
C．用同一装置做双缝干涉实验，红光的干涉条纹间距大于绿光的干涉条纹间距
D．当红光和绿光以相同入射角从玻璃射入空气时，若绿光刚好能发生全反射，则红光也一定能发生全反射
15．下列说法正确的是
A．布朗运动是液体分子的无规则运动
B．布朗运动是指液体中悬浮颗粒的无规则运动
C．温度降低，物体内每个分子的动能一定减小
D．温度低的物体内能一定小
16．甲、乙两颗人造卫星绕地球作圆周运动，半径之比为R1:R2=1:4，则它们的运动周期之比和运动速率之比分别为
A．T1:T2=8:1，v1:v2=2:1 B．T1:T2=1:8，v1:v2=1:2
C．T1:T2=1:8，v1:v2=2:1 D．T1:T2=8:1，v1:v2=1:2
17．右图是一列沿着x轴正方向传播的横波在t=0时刻的波形图。已知这列
A．这列波的波速v=2.0m/s
B．在t=0时，x=0.5m处的质点速度为零
C．经过2.0s，这列波沿x轴正方向传播0.8m
D．在t=0.3s时，x=0.5m处的质点的运动方向为y轴正方向
18．如图所示，L1、L2是高压输电线，图中两电表示数分别是220V和10A。已知甲图中原、副线圈匝数比为100:1，乙图中原副线圈匝数比为1:10，则
A．甲图中的电表是电压表，输电电压为2200 V
B．甲图中的电表是电流表，输电电流是100 A
C．乙图中的电表是电压表，输电电压为22000 V
D．乙图中的电表是电流表，输电电流是100 A
19．利用传感器和计算机可以研究快速变化的力的大小。实验时，把图甲中的小球举高到绳子的悬
点O 处，然后小球由静止释放，同时开始计时，利用传感器和计算机获得弹性绳的拉力随时间的变化如图乙所示。根据图像提供的信息，下列说法正确的是
A ．t 1、t 2时刻小球的速度最大
B ．t 2、t 5时刻小球的动能最小
C ．t 3、t 4时刻小球的运动方向相同
D ．t 4
- t 3
< t 7
- t 6
20．如图所示，a 、b 是边界范围、磁感应强度大小和方向都
相同的两个匀强磁场区域，a 的下端离水平地面的高度比b 高一些。甲、乙是两个完全相同的闭合正方形导线框，分别位于a 、b 的正上方，两线框的下端离地面的高度相同。两线框由静止同时释放，穿过磁场后落到地面，下落过程中线框平面始终保持与磁场方向垂直。下列说法正确的是 A ．乙线框先落地 B ．两线框同时落地
C ．穿过磁场的过程中，乙线框产生的热量较少
D ．穿过磁场的过程中，两线框产生的热量相同 21．（共18分）
小灯泡灯丝的电阻随温度的升高而变大，某同学利用实验探究这一现象。所提供的器材有：
a 乙乙
7 6 5 3
2 1 4 t /s
F F F 甲
该同学选择仪器，设计电路并进行实验，通过实验得到如下数据：
（1）请你推测该同学选择的器材是：电流表为 ，电压表为 ，滑动
变阻器为 （以上均填写器材代号）。 （2）请你推测该同学设计的实验电路图并画在图甲的方框中。 （3）请在图乙的坐标系中画出小灯泡的I — U 曲线。
（4
）若将该小灯泡直接接在电动势是
1.5 V ，内阻是
2.0 Ω的电池两端，小灯泡的实际功率为
W 。
22．（16分）如图所示，两块相同的金属板正对着水平放置，板间距离为 d 。当两板间加电压 U 时，
一个质量为 m 、电荷量为 + q 的带电粒子，以水平速度 v 0
从A 点射入电场，经过一段时间后从B
点射出电场，A 、B 间的水平距离为 L ，不计重力影响。求：
（1）带电粒子从A 点运动到B 点经历的时间； （2）带电粒子经过B 点时速度的大小； （3）A 、B 间的电势差。
图甲
I/A
0.4 0.8 1.2 1.6 2.0 0.1 0.2 0.3 0.4
0.5 U/V
图乙
23．（18分）一辆汽车的质量为 m ，其发动机的额定功率为 P 0。从某时刻起汽车以速度 v 0
在水平公
路上沿直线匀速行驶，此时汽车发动机的输出功率为 0
4
P ，接着汽车开始沿直线匀加速行驶，当速度增加到
85
v 时，发动机的输出功率恰好为 P 0
。如果汽车在水平公路上沿直线行驶中所受到的阻力与行驶速率成正比，求：
（1）汽车在水平公路上沿直线行驶所能达到的最大速率 v m
；
（2）汽车匀加速行驶所经历的时间和通过的距离；
（3）为提高汽车行驶的最大速率，请至少提出两条在设计汽车时应考虑的建议。
24．（20分）下图是放置在竖直平面内游戏滑轨的模拟装置的示意图。滑轨由四部分粗细均匀的金属杆组成，其中水平直轨AB 与倾斜直轨CD 的长度均为 L = 3 m ，圆弧形轨道AQC 和BPD 均光滑，AQC 的半径为 r = 1 m ，AB 、CD 与两圆弧形轨道相切，O 2D 、O 1C 与竖直方向的夹角均为 = 37° 。现有一质量为 m = 1 kg 的滑块（可视为质点）穿在滑轨上，以 v 0
= 5 m/s 的初速度从B 点开
始水平向左运动，滑块与两段直轨道间的动摩擦因数均为 μ = 0.2 ，滑块经过轨道连接处的机械能损失忽略不计。取g = 10 m/s 2
，sin37° = 0.6 ，求：
（1）滑块第一次回到B 点时的速度大小； （2）滑块第二次到达C 点时的动能； （3）滑块在CD 段上运动的总路程。
* * 丰台区2017年高三年级第二学期综合练习（一） 英语 2017. 03 注意事项： 1. 答题前，考生务必先将答题卡上的学校、年级、班级、姓名、准考证号用黑色字迹签字笔填写清楚，并认真核对条形码上的准考证号、姓名，在答题卡的“条形码粘贴区”贴好条形码。 2. 本次考试所有答题均在答题卡上完成。选择题必须使用2B铅笔以正确填涂方式将各小题对应选项涂黑，如需改动，用橡皮擦除干净后再选涂其它选项。非选择题必须使用标准黑色字迹签字笔书写，要求字体工整、字迹清楚。 3. 请严格按照答题卡上题号在相应答题区内作答，超出答题区域书写的答案无效，在试卷、草稿纸上答题无效。 4. 请保持答题卡卡面清洁，不要装订、不要折叠、不要破损。 第一部分听力理解（共三节30分） 第一节（共5小题；每小题1.5分，共7.5分） 听下面5段对话。每段对话后有一道小题，从每题所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话你将听一遍。 