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介词专题讲解【掌握要点】1.常用介词的主要用法（表示时间、地点、空间位置的介词的用法）2.介词的固定搭配3.常用几组介词的辨析一、定义：介词是一种用来表示词与词, 句与句之间关系的词。
是一种虚词。
在句中不能单独作句子成分。
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。
二、介词分类按结构介词可分为3类：1.简单介词(约有70个)，如：in，at，on，by，with，down，for，beside，along，across等。
2.分词介词(约15个)如：during，following，considering，according。
3.复合介词(约有500个)如：out of，look after, in front of,because of，按意义英语介词可分为4类：1. 时间介词，如：at, on, in, during, over, from, for, until等。
2. 地点介词, 如：at, on, in, across, to, over, between, inside, outside等。
3 运动介词：如：along ,across through4. 其它介词，如：by, with, about, except, instead of,等※(一)、表示时间的介词：1)in , on，at 在……时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。
如in the 20th century, in the 1950s, in 1989, in summer, in January, in the morning, in the night, in one’s life , in one’s thirties等。
on表示具体某一天及其某一天的早、中、晚。
如on May 1st, on Monday, on New Year’s Day, on a cold night in January, on a fine morning, on Sunday afternoon等。
第六讲介词、介词短语掌握介词的基本意义，轻松应考Ⅰ示之以范 ____________________________________________________原则这样运用1．(2017·全国卷Ⅰ)This trend, which was started by the medical community(医学界) ____________ a method of fighting heart disease, has had some unintended side effects such as overweight and heart disease—the very thing the medical community was trying to fight.as 解析：此处表示“作为一种与心脏病作斗争的方法”，故填as“作为”。
2．(2016·全国卷Ⅲ)Chopsticks are not used everywhere in Asia. In India, for example, most people traditionally eat ____________their hands.with 解析：with“用(工具)……”，符合句意。
3．(2016·四川卷)The mother continued to care for the young panda ____________ more than two years.for 解析：“for＋一段时间”作时间状语，表示“持续了一段时间”。
4．(2015·全国卷Ⅰ)Instead，I’d headed straight for Yangshuo.For those who fly to Guilin，it’s only an hour away ____________ car and offers all the scenery of the betterknown city.by 解析：乘坐交通工具常用by加可数名词的单数形式，by car“开车”。
介词介词是用于名词、名词词组或相当于名词词组的结构之前，表示词语之间意义关系的词类。
介词能和不同的词语搭配，表示不同的意义。
按照其结构，可大致将其划分为三类：简单介词、双重介词和短语介词。
介词和介词短语一起构成的短语在句子中可作表语、状语、定语、补语等。
而按照其在句子中的语义关系，可表示时间、原因、方式、让步、条件、对比、伴随、地点、目的等。
介词虽然是虚词，但仍然值得学习，英语之所以丰富、灵活，与其多变的介词使用不无关系，学生在专四备考的过程中，也应该注意到这一考点。
1. What a nice day! How about the three of us _____ a walk in the park nearby?A. to takeB. takeC. takingD. to be taken2. The Clarks haven’t decided yet which hotel______.A. to stayB. is to stayC. to stay atD. is for staying3. Which of the following prepositional phrases can function as an adverbial?A. Despite the rain, everyone enjoyed the trip.B. The man with a beard is talking to the manager.C. Every precaution was taken against the failure of the plan.D. Are you sur e of Simon’s disappearance?4. Which of the following italicized phrases indicates purpose?A. She said it for fun, but others took her seriously.B. For all its effort, the team didn’t win the match.C. Linda has worked for the firm for twenty years.D. He set out for Beijing yesterday.5. Which of the following prepositional phrases is an adverbial of concession?A. They used the box for keeping treasures.B. I stepped aside for her to get in first.C. For all that he seems to dislike me, I still like him.D. The parents bought a birthday cake for their son.6. Which of the following italicized phrases indicates CAUSE?A. Why don’t you do it for the sake of your friends?B. I wish I could write as well as you.C. For all his efforts, he didn’t get an A.D. Her eyes were red from excessive reading.7. _______, he is ready to accept suggestions from different sources.A. Instead of his contributionsB. For all his notable contributionsC. His making notable contributionsD. However his notable contributions8. The scenery here is _______ description. It’s very beautiful.A. underB. beyondC. withoutD. over9. He will leave for Europe _____ the Eve of Christmas.A. inB. onC.atD. with10. It is _____no use to reason with that rude person.A. forB. ofC. withD. by11. _______ his cold, his still attend the meeting.A. RegardlessB. HoweverC. Even althoughD. Despite12. _____ all probability nobody would have complained if Mary had not told the neighbors about it.A. ToB. InC. ForD. At13. The police let him go, because they didn’t find him guilty _______ the murder.A. ofB. inC. overD. on14. This question admits ______ several answers.A. forB. withC. ofD. to15. Please dispose ______ those old newspapers while you’re cleaning up the room.A. outB. ofC. awayD. in16. They had a pleasant chat _____ a cup of coffee.A. forB. withC. duringD. over17. The membership card entitled him ______ certain privileges in the club.A. onB. inC. atD. to18. I was very much put _____ by Mark’s rude behavior; it