定语从句、名词性从句及状语从句易错题
从从句句易易错错题题
1.—Why does she always ask you for help?
—There is no one else _____ , is there?
A．who to turn to B．she can turn to C．for whom to turn D．for her to turn
2. —Is that the small town you often refer to?
—Right, just the one _____ you know I used to work for years.
3. Last month, part of Southeast Asia was struck by floods, from _____ effects people are still suffering.）
A. that
B. whose
C. those
D. what
A. that
B. which
C. where
D. what
4. The journey around the world took the old sailor nine months, ________ the sailing time was
226 days.
A. of which
B. during which
C. from which
D. for which
5. Doris' success lies in the fact ___ she is co-operative and eager to learn from others.
A. which
B. that
C. when
D. why
6. Women _____drink more than two cups of coffee a day have a greater chance of having heart
disease than those ____don’t.
A. who; 不填
B. 不填; who
C. who ; who
D. 不填; 不填
7. His plan was such a good one_____ we all agreed to accept it.
A. so B .and C. that D. as
8. Helen was much kinder to her youngest son than to the others , _______ , of course , made the others envy him.
A. who
B. that
C. what
D. which
9. Anyway, that evening , _____ I’ll tell you more about later, I ended up staying at Rachel’s place.
A. when
B. where
C. what
D. which
10. There was ______ time _______ I hated to go to school.
A．a; that B．a; when C．the; that D．the; when
11. What surprised me was not what he said but ______ he said it .
A．the way B．in the way that C．in the way D．the way which
12. I can think of many cases _________ students obviously knew a lot of English words and
1
expressions but couldn't write a good essay.
A. why
B. which
C. as
D. where
13. I’ll give you my friend’s home address, I can reach most evenings.
A. which
B. when
C. whom
D. where
14. No decision about any future appointment until all the candidates have been
interviewed.
A. will be made
B. is made
C. is being made
D. has been made
15. He _______football regularly for many years when he was young.
A. was playing
B. played
C. has played
D. had played
16. Occasions are quite rare ____ I have the time to spend a day with my kids.
A. who
B. which
C. why
D. when
17. The English spoken in the United States is only slightly different from spoken in
England.
A. which
B. what
C. that
D. the one
18. For many cities in the world, there is no room to spread out further, _______ New York is an example.
A. for which
B. in which
C. of which
D. from which
19. —Have you got any job offers?
—No. I ______.
A. waited
B. had been waiting
C. have waited
D. am waiting
20. The wet weather will continue tomorrow when a cold front _________ to arrive.
A. is expected
B. is expecting
C. expects
D. will be expected
21. Information has been put forward ____ more middle school graduates will be admitted into universities.
A. while
B. that
C. when
D. as
22. This is ___the Shenzhou V Spaceship landed.
A. there
B. in which
C. where
D. when
23. He asked the tailor ____.
A. how long would the coat be ready
B. how soon would the coat be ready
C. how long the coat would be ready
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D. how soon the coat would be ready
24. The order came ___the soldiers ____the small village the next morning.
A. that ; had to leave
B. that; should leave
C. /; must leave
D. when; should leave
25. ___ is no possibility ____Bob can win the first prize in the match.
A. There; that
B. It; that
C. There; whether
D. It; whether
26.____the meeting should last two days or three days doesn’t matter.
A. That
B. Whether
C. If
D. Where
27. _____ more countries can use natural energy in the future remains to be seen.
A. Whether
B. That
C. Who
D. If
28. We all know the truth ________ there are air, water and sunlight there are living things.
A. where
B. wherever
C. that
D. that wherever
29. Is____ true that the famous scientist will give us a lecture next week?
A. that
B. it
C. his
D. he
30. ___ gets home first is to cook the supper.
A. Who B Whom C. Those who D. Whoever
31. ___ moved us most was___ he liked after the old man for more than twenty years.
