【英语】介词-知识点归纳与练习
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初一英语介词的知识点归纳初一学习过的介词知识比较多,所以对于所学过的介词做好总结很重要,以下是店铺分享给大家的初一英语介词的知识点,希望可以帮到你!初一英语介词的知识点一.时间介词的用法辨析1.时间介词in、on、at、by的用法辨析A.介词in用来表示一天中某段时间,指天、年、月、季节、周次等.如:in the morningB.介词on用来表示某一天或星期几,指明具体的时间.如:on a rainy dayC.介词at用来表示特定的时间、节日、年龄等.如:at noonD.介词by表示…的时候、到、等到…已经等用在天、时间的前面.如:by 2 o‘clock2.时间介词in与after 的用法辨析A.介词in + 一段时间用于一般将来时.如:We’ll go to school in two weeks.B.介词after + 一段时间用于一般过去时.如:My mother came home after half an hour.C.介词after + 时间点常用于一般将来时.如:We’ll go out fora walk after supper.3.时间介词for与since的用法辨析A.介词for 表示一段时间如:I have been living here for 10 years.B.介词since 表示从过去某一时间以来如:I have been living here since 2000.4.时间介词during与for的用法辨析A.当所指的时间起止分明时用介词during如:He swims every day during the summer.B.如果一段时间不明确则用介词for如:I haven’t seen her foryears.5.时间介词before与by的用法辨析A.介词before表示“在…之前”如:He won’t come back before five .B.介词by表示“到…时为止,不迟于…”如:The work must be finished by Friday.6.时间介词till与until用法的异同A.till和until用在肯定句中,均可表示“直到…为止”,如:I will wait till(until)seven o'clock.B.till和until用在否定句中,均可表示“在…以前”或“直到…才”.如:Tom didn't come back till(until)midnight.C.till多用于普通文体,而 until则用于多种文体,并且在句子开头时,用until而不用till.如:Until he comes back,nothing can be done.7.不用介词表达时间的几种情况A.当表示时间的词前有this, that时,其前面不用介词,如:this morningB.当表示时间的词前有next时,其前面不用介词,如:next SundayC.当表示时间的词前有last时,其前面不用介词,如:last SundayD.当表示时间的词前有one, any, each, every, some或all时,其前面不用介词,如:You can come any day.二.方位介词与地点介词的用法辨析1.方位介词on, over, above的用法辨析A.介词on表示一物放在另一物上面,两者紧贴在一起,如:The book is on the table.B.介词over表示一种垂直悬空的上下关系,即“在…上方”,如:Is there any bridge over the river?C.介词above表示一般的“高于…”,“在…之上”,如:There was an electric clock above his bed.2.方位介词under与below的用法辨析A.介词under是over的反义词即“在…下方”,如:They were seen under the tree.B.介词below是above的反义词即“低于…”,“在…之下”,如:They live below us.3.方位介词across,、through、over,、past的用法辨析A.介词across着重于“从一头或一边到另一头或另一边”,强调从表面穿过.如:She went across the street to make some purchases.B.介词through着重于“穿越”,强调从一定的空间内穿过.如:The sunlight was coming in through the window.C.介词over多表示从“上方越过”,如:He failed to go over the mountain; he had to go round it.D.介词past表示从“面前经过”,如:Someone has just gone past the window.4.方位介词in、on、at的用法辨析A.介词in表示“排、行、组”,如:We are in Team One.B.介词on表示“左、右”,如:Li Ping is on my left.C.介词at表示“前、后”,如:I sit at the front of the classroom.5.方位介词to、for的用法辨析A.介词to表示目的地或去的目的,如:Wil you take a train to Tianjian.B.介词for表示动身去某地,如:He got on a train for Shanghai.6.地点介词at与in的用法辨析A.介词at表示较小的地方,如家、村、乡村等,如:He lives at a small village.B.介词in表示较大的地方,如大城市、国家、洲等,如:He lives in Beijing.7.地点介词at与on的用法辨析A.介词at用于门牌号,如:He lives at No.200, Nanjing Road.B.介词on用于路名,如:He lives on Nanjing Road.8.地点介词in、on、to的用法辨析A.介词in表示“包含”如:Beijing is in the north of China.B.介词on表示“紧邻”如:Canada lies on the north of the U.S.C.介词to表示“没接触”如:France lies to the south of England.初一学好英语的建议一、培育学习英语的兴致爱因斯坦以前说过:“兴致和喜好是最好的老师。
方位介词五年级知识点归纳方位介词是英语中用来表示物体位置关系的词汇,对于五年级的学生来说,掌握这些介词对于理解和表达空间关系至关重要。