1. What is the man’s plan for his holiday? A.To go to Hawaii. B. To go to Hong Kong. C. To stay at home. 2. What pet does the man decide to keep finally? A. A dog. B. A cat. C. A rabbit. 3. What time will the woman leave? A. At 13:00. B. At 14:30. C. At 16:20. 4. Where does this conversation take place? A. On the train. B. In the airplane. C. In the hotel. 5. What is the woman doing? A. Offering the man some advice. B. Telling the man some bad news. C. Playing a joke on the man. 第二节（共10小题；每小题1.5分，共15分） 听下面4段对话或独白。每段对话或独白后有几道小题，从每题所给的A、B、C三个选项中选出最佳选项。听每段对话或独白前，你将有5秒钟的时间阅读每小题。听完后，每小题将给出5秒钟的作答时间。每段对话或独白你将听两遍。 听下面一段对话，回答第6至7两道小题。 6. What is Lucy’s New Year resolution? A. To take more exercise. B. To make big money. C. To do better in Chinese. 7.What is the relationship between the two speakers? A. Family members. B. Friends. C. Classmates. 听下面一段对话，回答第8至9两道小题。 8. Which function does the man use more? A. Making calls. B. Sending messages. C. Surfing the internet. 9. Who is the woman? A. An interviewer. B. A salesgirl. C. A postman. 听下面一段独白，回答第10至12三道小题。 10. Which of the followings can be used as identification? A. The admission ticket. B. The library card. C. The student ID card. 11. What can’t be brought? A.Cellphones. B. Calculators. C. Passports. 12. What is the woman doing? A.Making weekend plans. B.Sharing her experience. C.Offering some tips. 听下面一段对话，回答第13至15三道小题。 13. Where does the woman work? A. In the supermarket. B. In the restaurant. C. In
海淀区高三年级第二学期期中练习 英语2015.04 本试卷共12页，共150分。考试时长120分钟。 注意事项：1．考生务必将答案答在答题卡上，在试卷上作答无效。 2．答题前考生务必将答题卡上的姓名、准考证号用黑色字迹的签字笔填写。 3．答题卡上选择题必须用2B铅笔作答，将选中项涂满涂黑，黑度以盖住框内字母为准，修改时用橡皮擦除干净。非选择题必须用黑色字迹的签字笔按照题号顺序在各题目的答题区域内作答，未在对应的答题区域内作答或超出答题区域作答的均不得分。 第一部分：听力理解（共三节，30分） 第一节（共5小题；每小题1.5分，共7.5分）听下面5段对话。每段对话后有一道小题，从每题所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话你将听一遍。 1. Where is the woman going? A. To a bank. B. To a mall. C. To a street. 2. When will the meeting be held? A. This afternoon. B. Tomorrow. C. Next week. 3. What are the speakers talking about? A. Job. B. Salary. C. Travel. 4. What is the woman doing? A. Asking for permission. B. Making a complaint. C. Ordering a dish. 5. How much will the man pay for the apples? A. $ 1. B. $ 75. C. $ 5. 第二节（共10小题；每小题1.5分，共15分）听下面4段对话或独白。每段对话或独白后有几道小题，从每题所给的A、B、C三个选项中选出最佳选项。听每段对话或独白前，你将有5秒钟的时间阅读每小题。听完后，每小题将给出5秒钟的作答时间。每段对话或独白你将听两遍。 听第6段材料，回答第6至7题。 6. Wh at’s the purpose of the woman’s visit? A. Visiting friends. B. Sightseeing. C. Business. 7. Where does the conversation take place? A. At the customs. B. At the police office. C. At the hotel. 听第7段材料，回答第8至9题。 8. Which section does the man show most interest in the newspaper? A. News. B. Sports. C. World affairs. 