A. That; that
B. What; that C What; what D. That; what
32. If you know___ it was that write A Tale of Two Cities, raise your hand.
A. whom
B. which
C. who
D. that
33. ___ David says sounds right to Helen. That’s why she has made up her mind
to leave with him___ happens.
A. Whatever; whatever
B. No matter what; whatever
C. No matter what; no matter what
D. Whatever; however
34. Why don’t you bring___ to his attention that you are too busy to do it?
A. that
B. what
C. that
D. it
35. The reason I plan to go is___ she will be disappointed if I don’t.
A. because
B. that
C. why
D. what
36. ---Have you found your book yet?
---No, I’m not sure___ I could have left it.
A. whether
B. where
C. when
D. why
37. ---What were you trying to prove to the police?
3
---___ I was last night.
A. That
B. When
C. Where
D. What
38. Great changes have taken place in that school. It is no longer ______ it was 20 years ago,
_____ it was so poorly equipped.
A. what; when
B. that; which
C. what; which
D. which; that
39. Danby left word with my secretary _________ he would call again in the afternoon.
A．who B．that C．as D．which
40. This is ____ the question lies.
A. what
B. that
C. where
D. how
二．动词适当形式填空
1. He insisted that he ___ (be) in good health and ______ (send) to work there.
2. It was natural that my pictures __________ (surprise) them
3. I’ll do whatever I can _____________ (help) him.
4. I’m sure the work _______________(finish) in tow weeks.
5. We heard that she ___________ ( get) married next month..
6. By two o’clock yesterday afternoon, we _________ (get) everything ready.
7. Mr. White works as a lawyer now, but he _______ (work) in a company for several years.
8. ---We could have walked to the station. It was so near.
---Yes. A taxi _________ (be not)at all necessary.
9. I hope that my teacher __________ (help) me with my task.
10.I wish that my teacher ________(help) me with my task.
K e y s:
11--2200B B C C B B A A B B C C C C D D D D B B A A D D D D A A B B D D C C C C D D A A
2211--4400B B C C D D B B A A B B A A D D B B D D B B C C A A D D B B B B C C A A B B C C
1. was, be sent
2. should surprise
3. to help
4.will be finished
5. would get
6. had got
7. worked
8. wasn’t
9. will help 10. would help
4
5
新初中英语语法知识—定语从句的易错题汇编含答案解析(2)
一、选择题 1．I still remember the college and the teachers ________ I visited in London years ago. A．what B．who C．that D．which 2．Stephen Curry is a great basketball player ____is popular in the United States and even in China. A．which B．who C．what 3．Lily doesn’t know ________ she and her friends can do to help the little boy ________ parents have left their hometown for making money. A．what; whose B．how; who C．how; whose 4．-Have you found the information about the famous people ______ you can use for the report? -Not yet. I’ll search some on the Internet. A．who B．what C．