以下是方位介词的知识点归纳:1. 基本方位介词:- in:在...里面- on:在...上面- under:在...下面- above:在...上方- below:在...下方2. 方位介词的扩展用法:- inside:在...内部- outside:在...外部- over:在...正上方- beneath:在...正下方3. 方位介词的组合:- in front of:在...前面- behind:在...后面- next to:紧挨着...- between:在...两者之间4. 方位介词与时间的结合:- before:在...之前- after:在...之后- during:在...期间5. 方位介词的比较级和最高级:- higher:更高的- highest:最高的- lower:更低的- lowest:最低的6. 方位介词的反义词:- inside的反义词是outside- above的反义词是below- in front of的反义词是behind7. 方位介词的语境应用:- 描述房间布局:The desk is in front of the window.- 描述物体位置:The cat is under the table.- 描述时间点:We will arrive before the meeting starts.8. 方位介词的练习:- 练习题:The book is not on the table, it is under the table.- 填空题:Please put the vase above the shelf.9. 方位介词的易混淆点:- on和over的区别:on表示接触表面,over表示上方但不接触。
- in和inside的区别:in通常用于表示在某个空间内,inside强调在内部。
第九讲:介词一、【考点解读】介词是一种用来表示词与词、词与句之间的关系的虚词,在句子中不能单独作成分。
介词后面一般有名词代词或相当于名词的其他词类,短语或从句作它的宾语。
介词和它的宾语构成介词词组,在句中作状语、表语、补语或介词宾语。
介词可以分为时间介词、地点介词、方式介词、原因介词和其他介词。
介词是英语中最活跃的词类之一,特别是一些常用介词的搭配力特别强,可以用来表示各种不同的意思。
二、【知识讲解】Mrs. Smith’s kitchenMrs. Smith’s kitchen is small.There is a refrigerator in the kitchen.The refrigerator is white.It is on the right.There is an electric cooker in the kitchen.The cooker is blue.It is on the left.There is a table in the middle of the room.There is a bottle on the table.The bottle is empty.There is a cup on the table, too.The cup is clean.知识点1——时间介词at, on, in 的用法1. at(1)表示具体时刻,如:at three o’clock在三点钟at half past eight在八点半(2)固定搭配:at noon at night at dawn at duskat the moment at first at the beginning at presentat last at sunrise at sunset at the age ofat the same time at dinner-time at the end of at Christmas2. on(1)表示具体某一天(包括节假日),如:on March 8th, 2016在2016年3月8日on Children’s Day在儿童节(at the Spring Festival)on Sunday在星期天(2)表示具体某一天的早、中、晚,如:on Saturday morning在周六早上on a rainy evening在一个下雨的傍晚on a hot afternoon在一个炎热的下午3. in(1)表示月份,季节,年,年代,世纪,如:in July在七月in summer在夏天in 2016 在2016年in the 1990s在20世纪90年代in the 21st century在21世纪in his twenties在他20多岁(2)后面跟一段时间,表示“…..之后”,指将来的时间,如:in a week 一周之后in a few months 几个月之后I’ll be back in a few minutes. 我几分钟后回来。
中考英语时间介词语法专题讲练(名师剖析必考语法知识点+专题实战训练,建议下载练习)介词是一种“媒介”词,是用来表示句子中某一个词或短语与另外一个词或短语之间的关系的词。
一、表“在……时”的时间介词用法示例in 表示较长时间,如世纪、朝代、时代、年、季节、月及一般(非特指)的早、中、晚等。
in the 20th century,in the 1950s, in 1989,in summer, in January,in the morning, in o ne’s thirtieson 表示具体某一天及对某一天的早、中、晚进行详细描述。
on May 1st, on Monday,on New Year’s Day,on a cold night,on Sunday afternoonat 表示某一具体时刻或钟点,有时也表示在某一节假日;若把一段时间看作某一时刻at 3:20, at Christmas,时间介词知识精讲二、常见时间介词辨析1. in和after2. since和for3. by和till/ until三点剖析一、考点:时间in\ on\ at介词的用法。
二、重难点:时间介词的辨析及用法。
时间介词是中考的考查重点。
时间介词的中考题主要以单项选择以及完形填空等题型来考查。
注意:during 表示事件发生在何时(when),意为“在……期间内”的行为或状态。
in 表示时间段,相当于during,但是注意在选择的时候一定要优先选择during。
例:They visited many cities during their stay in China.他们在中国期间,游览了许多城市。
题模精选题模一:表“在…时”的时间介词例1.1.1He often goes to school by bike _________ the morning.A.at B.in C.on D.for例1.1.2They started off _________ an autumn afternoon.A.at B.in C.on D.during例1.1.3用适当的时间介词填空。