9. What newspaper does the woman usually buy? A. A local one. B. A national one. C. An international one. 听第8段材料，回答第10至12题。 10. What does the woman worry about the gym? A. The noise. B. The air. C. The crowd. 11. Why does the man go to the gym? A. To lose weight. B. To do exercise. C. To meet people. 12. What does the man suggest the woman do? A. Eat less. B. Set limits. C. Exercise properly. 听第9段材料，回答第13至15题。 13. Who is the speaker? A. A taxi driver. B. A police officer. C. A radio announcer. 14. What makes driving a taxi a hard job in London? A. Bad traffic condition. B. Confusing street names. C. Lots of tests. 15. What will the speaker probably do if he’s stuck on the road in a taxi? A. Have a map ready. B. Be understanding. C. Change directions. 第三节（共5小题；每小题1.5分，共7.5分）听下面一段对话，完成第16至20五道小题，每小题仅填写一个 ．．词。听对话 第一节单项填空（共15小题；每小题1分，共15分）从每题所给的A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 21. Mary has her weakness, ______ that doesn’t mean she is not qualified for her job. A. and B. yet C. so D. or 22. _______ Chai Jing said in her video about the smog has caused public concern. A. That B. Which C. How D. What 23. When I was pushed onto the stage, I felt all the eyes in the hall _______ me. A. through B. across C. into D. on 24. You ______ reach him on his mobile now—his mobile is still under repair. A. should n’t B. wouldn’t C. c an’t D. must n’t 25. The paper ox my grandmother ______ for me is my most valued birthday gift. A. cut B. will cut C. had cut D. cuts 26. —It i s said that John’s paper got an A+.—He deserves it. He _____a lot before he handed it in. A. prepared B. prepares C. had prepared D. has prepared 27.___ opinions on the schedule, we finally reached an agreement. A.Having exchanged B.Exchanging C.Exchanged D.To exchange 28. The long lasting cold current has brought _______winter in my memory to the east coast of the United States. A. the longer B. the longest C. a longer D. a long 29. Mike will become the first person in his family ______ college education. A. finished B. having finished C. finishing D. to finish 30. Prince William took a visit to the Forbidden City on Feb. 28, _______ emperors once lived. A. which B. whose C. where D. when 31. _______ she has earned her PhD, she wants to find a job with higher pay. A. As if B.Now that C. Even though D. In case 32. — Has James arrived at the hotel?— No, he ______ by fans for photographs at the airport. A. has surrounded B. would surround C. was surrounded D. is being surrounded