whom D．which 5．―Do you know everybody came to the party? ―I'm afraid not. I don't know the one you had a long talk with. A．which; that B．/;whom C．that; which D．who;/ 6．A detective is someone ____________looks for clues to something important. A．whom B．who C．what D．which 7．Liu Xiang is the first player in Asia _________ won the gold prize in the 110-hurdle race in the 28th Olympic Games. A．which B．who C．whom D．that 8．—Have you heard of Junko Tabei? —Yes, she was the first woman ________ succeeded in reaching the top of Qomolangma. A．who B．whom C．which D．that 9．Paul likes musicians _________ play different kinds of music. A．who B．whose C．why D．where 10．—Do you know the boy ________ is holding a ball over there? —Yes. He’s my classmate. A．which B．whose C．what D．who 11．Mice, dogs and monkeys were the animals _________first went into space. A．that B．whom C．whose D．what 12．Mr. White went to his hometown and visited the old house _______ he was born in. A．what B．who C．which D．it 13．Friends are those__________always help you out and encourage you to succeed. A．whom B．which C．who 14．That ________ does not kill us makes us stronger. A．that B．what C．who D．which 15．—What kind of music do you like？ —I love all the music ______I can sing along with．（）
受力分析练习题(含标准答案及详解)
精选受力分析练习题35 道（含答案及详解） 1．如右图 1 所示，物体M 在竖直向上的拉力 F 作用下静止在斜面上，关于M 受力的个数，下列说法 中正确的是（ D ） A．M 一定是受两个力作用B．M 一定是受四个力作用 C．M 可能受三个力作用D．M 不是受两个力作用就是受四个力作用 ２．（多选）如图 6 所示，两个相似的斜面体A、B 在竖直向上的力 F 的作用下静止 靠在竖直粗糙墙壁 上。关于斜面体A和 B 的受力情况，下列说法正确的是（ＡＤ） 图6 A ．A 一定受到四个力 B．B 可能受到四个力 C．B 与墙壁之间一定有弹力和摩擦力D．A 与B 之间一定有摩擦力 3、如图3所示，物体A、B、C 叠放在水平桌面上，水平力F作用于C物体，使A、 B 、 C 以共同速度向右匀速运动，那么关于物体受几个力的说法正确的是（ A ） A．A 受6个，B 受2个，C受4个B．A 受5个，B 受3个，C 受3个 C．A 受5个，B 受2个，C受4个D．A 受6个，B 受3个，C 受4个 ４.（多选）如图5所示，固定的斜面上叠放着A、B 两木块，木块 A 与 B 的接 触面是水平的，水平力F 作用于木块A，使木块A、B 保持静止，且F≠0。则下列描述正确的是（ＡＢ Ｄ） 图5 A ． B 可能受到５个或 4 个力作用 B．斜面对木块B 的摩擦力方向可能沿斜面向下 C．A对B的摩擦力可能为0 D．A、B 整体可能受三个力作用 5、如右图 5 所示，斜面小车M 静止在光滑水平面上，一边紧贴墙壁．若再在斜面上加一物体m，且M 、m 相对静止，小车后来受力个数为（ B ） 图1
A ．3 B ．4 C ．5 D ．6 解读： 对 M 和 m 整体，它们必受到重力和地面支持力．对小车因小车静止，由平衡条件知墙面 对小车必无作用力，以小车为研究对象．如右图所示，它受四个力；重力 M g ，地面的支持力 F N1， m 对它的压力 F N2 和静摩擦力 Ff ，由于 m 静止，可知 F f 和 F N2 的合力必竖直向下，故 B 项正确． 6、如图 6 所示，固定斜面上有一光滑小球， 有一竖直轻弹簧 P 与一平行斜面的轻弹簧 Q 连接着， 小球处于静止状态，则关于小球所受力的个数不可能的是（ A ） A ．1 B ．2 C ．3 D ．4 7、如图 7 所示，在竖直向上的恒力 F 作用下，物体 A 、B 一起向上做匀加速运动。在运动过程 中，物体 A 保持和墙面接触， 物体 B 紧贴在 A 的下表面，A 和 B 相对静止，则下列说法正确的是 （ CD ） A. 竖直墙面对物体 A 有摩擦力的作用 B. 如果物体运动的加速度较小，则物体 C. 物体 B 受到 4 个力作用 D. 因为有向上的加速度，所以 A 、B 处于超重状态，恒力 F 一定大于物体 A 和 B 受到的重力之和 8、如图 8所示，小车 M 在恒力 F 作用下，沿水平地面做直线运动，由此可判断 （ ） A. 若地面光滑，则小车一定受三个力作用 B. 若地面粗糙，则小车可能受三个力作用 C. 若小车做匀速运动，则小车一定受四个力的作用 D. 若小车做加速运动，则小车可能受三个力的作用 【答案】选 C 、D. 【详解】先分析重力和已知力 F ，再分析弹力，由于 F 的竖直分力可能等于重力，因此地面可能 对物体无弹力作用，则 A 错； F 的竖直分力可能小于重力，则一定有地面对物体的弹力存在，若地面粗糙，小车受 摩擦力作用，共四个力作用， B 错；若小车做匀速运动，那么水平方向上所受摩擦力和 F 的水平分力平衡，这时小 车一定受重力、恒力 F 、地面弹力、摩擦力四个力作用，则 C 对；若小车做加速运动，当地面光滑时，小车受重力 和力 F 作用或受重力、力 F 、地面支持力作用，选项 D 正确 . 9、如图 9 所示， 用一根细绳和一根杆组成三角支架， 绳的一端绕在手指上， 杆的一端顶在掌心， 当Ａ处挂上重物时， 绳与杆对手指和手掌均有作用，对这两个作用力的方向判断完全正确的是图中的（ D ） 10、如图 10 所 示， 一倾斜墙面 下有一 质量为 M 的物体 A 受到一竖直向上的推力 F 的作用，处于静止状态，则（ BD ） A. A 可能受到一个力的作用 B. A 可能受到二个力的作用 A 、 B 间可以没有摩擦力作用 B C D 图9 图6 图7 图8 A