必备英语【初中英语】介词知识点(大全)一、初中英语介词1.—Bill, did you see Tom?—Yes, he just parked his car here and then hurried the street.A. throughB. overC. pastD. across【答案】 D【解析】【分析】句意:—比尔, 你看见汤姆了吗?—是的,他刚刚把车停在这儿,然后匆忙穿过街道。
A. through穿过(从物体中间穿过);B. over越过(在物体上方,不接触);C. past经过(从旁边经过);D. across穿过(从物体表面横穿),穿过街道应该是从表面穿过,用across。
故选D。
【点评】考查介词辨析。
熟记这些介词的含义。
2.My brother joined the army ________ September last year.A. onB. byC. atD. in【答案】 D【解析】【分析】句意:我哥哥去年九月参军。
on后接具体的日期、星期和节日;by后接方式;at后接时间点、时刻;in后接某年某月;September,9月,因此前面用in,故选D。
【点评】此题考查介词。
注意表示年月动名词前用介词in。
3.—Is there ________ in today's morning news on CCTV-1?—Yes, France Team beat Korea Team by 4: 0 in the 8`h FIFA Women's World Cup in France ________ June 8, 2019.A. anything special; onB. something special; inC. special something; onD. anything special; in【答案】 A【解析】【分析】句意:——在央视一今日新闻里有特殊的事情吗?——是的。
英语介词知识点的归纳介词又叫前置词,一般放在名词的前面。
介词是一种虚词,一般不重读,不能在句中独立充当一个成分,它只是表示它后面的名词、代词或相当于名词的词、短语或从句与其它成分的关系。
下面小编给大家分享一些英语介词知识点,希望能够帮助大家,欢迎阅读!英语介词知识点1介词的分类介词可按其结构分为:1. 简单介词:简单介词是由一个单词构成的介词。
分为普通介词(如:at,by,for,in,over,to,up 等),合成介词(如:as for,onto,into,within,without,out of 等),和分词介词(如:concluding,regarding,concerning 等)三种。
2. 二重介词:二重介词是由两个简单介词重叠使用构成的。
如:from among,since before,until after,except in 等。
3. 短语介词:介词是由两个或者两个以上的词所组成的短语构成的。
一般说来,这个短语的最后一个词是简单介词。
如:according to,because of,instead of,in front of,with reference to 等。
介词还可按其词义分为下列几种:1. 表示地点。
如:about,across,after,among,around,behind,below,beside,beyond,down,from,into,off,over,throughout,towards,up,within,without 等。
2. 表示时间。
如:about,after,around,as,at,before,behind,between,by,during,for,from,in,into,of,on,over,past,since,through,till(until),to,towards,within 等。
3. 表示除去。
如:besides,but,except 等。
初中英语知识点归纳连词和介词总结初中英语知识点归纳:连词和介词总结在初中英语学习中,连词和介词是非常重要的语法知识点。
它们在句子中起到连接词句和短语的作用,使句子更加流畅和连贯。
本文将对初中英语知识点中的连词和介词进行总结和归纳。
一、连词(Conjunction)连词是连接词句和短语的词语,分为并列连词、从属连词和连词短语。
1.1 并列连词(Coordinating Conjunctions):并列连词用于连接两个平等的词句、短语或句子,常见的并列连词有:1)and(和):表示并列关系,连接同类词或句子。
例如:I like swimming and playing football.我喜欢游泳和踢足球。
2)but(但是):表示转折关系,连接相对立的内容。
例如:She is smart but lazy.她聪明但是懒惰。
3)or(或者):表示选择关系,连接两个或多个选项。
例如:Do you want tea or coffee?你想要茶还是咖啡?1.2 从属连词(Subordinating Conjunctions):从属连词用于连接主从句,引导从句表达因果、时间、条件、目的、方式等关系。
常见的从属连词有:1)because(因为):表示原因或原因结果。
例如:He failed the exam because he didn't study hard.他考试没及格,因为他没好好学习。
2)when(当):表示时间关系,引导时间状语从句。
例如:He called me when he arrived at home.他到家后给我打电话。
3)if(如果):表示条件关系,引导条件状语从句。
例如:If it rains, we will stay at home.如果下雨,我们会呆在家里。
1.3 连词短语(Conjunctive Phrases):连词短语是由两个或多个词组成的短语,起到连接上下文的作用。