2017高考物理（北京卷） 13.以下关于热运动的说法正确的是( ) A．水流速度越大，水分子的热运动越剧烈 B．水凝结成冰后，水分子的热运动停止 C．水的温度越高，水分子的热运动越剧烈 D．水的温度升高，每一个水分子的运动速率都会增大 14.如图所示，一束可见光穿过平行玻璃砖后，变为a、b两束单色光．如果光束b是蓝光，则光束a可能 是( ) A．红光 B．黄光 C．绿光 D．紫光 15．某弹簧振子沿x轴的简谐运动图像如图所示，下列描述正确的是( ) A．t＝1 s时，振子的速度为零，加速度为负的最大值 B．t＝2 s时，振子的速度为负，加速度为正的最大值 C．t＝3 s时，振子的速度为负的最大值，加速度为零 D．t＝4 s时，振子的速度为正，加速度为负的最大值 16．如图所示，理想变压器的原线圈接在u＝2202sin 100πt(V)的交流电源上，副线圈接有R＝55 Ω的负载电阻，原、副线圈匝数之比为2∶1，电流表、电压表均为理想电表．下列说法正确的是 ( ) A．原线圈的输入功率为220 2 W B．电流表的读数为1 A C．电压表的读数为110 2 V D．副线圈输出交流电的周期为50 s 17．利用引力常量G和下列某一组数据，不能计算出地球质量的是( ) A．地球的半径及重力加速度(不考虑地球自转) B．人造卫星在地面附近绕地球做圆周运动的速度及周期 C．月球绕地球做圆周运动的周期及月球与地球间的距离 D．地球绕太阳做圆周运动的周期及地球与太阳间的距离 18． 2017年年初，我国研制的“大连光源”——极紫外自由电子激光装置，发出了波长在100 nm(1 nm ＝10－9m)附近连续可调的世界上最强的极紫外激光脉冲．大连光源因其光子的能量大、密度高，可在能源利用、光刻技术、雾霾治理等领域的研究中发挥重要作用． 一个处于极紫外波段的光子所具有的能量可以电离一个分子，但又不会把分子打碎．据此判断，能够电离一个分子的能量约为(取普朗克常量h＝6.6×10－34 J·s，真空光速c＝3×108 m/s)( )
丰台区2016-2017学年度第二学期高三英语综合练习一 2017. 03 注意事项：1. 答题前，考生务必先将答题卡上的学校、年级、班级、姓名、准考证号用黑色字迹签字笔填写清楚，并认真核对条形码上的准考证号、姓名，在答题卡的“条形码粘贴区”贴好条形码。 2. 本次考试所有答题均在答题卡上完成。选择题必须使用2B 铅笔以正确填涂方式将各小题对应选项涂黑，如需改动，用橡皮擦除干净后再选涂其它选项。非选择题必须使用标准黑色字迹签字笔书写，要求字体工整、字迹清楚。 3. 请严格按照答题卡上题号在相应答题区内作答，超出答题区域书写的答案无效，在试卷、草稿纸上答题无效。 4. 请保持答题卡卡面清洁，不要装订、不要折叠、不要破损。 第一部分 听力理解（共三节30分） 第一节（共5小题；每小题1.5分，共7.5分）听下面5段对话。每段对话后有一道小题，从每题所给的A 、B 、C 三个选项中选出最佳选项。听完每段对话后，你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话你将听一遍。 1. What is the man’s plan for his holiday? A.To go to Hawaii. B. To go to HongKong. C. To stay at home. 2. What pet does the man decide to keep finally? A. A dog. B. A cat. C. A rabbit. 3. What time will the woman leave? A. At 13:00. B. At 14:30. C. At 16:20. 4. Where does this conversation take place? A.On the train. B.In the airplane. C.In the hotel. 5. What is the woman doing? A. Offering the man some advice. B. Telling the man some bad news. C. Playing a joke on the man. 第二节（共10小题；每小题1.5分，共15分）听下面4段对话或独白。每段对话或独白后有几道小题，从每题所给的A 、 B 、 C 三个选项中选出最佳选项。听每段对话或独白前，你将有5秒钟的时间阅读每小题。听完后，每小题将给出5秒钟的作答时间。每段对话或独白你将听两遍。 听下面一段对话，回答第6至7两道小题。 6. What is Lucy’s New Year resolution? A. To take more exercise. B. To make big money. C. To do better in Chinese. 7. What is the relationship between the two speakers? A. Family members. B. Friends. C. Classmates. 听下面一段对话，回答第8至9两道小题。 8. Which function does the man use more? A. Making calls. B. Sending messages. C. Surfing the internet. 9. Who is the woman? A. An interviewer. B. A salesgirl. C. A postman. 听下面一段独白，回答第10至12三道小题。 10. Which of the followings can be used as identification? A.The admission ticket. B.The library card. C.The student ID card. 11. What can’t be brought? A.Cellphones. B. Calculators. C. Passports. 12. What is the woman doing? A.Making weekend plans. B.Sharing her experience. C.Offering some tips. 听下面一段对话，回答第13至15三道小题。 13. Where does the woman work? A. In the supermarket. B. In the restaurant. C. In the grocery store. 