定语从句易错题
1. The factory was built in a secret place, around ______ high mountains. A. which was B. it was C. which were D. them were 解析:最佳答案是C，around which were high mountains 是一个由"介词+which"引出的非限制性定语从句，而在该从句中，主语是high mountains，around which 是表语，所以句子谓语应用复数were，而不是用单数was. 请做以下类例题目（答案均为C）： （1）Yesterday we visited a modern hospital, around _______ some fruit shops. A. which is B. it is C. which are D. them are （2）The murder happened in an old building, beside ______ the city police station. A. which are B. it is C. which is D. them are （3）Next month we'll move to a new building, next to _______ a nice restaurant where we can have Chinese food. A. which are B. it is C. which is D. them are 2. A man with a bleeding hand hurried in and asked, "Is there a hospital around ______ I can get some medicine for my wounded hand?" A. that B. which C. where D. what 【解析】最佳答案为C。以上语法分析并不算错，但问题是，照此分析，此句的意思即为：有没有这样一个医院，我在它的附近可以买药治我的手伤？这样的语境显然有点不合情理，因为人们通常是在医院里面治伤，而不是在医院附近治伤。此题选 C 的理由是：句中的around 不是介词，而是副词，意为"在附近"；其后的where 引导定语从句用以修饰其前的地点名词hospital，句意为：附近有没有一家医院，我可以去治我的手伤？ 3. _____ is known to everybody, the moon travels round the earth once every month. A. It B. As C. That D. What 解析：最佳答案是B。as 引导的是一个非限制性定语从句。 4. _______ is known to everybody that the moon travels round the earth once every month. A. It B. As C. That D. What 解析：此题答案选A，it 为形式主语，真正的主语是后面的that 从句。
(完整word)精选受力分析练习题(含答案及详解),推荐文档
精选受力分析练习题15道（含答案及详解） 1．如右图1所示，物体M 在竖直向上的拉力F 作用下静止在斜面上，关于M 受力的个数，下列说法中正确的是（D ） A ．M 一定是受两个力作用 B ．M 一定是受四个力作用 C ．M 可能受三个力作用 D ．M 不是受两个力作用就是受四个力作用 2、如图2所示,物体A 靠在竖直墙面上,在力F 作用下,A 、B 保持静止.物体B 的受力个数为 ( ) A.2 B.3 C.4 D.5 答案 C 解析 B 物体受四个力的作用,即重力、推力F 、物体A 对B 的支持力和物体A 对B 的摩擦力. 3、如图3所示，物体A 、B 、C 叠放在水平桌面上，水平力F 作用于C 物体，使A 、 B 、 C 以共同速度向右匀速运动，那么关于物体受几个力的说法正确的是 （ A ） A ．A 受6个， B 受2个， C 受4个 B ．A 受5个，B 受3个，C 受3个 C ．A 受5个，B 受2个，C 受4个 D ．A 受6个，B 受3个，C 受4个 4、如图4所示，在水平力F 作用下，A 、B 保持静止.若A 与B 的接触面是水平的，且F≠0.则关于B 的受力个数可能为( ) A.3个 B.4个 C.5个 D.6个 解析：对于B 物体，一定受到的力有重力、斜面支持力、A 的压力和A 对B 的摩擦力，若以整体 为研究对象，当F 较大或较小时，斜面对B 有摩擦力，当F 大小适当时，斜面对B 的摩擦力为零，故B 可能受4个力，也可能受5个力.答案：BC 5、如右图5所示，斜面小车M 静止在光滑水平面上，一边紧贴墙壁．若再在斜面上加一物体m ，且M 、m 相对静止，小车后来受力个数为( B ) A ．3 B ．4 C ．5 D ．6 解析： 对M 和m 整体，它们必受到重力和地面支持力．对小车因小车静止，由平衡条件知墙面对小车必无作用力，以小车为研究对象．如右图所示，它受四个力；重力M g ，地面的支持力F N1，m 对它的压力F N2和静摩擦力Ff ，由于m 静止，可知F f 和F N2的合力必竖直向下，故B 项正确． 6、如图6所示，固定斜面上有一光滑小球，有一竖直轻弹簧P 与一平行斜面的轻弹簧Q 连接着， 小球处于静止状态，则关于小球所受力的个数不可能的是 （ A ） A ．1 B ．2 C ．3 D ．4 7、如图7所示，在竖直向上的恒力F 作用下，物体A 、B 一起向上做匀加速运动。在运动过程 中，物体A 保持和墙面接触，物体B 紧贴在A 的下表面，A 和B 相对静止，则下列说法正确的是（ CD ） A.竖直墙面对物体A 有摩擦力的作用 B.如果物体运动的加速度较小，则物体A 、B 间可以没有摩擦力作用 图 1 图 2 图 3 图 4 图 5 图 6 图7