高考英语介词知识点技巧及练习题含答案(3)一、选择题1.When a bird spots a hunter, _____ just flying away, it calls out in alarm and warns other birds. A.regardless of B.other than C.instead of D.rather than 2.Last year was the warmest year on record, with global temperature 0.68℃ ______ the average. A.below B.above C.about D.on3.When asked about their opinion about the schoolmaster ,many teachers would prefer to see him step aside __________ younger men.A.in terms of B.in need of C.in favor of D.in praise of4.________ its health benefits, dancing is a fun way to release positive energy and make society more pleasant.A.As a result of B.In view of C.In terms of D.In addition to 5._____ the wind and the rain, I still enjoy working outside in the world.A.ByB.ExceptC.ThroughD.Despite6.Summer is already approaching, but the garden’s construction is________completion. A.apart from B.regardless of C.on account of D.far from 7.Natural dyes are now returning to popularity artists and craftspeople.A.with B.through C.into D.for8.She got married ______ the boy who always played jokes ______ her.A.with; on B.to; on C.with; to D.to; with9.This poem describes the painful feelings of a man in love with someone who does not love him ______.A.in turn B.in returnC.for return D.for turn10.We teachers are encouraged to apply modern technology _______ classroom teaching. A.for B.to C.with D.on11.The band was ____________ big, but they had a following in the Northwest and in various college towns between here and Chicago.A.in exchange for B.by no meansC.in terms of heartbreak D.on behalf of12.Before you set out on a long journey, you'd better make sure that your car is ________. A.by order B.on orderC.out of order D.in order13.—What makes a good teacher?—A good teacher should be enthusiastic ______ his job and patient _____ his student. A.about; with B.in; of C.for; with D.about; for 14.Everyone makes mistakes, and ____________, he is only a child.A.after all B.above all C.at all D.in all15.As far as she could _______, there was nothing ______ low huts.A.turn out; besides B.make out; besidesC.turn out; but D.make out; but16.With the help of curriculum reform, students enjoy a variety of after-school activities, ______ up to half are aimed at strengthening their physical strength and building up their confidence. A.to which B.of whichC.from which D.in which17.She tapped me on _______ shoulder and teased me _______ my hair.A.the; about B.my; for C.the; on D.my; with 18.Now, I doubt if there’s anybody here who is indifferent betwe en the choices, indifferent_______the choice between these two lives.A.in favor of B.in honor ofC.in place of D.in regard to19.You have to change your wrong attitude personal health now.A.towards B.from C.with D.in20.They will finish the work ______ the help of his friends.A.with B.under C.of D.for21.The train had stopped _______ a mechanical problem and I just called to the engineer to repair it.A.thanks to B.due to C.according to D.as to22.You’d sound a lot more polite if you make a reques t ________ a question.A.in search of B.in the form of C.in defence of D.in the direction of 23.If you keep on, you’ll succeed _____. Wish you success in the exam.A.in time B.at one time C.for the same time D.sometimes 24.It’s the protection for the trees __________ really matters, ___________ how many trees are planted each year.A.what; other than B.which; or ratherC.that; rather than D.as; more than25.School was dismissed an hour earlier __________ the bad weather yesterday.A.on account of B.in case of C.in contrast of D.on the basis of 【参考答案】***试卷处理标记,请不要删除一、选择题1.C解析:C【解析】【分析】考查介词词组辨析。