14. Why does the man do the job? A.To be able to work outdoors. B.To earn more money for school. C.To get exercise while working. 15. What does the woman think of the man’s job? A. Tiring. B. Boring. C. Interesting. 第三节（共 5小题；每小题1.5分，共7.5分）听下面一段对话，完成第16题至第20 题五道小题，每小题仅填写一个词。听对话前，你将有20秒钟的时间阅读试题，听完后你将有60秒钟的作答时间。这段对话你将听两遍。 第一节单项填空（共15小题；每小题1分，共15分） 从每题所给的A 、B 、C 、D 四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。 21. Congratulations on the great progress you________since last year. A. make B. have made C. were making D. will have made 22. According to the author, those ________ enjoy reading will never feel lonely. A. when B. who C. where D. which 23. —Have I filled out the application correctly, Mr. Smith?—Well,you ________ one question here. A. missed B. miss C. will miss D. are missing 24. The key point is not who said the words, but ________ they are true or not. A. what B. when C. that D. whether 25. It ________for two weeks, and the whole area is flooded. A.had rained B.rains C. would rain D. has been raining 26. It’s an excellent job offer. Don’t let such a good opportunity ________ through your fingers. A. slipped B. to slip C. slip D. slipping 27. The sponsors agreed that they would support us ________ we didn’t break the rules. A. as well as B. as soon as C. as far as D. as long as 28. When ________, the project will help to greatly improve the air quality in the community. A. finishing B. to finish C. finish D. finished
海淀区高三年级第二学期期中练 第二部分：知识运用（共两节，45分） 21. She calls back whenever someone ______ her a message. A. left B. leaves C. had left D. will leave 22. The purpose of the article is to draw public attention ______ the problem. A. to B. on C. in D. for 23. ______ the task in time, we had to work late into the night. A. Finished B. Finishing C. To finish D. Having finished 24. I know little about the accident because not much ______ about it up to now. A. has said B. has been said C. had said D. had been said 25. She ______ have attended that meeting, for she was doing paperwork in the office then. A. shouldn?t B. mustn?t C. wouldn?t D. couldn?t 26. We?re advised not to leave the water ______ after using it. A. run B. running C. to run D. having run 27. Mr. Smith couldn?t open the door because his naughty boy ______ it from the inside. A. would lock B. was locking C. has locked D. had locked 28. —Jeff, what?s up? You are not yourself today. — Oh, mom. I really wish I ______ the chance but I failed. A. had got B. would get C. will get D. got 29. This kind of cell phone is very common and I also have ______. A. one B. it C. that D. another 30. The