定语从句易错题讲解
定语从句易错题讲解 在历届高考试题中，对定语从句及相关从句的考试题，几乎是每年都有，出题角度变化无常，且定语从句的教学在中学英语教学中居十分重要的地位． 1. The factory __________ his mother works is in the east of the city. A. that B. which C. on which D. where 答案：D．关系副词where 在定语从句中作地点状语． 2. The place __________ interest ed me most was the Children’s Palace. A. which B. where C. what D. in which 答案：A．关系代词which代the place , 在定语从句中作主语，所以不能选B，D．如不用Ｔhe place 就选C，主语从句． ＊归纳：在学习定语从句时不要一看到表示地点的字眼就选where或in which等。 3. Please make a mark ________you don’t understand. A. where B. in which C. at which D. that 答案：A．where引导地点状语从句。 4. They talked of things and persons ________they remembered in the school. A. that B. \ C. whom D. both A and B 答案D先行词为things and persons 为人和事，只能用that ,因为作宾语，故可省。 5. All ________has to be done every day is to listen and to repeat what he does. A. that B. which C. whom D. he 答案A 先行词all 为不定代词，只能用that ,不能用which.此外还有先行词为 anything, everything, nothing, any ,little, one, few, much, none等，如： （1） The re isn’t much that I can do. （2） He is one of the few that can work it out in five minutes. 6. This is the biggest library ______ we have ever built in our university. A. which B. where C. that D. one 答案C 当先行词由形容词最高级或被形容词最高级修饰时用that. 7 This is the first place _______I’ve ever visited. A. where B. in which C. that D. which 答案C 当先行词为序数词或被序数词修饰时用that. 8. Is this the very museum ______ you visited the other day? A. which B. that C. what D. where 答案B 当先行词被the very, the only 等修饰时用that 9. She is wearing the same dress ______she wore yesterday. A. like B. as C. that D. which 答案C 当先行词被the same 修饰，且指“同一物品”时用that. 10. He is not the man _____ he was. A. what B. that C. as D. who 答案B 关系代词在定语从句中作表语时用that. 11. Which is the book ______you bought yesterday? A. which B. that C. what D. the one 答案B 当主语从句是以who, which 开头的特殊疑问句或先行词是who 时用that. 12. I have the same book _____you bought yesterday. A. as B. that C. which D. what
定语从句易错题及解析
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定语从句易错题集锦
定语从句错题集锦 1.The thought of going back home was ________ kept him happy while he was working abroad. A. all that B. all C. which D. that 2. ---Do you have anything to say for yourselves? --- Yes, there’s one point______ we must insist on. A. why B. where C. how D. / 3. After graduation she reached a poiont in her career _______ she needed to decide what to do. A. that B. what C. which D. where 4. She’ll never forget her stay there ______ she found her son who had gone missing two years before. A. that B. which C. where D. when 5. All the neighbors admire this family, ______ the parents are treating their child like a friend. A. why B. where C. which D. when 6. Later in this chapter cases will be introduced to readers _______ consumer complaints have resulted in changes in the law. A. where B. when C. who D. which 7. Occasions are quite rare ______ I have time to spend a day