高中英语知识点归纳介词短语的复合用法与考点介词短语是英语中常见的一种语法结构,它由一个介词和其后的宾语组成。
在英语学习的过程中,学生们需要掌握介词短语的基本用法和常见考点。
本文将对介词短语的复合用法和相关考点进行归纳总结,以帮助大家提高英语学习的效果。
一、复合介词短语的构成与用法复合介词短语由两个或更多的介词组合而成,用于表示更加具体、精确的关系。
以下是几种常见的复合介词短语及其用法:1. On behalf of 代表用法:用于表示代表某人或组织的意思,常用于正式场合或商务信函中。
示例:I am writing this letter on behalf of our company to express our sincere gratitude.2. In favor of 支持;有利于用法:表示支持或对某事有利,常用于讨论某个决定、观点或政策时。
示例:The results of the survey are strongly in favor of implementing the new policy.3. By means of 借助;通过用法:表示通过某种方法或手段来达成某事。
示例:We were able to solve the problem by means of careful analysis and teamwork.4. In addition to 除...之外;除了...用法:表示除了某个人或事物之外还有其他的人或事物。
示例:In addition to English, she can also speak French, Spanish, and German.5. With regard to 关于用法:用于引出讨论或叙述某个问题或主题。
示例:With regard to the recent controversy, the company issued a statement clarifying its position.以上是常见的一些复合介词短语,它们在表达意思时能够更加准确地描述语境和内容。
【英语】介词-知识点归纳与练习 一、初中英语介词 1.I stopped _____the night in a small village while I was on holiday in the Himalayas a few years ago. A. at B. for C. until D. through 【答案】 B 【解析】【分析】意思:很多年前当我在喜马拉雅山脉度假的时候,我在一个小村镇停留了一个晚上。 stop for the night停下来过夜,故答案为B. 【点评】考查介词辨析,掌握固定搭配。
2.The high-speed train Qingdao and Beijing travels faster now. The train ride takes only about three hours. A. from B. among C. in D. between 【答案】 D 【解析】【分析】句意:现在青岛和北京之间的高速列车跑得更快了。火车车程只有大约三个小时。from 从;among 在……中;in 在……里;between 在……之间;根据后面的and,可知是固定搭配,between…and…,在……和……之间,故选D。 【点评】此题考查介词辨析。根据句意和上下文的联系确定所使用的介词。
3.If the singer to Zigong September 20th, please call me. A. will get; on B. gets; on C. gets; in 【答案】 B 【解析】【分析】句意:如果这个歌手在9月20号来自贡的话,请给我打电话。本题考查动词时态及介词。if 引导的条件状语,时态要遵从主将从现,从句的主语是第三人称单数,谓语动词用第三人称单数;表示具体某一天用介词on,故选B。 【点评】此题考查一般现在时和介词用法。注意if引导的条件状语从句的时态。
4. , I found the job boring, but soon I got used to it. A. To start with B. First of all C. Without doubt D. After all 【答案】 A 【解析】【分析】句意:起初我觉得工作很无聊,但是我很快就适应了。A.起初,B.首先,C.毫无疑问,D.毕竟。根据后半句“不久以后才适应,前后句进行对比,说明刚开始是不适应的,句子缺少时间状语,用to start with符合题意,故答案选A。 【点评】考查短语辨析。注意识记to start with的词义和用法。
5.On sunny days, my grandma often reads a novel ____ the window. A. by B. for C. with D. from 【答案】 A 【解析】【分析】句意:我奶奶经常在窗子旁边看小说。by通过、被、在附近;for为、为了、对;with用、和……一起;from 来自,从……起,四者都是介词,根据句子结构可知此处是地点状语,by the window,在窗户旁边, 故选A。 【点评】此题考查介词辨析。根据句意确定句子中所使用的介词。
6.We communicate _____ each other in many ways, such as by e-mail or by phone. A. on B. through C. in D. with 【答案】 D 【解析】【分析】句意:我们用很多方法相互联系,比如通过电子邮件或者电话。communicate with,与某人联系,与某人保持联系,固定搭配,故答案是D。 【点评】考查介词辨析,注意识记固定搭配communicate with的用法。