paintings ______ from the National Gallery last week have been found. A. stealing B. to steal C. stolen D. to be stolen 31. You cannot take back your words ______ they are out of your mouth. A. before B. whether C. once D. while 32. The App WeChat provides a networking platform ______ communication is faster and easier. A. which B. where C. when D. why 33. —Did you sleep well last night? — No, the loud noise from the street ______ me awake for hours. A. had kept B. is keeping C. has kept D. kept 34. — Have you told your parents about your decision? — Not yet. I can hardly imagine ______ they will react. A. what B. that C. how D. when 35. I think the biggest problem in banning smoking is ______ people can buy cigarettes easily. A. that B. whether C. where D. how 第二节完形填空（共20小题；每小题1.5分，共30分） The Little Angel Sally jum ped up the moment she saw the surgeon come out of the operating room. She asked, “How is my little boy?”The surgeon said, “I?m __36__. We did all we could, but your boy didn?t __37__ it.” Sally __38__into the chair. The surgeon asked, “Would you like so me time with your son before he was transported to the __39__?” Sally nodded. While saying goodbye, she ran her fingers __40__ through his thick curly hair. “Would you like a lock of his hair?” the surgeon asked. Sally nodded yes. The surgeon cut a few hai rs, and handed them to Sally. The mother said, “It was Jimmy?s idea to __41__ his body to the university for study. He said it might __42__ somebody else. “I said no at first, __43__ Jimmy said, …Mom, I won?t be using it after I die. Maybe it will help som e other little boy spend one more day with his Mom.”
13、光导纤维的结构如图所示，其内芯和外套材料不同，光在内芯中传播。以下关于光导纤维的说法正确的是 A 、内芯的折射率比外套大，光传播时在内芯与外套的界面发生全反射 B 、内芯的折射率比外套小，光传播时在内芯与外套的界面发生全反射 C 、内芯的折射率比外套小，光传播时在内芯与外套的界面发生折射 D 、内芯的折射率比外套相同，外套的材料有韧性，可以起保护作用 14、下列说法正确的是： A 、太阳辐射的能量主要来自太阳内部的核裂变反应 B 、汤姆生发现电子，表明原子具有核式结构 C 、一束光照射到某种金属上不能发生光电效应，是因为该束光的波长太短 D 、按照波尔理论，氢原子核外电子从半径较小的轨道跃迁到半径较大的轨道时，电子的动能减小，原子总能量增加 15、不久前欧洲天文学就发现了一颗可能适合人类居住的行星，命名为“格利斯581c ”。该行星的质量是地球的5倍，直径是地球的1.5倍。设想在该行星表面附近绕行星沿圆轨道运行的人造卫星的动能为k1E ，在地球表面附近绕地球沿圆轨道运行的形同质量的人造卫星的动能为k2E ，则 k1 k2 E E 为 A 、0.13 B 、0.3 C 、3.33 D 、7.5 16、为研究影响家用保温瓶保温效果的因素，某同学在保温瓶中灌入热水，现测量初始水温， A 、 若研究瓶内水量与保温效果的关系，可用第1、3、5次实验数据 B 、 若研究瓶内水量与保温效果的关系，可用第2、4、6次实验数据 C 、 若研究初始水温与保温效果的关系，可用第1、2、3次实验数据 D 、 若研究保温时间与保温效果的关系，可用第4、5、6次实验数据 17、电阻R 1、R 2交流电源按照图1所示方式连接，R 1=10Ω，R 2=20Ω。合上开关后S 后，通过电阻R 2的正弦交变电流i 随时间t 变化的情况如图2所示。则
2021年北京市丰台区高三一模考试英语试卷学校:___________姓名：___________班级：___________考号：___________ 一、单项选择 1．His early comedies were filmed________black and white． A． of B． with C． in D． by 12．--- Excuse me, where can I get my car filled up? --- There are gas stations at________end of the block． A．both B．neither C．either D．all