with my kids. A. who B. which C. why D. when 8. Those successful deaf dancers think that dancing is an activity _______ sight matters more than hearing. A. when B. whose C. which D. where 9. ---Is that the small town you often refer to? ---Right, just the one _______ you know I used to work for years. A. that B. which C. where D. what 10. For many cities in the world, there is no room to spread out further, _______ New York is an example. A. for which B. in which C. of which D. above which 11. Human facial expressions differ from those of animals in the degree _______ they can be controlled on purpose. A. with which B. to which C. of which D. for which 12. We saw several natives advancing towards our party, and one of them came up to us, _______ we gave some bells and glasses. A. to which B. to whom C. with whom D. with which 13. I saw a woman running toward me in the dark. Before I could recognize who she was, she had run back in the direction ________ she had come. A. of which B. by which C. in which D. from which 14. He regularly checked his secret drawers, ________ were stored some precious paintings and jewels. A. that B. which C. whom D. where 15. Culture refers to a group or community _______ we share common experiences that shape the way we understand the world. A. with which B. that C. for which D. what 16. When people talk about the places of interest in China, the first _______ comes into mind is the Summer Palace. A. one B. that C. of them D. of which 17. Is this research center ______ you visited the modern equipment last year? A. where B. that C. the one that D. the one where
受力分析练习题 (2)
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4.下图中的三个物体正在匀速直线向左运动，那么各接触面的摩擦力大小和方向如何？ 5.如图所示，质量都是m的4块砖被夹在两木板之间静止。求中间两块砖之间的摩擦力。 6：对如图所示的皮带传动装置，下列说法中正确的是：（） A．A轮带动B轮沿逆时针方向旋转 B．B轮带动A轮沿逆时针方向旋转 C．C轮带动D轮沿顺时针方向旋转 D．D轮带动C轮沿顺时针方向旋转 7．如图所示，A、B两物体排放在水平面上，在水平力F的作用下处于静止状态．在以下情况中对B进行受力分析。 （1）B与水平面间无摩擦。 （2）B与水平面间及B．A之间都存在摩擦。 8．如图所示，人重600N，木板重400N，人与木板，木板与地面间动摩擦系数均为0．2，现在，人用一水平恒力拉绳子，使他与木块一起向右匀速运动，则人拉绳子的力及人与木块间的摩擦力分别是多少？
(易错题精选)初中英语语法知识—定语从句的易错题汇编及答案(1)
一、选择题 1．The four tools _________ people use for Chinese handwriting are called“Four Treasures of Study”. A．that B．who C．what D．whom 2．Shirley is the girl ______ taught me how to use Wechat(微信). A．whom B．which C．who 3．The painting by Picasso ________ is about people’s love for life is shown in the museum. A．who B．which C．what 4．-- Class, you should be thankful to those people _______ helped and supported you. -- We will. Miss Chen. A．which B．whom C．who D．whose 5．Those students ____ from England like Chinese food very much. A．who is B．which are C．that is D．who are 6．—Qingdao is the most beautiful city ________ I’ve ever been to. —So it is. Many international meetings are held there every year. A．that B．which C．who D．where 7．