really annoyed me.A. overB. offC. upD. by19. Nowadays advertising costs are no longer in reasonable ____ to the total cost of the product.A. proportionB. correlationC. connectionD. correspondence20. The album might have ___ had it been less expensive.A. worked outB. fallen throughC. caught onD. fitted in21. Her suggestion is that you’d better make allowances____ the expense.A. ofB. forC. intoD. about22. When we entered the classroom, the little girl was still absorbed_____ her study.A. forB. onC. atD. in23. Due to efforts of conservationists, few people are ignorant _____ the problems of endangered species.A. aboutB. ofC. onD. with24. My sister likes eating very much but she isn’t ____ about the food she eats.A. specialB. peculiarC. particularD. unusual25. Like other residents, both Tom and Jerry pride themselves_____ their ability to know all the parts of this city.A. ofB. inC. onD. for26. Stressful environments lead to unhealthy behaviors such as poor eating habits, which _____ increase the risk of heart disease.A. by turnsB. in returnC. by chanceD. in turn27.Watching me pulling the calf awkwardly to the barn, the Irish milkmaid fought hard to ___ her laughter.A. hold backB. hold onC. hold outD. hold up28. Dr. Mary’s talk was generally received, but as for the statistics she____, I don’t think of all of them wereup-to-date.A. referred toB. related toC. adjusted toD. appealed to29. Many of the scientists and engineers are judged_____ how great their achievements are.A. in spite ofB. in ways ofC. in favor ofD. in terms of30. I am surprised that the film should appeal_____ people from all walks of life.A. toB. forC. withD. on31. We should divide all the potatoes____ two piles and separated the good ones _____ the bad ones.A. from; byB. into; fromC. into; intoD. from; into32. The young singer is quite popular _____ the public. She’s made a remarkable achievement____ a girl of herage.A. with; toB. to; for Ｃ．with; for D. for; to33. The weather this month has been good ________ .A. on the wholeB. generally speakingC. above allD. on one hand34. After finishing middle school, my sister did nothing____ at home.A. but to readB. but readC. besides readingD. except to read35. They held a ceremony ________ those killed in the battle.A. in honor ofB. instead ofC. in favor ofD. by means of36. Write your name and address on your bag ________ you lose it.A. in any caseB. in caseC. in no caseD. in that case37. He is running_____ the wind towards the east of the station_______ Tom running____ the right.A. down; and; onB. against; with; onC. for; with; inD. with; while; to38. What we expect from you is working hard______ hardly working.A. less thanB. rather thanC. as well asD. as much as39. Our club is open to everyone ______ age, sex or educational background.A. due toB. except forC. along withD. regardless of40. Check carrots, potatoes, onions and any other vegetables ______ and immediately use or throw away any whichshow signs of rotting.A. in demandB. in storeC. on loanD. on sale41. Tom always goes jogging in the morning and he usually does push-ups too to stay______.A. in placeB. in orderC. in shapeD. in fashion42. ______ the school, the village has a clinic, which was also built with government support.A. In reply toB. In addition toC. In charge ofD. In place of43. While staying in the village, James unselfishly shared whatever he had with the village without asking foranything______.A. in returnB. in commonC. in turnD. in place44. It is unbelievable that Mr. Lucas leads a simple life ______ his great wealth.A. withoutB. despiteC. inD. to45. Mrs. Smith finds it hard to clear up the mess, as her children are always____ whenever she tries toA. in the wayB. on watchC. in sightD. on the line46. An artist who was recently traveling on a ferry to the southern island discovered_____ a long lost antique Greekvase.A. at randomB. by chanceC. in turnD. on occasion47. I am always delighted when I receive an email from you. ______ the party on July 1st shall be pleased to attend.A. On account ofB. In response toC. In view ofD. With regard to48. — I'm looking for a nearby place for my holiday. Do you have any good idea?— How about the Moon Lake? It is ______ easy reach of the city.A. byB. beyondC. withinD. from49. When will Britain ___ Japan in industrial production?A. catch up withB. catch up onC. catch up inD. catch up to50. It will be a great help if you go to the store and get what we need for dinner. ______, I will set the table.A. As a resultB. On the wholeC. In the meanwhileD. As a matter of fact。