15．Although the test ________ look like a simple one, great care is needed. A．may B．must C．should D．need 二、完形填空 阅读下面短文，掌握其大意，然后从1—20各题所给的四个选项（A、B、C和D）中，选出最佳选项。 Though she had been in a coma（昏迷）for nearly six months, it was still a 16 when my grandmother passed away．I was not yet thirteen when she 17 ．I'd understood that death awaited her, but in those first moments of knowing, I could not 18 that "eventually" had finally come to pass． Friends came to the funeral home to pay their last respects to my grandmother and to show their support for my mother．Not 19 where to be or what to do, I stayed off to the side．The 20 finally ended with the arrival of my friend Kelly． Kelly and I had been friends ever since she was three and Four．We were “home" friends, the kind who rode bikes together after school, went 21 to a KFC a few blocks away, even though we weren't allowed to leave the block． At the funeral home, Kelly came right to me．In her hands were two packages of M&M's．Kelly knew that was one of my 22 ．We had often taken long trips to the store for 23 ．We sat in the back, eating M&M's and talking quietly．A 24 experience had suddenly become easier to bear, with a childhood offering of chocolates and the 25 of a devoted friend． Trying to come up with something to offer a heartbroken person is 26 ．Kelly had understood, even at twelve, that there wasn't much she could do to reduce my pain 27 be there with me and bring something that just might make me 28 ． Now, whenever Kelly and I find ourselves at funeral home for family member of ours, the other has always shown up 29 M&M's, a small offering of 30 to take the edge off the hovering sorrow．We've 31 that when we' re old, the one who dies first will have a crazy old lady throwing M&M' s into her grave．M&M's will 32 be significant to me．They will 33 me that even when something as painful and powerful as 34 comes to claim what’s most important to me, there will always be Kelly… and her chocolate．M&M's, melt（溶解）in your 35 , not in your hand． 16．A．shock B．topic C．story D．custom 17．A．returned B．died C．cried D．recovered
2014北京海淀区高三一模英语(Word解析版)
海淀区高三年级第二学期期中练习 英语 2014.04 注意事项： 1．考生务必将答案答在答题卡上，在试卷上作答无效。 2．答题前考生务必将答题卡上的姓名、准考证号用黑色字迹的签字笔填写。 3．答题卡上选择题必须用2B铅笔作答，将选中项涂满涂黑，黑度以盖住框内字母为准，修改时用橡皮擦除干净。非选择题必须用黑色字迹的签字笔按照题号顺序在各题目的答题区域内作答，未在对应的答题区域内作答或超出答题区域作答的均不得分。 第一部分：听力理解（共三节，30分） 第一节（共5小题；每小题1.5分，共7.5分）听下面5段对话。每段对话后有一道小题，从每题所给的A、B、C三个选项中选出最佳选项。听完每段对话后，你将有10秒钟的时间来回答有关小题和阅读下一小题。每段对话你将听一遍。