Lily doesn’t know what she and her friends can do to help the little boy _______parents have left their hometown for making money. A．that B．who C．whom D．whose 8．The film _____________ I like best is Frozen. A．who B．where C．which 9．Yuan Longping is a Chinese scientist __________ is leading a research to develop sea rice. A．whose B．which C．who 10．The movie ______ we saw last night was fantastic. A．that B．what C．whose D．Who 11．— What are you doing, Tim? — I am listening to the song Long Live _______ makes me feel excited. A．which B．who C．/ 12．This is the small village inn ______ not long ago. A．we stayed B．where we stayed C．which we stayed D．where we stayed in 13．—Have you heard of Junko Tabei? —Yes, she was the first woman ________ succeeded in reaching the top of Qomolangma. A．who B．whom C．which D．that 14．This photo often reminds the man of his grandfather ________ died five years ago.
定语从句错题集
定语从句 一、单项选择 1.All the neighbors admire this family, _________ the parents are treating their child like a friend. A.why B. where C. which D. that 2.It was an exciting moment for these football fans this year, __________ for the first time in years their team won the World Cup. A.that B. while C. which D. when 3.By serving others, a person focuses on someone other than himself or herself, _____ can be very eye-opening and rewarding. A.who B. which C. what D. that 4.Anyway, that evening,_______ I’ll tell you more about later, I ended up staying at Rachel’s place. A.when B. where C. what D. which 5.Those successful deaf dancers think that dancing is an activity _____ sight matters more than hearing. A.when B. whose C. which D. where 6.Great changes have taken place in that school. I t’s no longer ______ it was 20 years ago, ______ it was so poorly equipped. A.what; when B. that; which C. what; which D. which; that 7.By nine o’clock, all the Olympic torch bearers had reached the top of Mount Qomolangma, ______ appeared a rare rainbow soon. A.of which B. on which C. from which D. above which 8.The boss ____department Mrs. King worked 10 years ago looked down upon women. A.in which B. in that C. in whose D. whose 9.The journey around the world took the old sailor nine months, _____ the sailing time was 226 days. A.of which B. during which C. from which D. for which 10.For many cities in the world, there is no room to spread out further, ____New York is an example. A.for which B. in which C. of which D. from which https://www.360docs.net/doc/cc12596862.html,ter cases will be introduced to readers ____consumer complaints have resulted in changes in the law. A.where B. when C. who D. which 12.The doctor advised Vera strongly that she should take a holiday, but ____ didn’t help. A.it B. she C. which D. he 13.He has two children, both of ____ being abroad. A.them B. which C. whom D. who 14.-Mom, what did your doctor say?