7.Frank held his breath _____ the water to search for his ring in the swimming pool. A. at B. by C. over D. under 【答案】 D 【解析】【分析】句意:弗兰克在水下屏住呼吸,在游泳池中找他的戒指。A.在……,B.通过某种方式;C.高于;D.在……下,面。根据 Frank held his breath 和in the swimming,可知一定是在水下,应使用介词under,故答案是D。 【点评】考查介词辨析,注意结合语境思考问题并解决问题。
8.—I want to watch TV the whole day after the long journey. —You shouldn't watch TV too much. It's bad _________ your eyes. A. on B. in C. for D. with 【答案】 C 【解析】【分析】句意:——我想在长途旅行后整天看电视。——你不应该看太多电视。对你的眼睛有害。be bad for,对……有害,固定搭配,A 在……上面,B 在……里面,D 和……,表伴随,故选C。 【点评】考查固定搭配,注意平时识记,理解句意。
9.A marathon was held in Yancheng ____________21st April, which drew 12,000 runners. A. on B. in C. at D. by 【答案】 A 【解析】【分析】句意:一场马拉松在四月21日在4月21日举行的,他包括12,000个跑步者。on后接具体某一天,in后接上下午,晚上或年月,等;at后接具体几点钟;by在……之前;根据 21st April , 表示在4月21日,具体某一天,应该用介词on, 故选A。 【点评】本题考查介词辨析。要掌握介词的使用规则和使用方法。
10.He drove so fast at the turn that the car almost went ______the road. A. off B. on C. along D. behind 【答案】 A 【解析】【分析】句意: 他转弯时开得太快了,以至于汽车差点驶出马路上。go和如下选项搭配,分别表示,A驶出,B继续,C沿着,根据 drove so fast,可知与驾驶有关,故是驶出 , 故选A。 【点评】考查介词辨析,注意go off的用法。
11.—Which is your new English teacher? —The young lady red over there.( ) A. with B. in C. on D. for 【答案】 B 【解析】【分析】考查介词.句意"—你的新英语老师是谁?—那边那位穿红衣服的年轻女士.".A和..,表示伴随.B在…里.C在…上.D为了…in+颜色,表示穿什么颜色的衣服,选B.
12.—Reading is a good way to spend the time on the plane. —That's true.I never go travelling ________ a book. A. without B. from C. on D. about 【答案】 A 【解析】【分析】﹣阅读是在飞机上度过时间的好方法.
﹣是的.我从来不会不带书去旅行. A表示没有;B表示从;C表示在…上;D表示关于.由肯定回答"是的"可知此句是对上一句话表示赞同,所以表示我会带着书去旅行,即我不会不带书去旅行,选A.
13.—When is the Art Festival party? —It's seven o'clock the evening of November 18th. A. at;in B. at;on C. on;in D. in;on 【答案】 B 【解析】【分析】句意:艺术节晚会在什么时候?——它在11月18日晚上7点钟。at+具体的时间点,on+某天,或者跟具体某天的上午或下午,in +年份,季节,月份,或者泛指的上下午等。seven o'clock是时间点,故加介词at,the evening of November 18th.表示具体某天的上午或下午(晚上),故加介词on,故答案为B。 【点评】本题考查时间介词辨析,at+具体的时间点,on+某天,或者跟具体某天的上午或下午,in +年份,季节,月份,或者泛指的上下午等。
14.The People's Republic of China was founded ________ October 1st, 1949. We'll celebrate its 70th anniversary this year. A. in B. on C. at 【答案】 B 【解析】【分析】句意:中华人民共和国成立于1949年10月1日。今年我们要庆祝它70周年。A.in在,用在世纪、年、季节、月、周等前;B.on在,用于星期几和具体的日期等前;C.at在,用于表示时刻前。根据句子中 October 1st, 1949,表示具体的日期,要用介词on。 【点评】考查介词辨析。根据句子的语法结构选择正确的介词。
15.The program "I'm a Singer" is quite popular ______ students these days. They often talk about it between classes.
A. for B. with C. in 【答案】B 【解析】【分析】句意:这个节目我是歌手很受学生欢迎。他们经常在课间谈论它。be popular with在…中有声望/受好评,固定短语。根据句意语境,故选B。 【点评】考查介词辨析题。熟记此短语。
16.I have a new model car. I got it my dad. A. at B. of C. from D. by 【答案】 C 【解析】【分析】句意:我有一辆新车。我从我爸爸那里得到的。A: at 在;B: of ……的;C: from 自,从;D: by到……为止,用。get sth. from sb.,从某人那里得到某物,固定短语,故选C。 【点评】考查介词辨析。理解介词的词义和用法 ,根据固定短语选择正确的介词。
17.— What are you doing? —I'm looking the kids. They should be back for dinner now. A. after B. at C. for D. up 【答案】 C 【解析】【分析】句意:——你在做什么?——我正在找孩子们,他们现在应该回来吃晚饭了。look after 照顾;look at 看……;look for 寻找;look up 查找,一般指查词典。根据They should be back for dinner now可知,孩子们还没有回来,说话人在找他们。故选C。 【点评】此题考查短语辨析,注意其意思和用法。