1. Where are the speakers? A. At a bank. B. At a hotel. C. At an airport. 2. What’s the relationship between the two speakers? A. Neighbors. B. Roommates. C. Friends. 3. What does the man want to buy？ A. B. C. 4. What was the man fined for? A. Wrong parking. B. Running a red light. C. Driving too fast. 5. When does the flight leave? A. At 8:30 am. B. At 9:00 am. C. At 9:30 am. 第二节（共10小题；每小题1.5分，共15分）听下面4段对话。每段对话后有几道小题，
2014北京市丰台区高考物理二模试题及答案解析 13. 一个氢原子从基态跃迁到n=2的激发态．该氢原子 A ．放出光子，能量增加 B ．放出光子，能量减少 C ．吸收光子，能量增加 D ．吸收光子，能量减少 14. 下列说法中正确的是 A ．温度升高时，每个分子的动能都增大 B ．在两分子间距离增大的过程中，分子间引力增大，斥力减小 C ．在两分子间距离增大的过程中，分子势能一定增大 D ．用N 表示阿伏伽德罗常数，M 表示铜的摩尔质量，ρ表示铜的密度，那么一个铜原 子所占的体积可表示为M ρN 15. 物理学是一门以实验为基础的科学，任何理论和学说的建立都离不开实验。下面有关物理实验与物理理论或学说关系的说法中正确的是 A ．双缝干涉现象的发现表明光是电磁波 B ．光电效应实验证实了光是横波 C ．α 粒子散射实验表明了原子具有核式结构 D ．天然放射现象的发现证实了玻尔原子理论 16．在如图甲所示电路的MN 间加如图乙所示正弦交流电，负载电阻为200Ω，若不考虑电 表内阻对电路的影响，则交流电压表和交流电流表的读数分别为 A ．311V ，1.10 A B ．220 V ，1.10 A C ．220V ，3.11A 17．“嫦娥三号”探测器已成功在月球表面预选着陆区实现软着陆，“嫦娥三号”着陆前在月 球表面附近绕月球做匀速圆周运动，经测量得其周期为T 。已知引力常量为G ，根据这些数据可以估算出 A ．月球的质量 B ．月球的半径 C ．月球的平均密度 D ．月球表面的重力加速度 18．如图甲所示，闭合电路由电阻R 和阻值为r 环形导体构成，其余电阻不计。环形导体所围 的面积为S 。环形导体位于一垂直纸面向里的匀强磁场中，磁感应强度的大小随时间变化的规律如图乙所示。在0-t 0时间内，下列说法正确的是 B B 0×10-2s 甲 乙
丰台区2013-2014学年度第二学期统一练习（一） 四、单项填空（共13分，每小题1分） 从下面各题所给的A、B、C、D四个选项中，选择可以填入空白处的最佳选项。 22. The lovely girl is from America. name is Lucy. A. Her B. His C. Your D. My 23. We don’t have to go to school ________ August. A. on B. at C. in D. to 24. Our classroom is not big，_______ it’s very clean. A. and B. but C. or D. so 25. — Must we finish our work this week? — No, you ______. A. mustn’t B. can’t C. shouldn’t D. needn’t 26. Peter runs very fast, but his brother runs ________ than him. A. fast B. faster C. fastest D. the fastest 27. I have two friends. And _____ of them are singers. A. each B. all C. both D. neither 28. — Where is Miss Li? — She ________ a meeting at the office now. A. is having B. had C. has D. will have 29. — _____ did your mother get home last night? — At about eleven, I think. A. What B. Where C. Who D. When 30. Many foreigners__________ to visit Beijing every year. A. come B. came C. comes D. will come 31. My brother decides _________ to England to study English next year. A. goes B. to go C. go D. going 32. Mr. Brown _____ in this factory since he was twenty-four years old. A. works B. worked C. will work D. has worked 33. A book fair _____ in Chaoyang Park last month. A. hold B. held C. is held D. was held 34. ---Do you know ______ the posters tomorrow? ---Near the school gate. A. where they will put up B. where they put up C. where did they put up D. where will they put up 五、完形填空（共12分，每小题1分） 阅读下面的短文，掌握其大意，然后从短文后各题所给的A、B、C、D四个选项中，选择最佳选项。 Jay Criche, a teacher, died several months ago. He taught English for 30 years. For most of