高中物理各种模型受力分析练习题
单一物体在水平面上的受力问题 1、如右图所示，甲、乙、丙三个物体，质量相同，与地面间的动 摩擦因数相同，受到三个大小相同的作用力F，它们受到的摩擦 力的大小关系是( ) A．三者相同B．乙最大 C．丙最大D．已知条件不够，无法比较 2、如右图所示，在动摩擦因数μ＝的水平面上向右运动的物体，质量为 20kg，在运动过程中，还受到一个水平向左的大小为10N的拉力作用，则 物体受到的滑动摩擦力为(g取10N/kg)( ) A．10N，向右B．10N，向左 C．20N，向右D．20N，向左 3、质量为m的木块，在与水平方向夹角为θ的推力F作用下，沿水平地 面做匀速运动，如右图所示，已知木块与地面间的动摩擦因数为μ，那 么木块受到的滑动摩擦力应为( ) A．μmg B．μ(mg＋F sinθ) C．μ(mg－F sinθ) D．F cosθ 4、水平地面上的物体受一水平力F的作用，如右图所示，现将作用力F保持大小不变，沿逆时针方向缓缓转过180°，在转动过程中，物体一直在向右运动，则在此过程中，物体对地面的正压力F N和地面给物体的摩擦力F f的变化情况是( ) A．F N先变小后变大，F f不变 B．F N不变，F f先变小后变大 C．F N、F f都先变大后变小 D．F N、F f都先变小后变大 5、如右图所示，一木块放在水平桌面上，在水平方向共受到三个力即F1、F2和摩擦力的作用，木块处于静止状态，其中F1＝10N，F2＝2N．若撤去力F1，则木块在水平方向受到的合力为( ) A．10N，方向向左B．6N，方向向右 C．2N，方向向右D．零 6、如下图甲所示，重为G的物体在水平外力F作用下，向右以2m/s的速度匀速运动，物体与水平面间的动摩擦因数为μ.试问在下列情况下物体受到的滑动摩擦力将怎样变化？ (1)当F突然增大时； (2)从撤去F到物体最终静止的过程中； (3)将物体立放起来(如图乙)，仍在水平拉力F作用下，向右匀速运动的过程中． 7、质量为的空木箱，放置在水平地面上，沿水平方向施加拉力，当拉力F1＝时，木箱静止；当拉力F2＝时，木箱做匀速运动，求： (1)木箱与地面间的动摩擦因数； (2)木箱在的拉力作用下受到的摩擦力的大小； (3)木箱在水平拉力作用下，受到的摩擦力的大小． 8、如图所示，一个质量为m=2kg的物块，在F=10N的拉力作用下，从静止开始沿水平面做匀加速直线运动，拉力方向与水平成θ=370，物块与水平面的动摩擦因数μ=，取重力加速度g=10m/s2，sin370=，cos37°=。 （1）画出物块的受力示意图；
高考英语定语从句知识点易错题汇编含答案解析(2)
高考英语定语从句知识点易错题汇编含答案解析(2) 一、选择题 1．Companies should understand the risks _______ they are exposed and monitor their control environments adequately. A．on which B．in which C．to which D．with which 2．Newton is shown as a gifted scientist with every human weakness stood at the point in history magic ended and science began. A．who; where B．which; where C．who; when D．which; that 3．Many nurses, ______ were retired, headed for affected areas to help. A．most of which B．most of whom C．most of them D．most of who 4．Among the many dangers__________ sailors have to face, probably the greatest of all is fog. A．which B．what C．where D．when 5．I’ve come to the point____I can’t stand her arguing any longer. A．why B．which C．that D．where 6．Search engines search the Internet based on the key words you type in, and choose such web pages for you ________ contain the words you ask for. A．where B．who C．which D．as 7．The president of Harvard pioneered the elective system______ students were able to choose their own courses of study. A．on which B．about which C．to which D．by which 8．Claims, if any, must be made within 30 days, _____ no claims will be accepted. A．without which B．for which C．during which D．after which 9．We all have times of insecurity in life, _____ there is nothing to do but bravely face the feelings of doubt. A．which B．when C．where D．that 10．He bought a new building _____top is different from those of the others around. A．what B．which C．that D．whose 11．The middle and high school period is a special one for children, a transition from children to adult, ______ children tend to be rebellious (反抗的). A．when B．where C．that D．of which 12．Try to be a responsible school by not allowing anyone to attend class, ________ has had a fever. A．who B．which C．as D．that 13．My brother bought a telescope, ______ he could study the star in the night sky. A．of which B．through which C．in which D．on which 14．What surprised me was not what he said but the way _______ he said it. A．that B．in that C．what D．where 15．She's always suggesting ways ______ I can improve my cooking. I know she means well but