【2014海淀一模】2014海淀区高三一模物理试题参考答案
海淀区高三年级第二学期期中练习
物理学科参考答案 2014.4
（共120分）
选择题（共48分，13题~20题每题6分）
13．B 14．D 15．B 16．A 17．D 18．C 19．D 20．A
21．（18分）
（1）（共6分）
①bda （2分，说明：没有排序扣1分，漏选、错选不得分）
②B （2分） ③9500（2分）
（2）（共12分）
① A ．adf （3分） B ．2
224t L n π （3分） C ．偏小（2分） ② A ．2.0 （2分） B ．9.76（2分）
22．(16分)
解：（1）滑动摩擦力 f=μmg （1分）
设滑块的加速度为a 1，根据牛顿第二定律
F-μmg =ma 1 （1分）
解得 a 1=9.0m/s 2 （1分）
设滑块运动位移为0.50m 时的速度大小为v ，根据运动学公式
v 2=2a 1x （2分）
解得 v =3.0m/s （1分）
（2）设滑块通过B 点时的动能为E kB
从A 到B 运动过程中，依据动能定理有 W 合=ΔE k
F x -fx 0= E kB ， （4分）
解得 E kB =4.0J （2分）
（3）设滑块沿圆弧轨道上升过程中克服摩擦力做功为W f ，根据动能定理 -mgh -W f =0-E kB （3分）
解得 W f =0.50J （1分）
23．（18分）
解：（1）烟尘颗粒在通道内只受电场力的作用，电场力F=qE （1分） 又因为 h
U E = （1分） 设烟尘颗粒在通道内运动时加速度为a ，根据牛顿第二定律有 ma h
qU =（2分） 解得 22m/s 100.4?=a ，方向竖直向下 （2分）
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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
2014海淀高三英语一模试题
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.”
2014年高考化学全国1卷理综化学含解析答案完整版.doc
2014年普通高等学校招生全国统一考试（新课标I 卷） 理科综合能力测试化学部分 7．下列化合物中同分异构体数目最少的是( ) A ．戊烷 B ．戊醇 C ．戊烯 D ．乙酸乙酯 9．已知分解1 mol H 2O 2 放出热量98KJ ，在含少量I －的溶液中，H 2O 2的分解机理为： H 2O 2＋ I － →H 2O ＋IO － 慢 H 2O 2＋ IO －→H 2O ＋O 2＋ I － 快 下列有关反应的说法正确的是( ) A ．反应的速率与I －的浓度有关 B ． IO －也是该反应的催化剂 C ．反应活化能等于98KJ·mol －1 D ．v(H 2O 2)=v(H 2O)=v(O 2) 10．W 、X 、Y 、Z 均是短周期元素，X 、Y 处于同一周期，X 、Z 的最低价离子分别为X 2 － 和Z － ，Y ＋和Z -离子具有相同的电子层结构。下列说法正确的是( ) A ．原子最外层电子数：X ＞Y ＞Z B ．单质沸点：X ＞Y ＞Z C ．离子半径：X 2－＞Y ＋＞Z － D ．原子序数：X ＞Y ＞Z 11．溴酸银(AgBrO 3)溶解度随温度变化曲线如图所示，下列说法错误的是( ) A ．溴酸银的溶解时放热过程 B ．温度升高时溴酸银溶解速度加快 C ．60 ℃时溴酸银的K sp 约等于6×10－ 4 D ．若硝酸钾中含有少量溴酸银，可用重结晶方法提纯 12．下列有关仪器的使用方法或实验操作正确的是( ) A ．洗净的锥形瓶和容量瓶可以放进烘箱中烘干 B ．酸式滴定管装标准液前，必须先用该溶液润洗 C ．酸碱滴定实验中，用待测溶液润洗锥形瓶以减小实验误差 D ．用容量瓶配溶液时，若加水超过刻度线，立即用滴定管吸出多余液体。
2017海淀初三物理一模答案
1 海淀区九年级第二学期期中练习 物 理 参考答案及评分标准 2017.5 二、多项选择题 （共8分，每小题2分。每小题选项全选对的得2分，选对但不全的得1 分，有错选的不得分） 三、实验探究选择题（本题共20分，每小题2分。在每小题给出的四个选项中，第20～26 题只有一项符合题目要求，第27～29题有多项符合题目要求，全部选对的得2分，选对但不全的得1分，有错选的不得分） 四、实验解答题（本题共30分） 30．（1）断开；B （2分） （2）2；0.6 （2分） 31．（1）A （2）丙 （2分） 32．20N /cm x （） （2分） 33．示例一：四弦琴发声的音调与橡皮筋粗细有关吗？ 示例二：四弦琴发声的音调与木板位置是否有关？ （其他答案正确的，均可相应得分） （2分） 34．（1）电阻 （2）示数变化 （2分 ） 35．（1）B （2）无关 （2分） 36．用细钢针将木块压入烧杯内的水中浸没，不与烧杯相接触（2分） 132 = m m m ρρ-水木 （2分） 37．（1）没有控制通过导体的电流I 不变； （2）步骤③中，改变电阻箱的阻值、闭合开关后，应调节滑动变阻器滑片P ，使电流
2 表的示数仍为I 。 （其他答案正确的，均可相应得分） （3分） 38．实验步骤： ①在已调零的弹簧测力计下悬挂铝棒，记录弹簧测力计的示数0F ； ②将悬挂在弹簧测力计下方的铝棒浸没在水中，用刻度尺测出铝棒下表面所处的深度 1h ，读出弹簧测力计的示数1F ，将1h 和1F 的数据记录在表格中； ③将悬挂在弹簧测力计下方的铝棒下移，使铝棒下表面所处的深度增加，用刻度尺测出铝棒下表面所处的深度2h ，读出弹簧测力计的示数2F ，将2h 和2F 的数据记录在表格中。 实验现象： 利用011F F F =-浮 和022F F F =-浮 分别计算出两次实验中铝棒所受浮力大小1F 浮 和2F 浮 ，两次实验中12h h < ，但12F F =浮浮 ，所以小明“物体在水中所受浮力的大小，跟 它下表面所处的深度有关”的结论是错误的。 （其他答案正确的，均可相应得分） （4分） 39．（1）A （1分） （2）实验步骤： ①将F 形LED 灯、凸透镜甲和光屏从左到右依次固定在光具座的滑块上，将三者的中心调到同一高度； ②将F 形LED 灯移至20cm 刻线处，打开LED 灯，移动光屏并在光屏上观察到LED 灯清晰的像，用刻度尺测量像的高度h ，将f 与h 的数据记录在表格中； ③将透镜分别换成乙和丙，仿照步骤②再做两次实验，每次实验中先将F 形LED 灯、凸透镜和光屏的中心调到同一高度，不改变透镜和F 形LED 灯的位置，移动光屏并在光屏上观察到LED 灯清晰的像，用刻度尺测量像的高度h ，将f 与h 的数据记录在表格中。 （其他答案正确的，均可相应得分） （3分） （3）实验数据记录表格： /cm f /cm h （1分） 五、科普阅读题（共6分，每小题3分） 40.（1）A （2）升高 （3）B 41.（1）B （2）3600 （3）C 六、计算题（共6分，每小题3分） 42．解：当开关S 闭合时，等效电路如答图1所示 （1）12–6V 2V 4V U U U ==-= U 1 R 1 U P 2 I R 2 U 2 答图1
2021年北京市丰台区高三一模考试英语试卷 (1)
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