1、in on at 后加时间的讲解in,on,at加时间时候的区别。in加年，月，季节等大时间。如，in 1981.on加具体某一天，具体某一天的上午中午下午晚上。有形容词修饰的上午中午下午晚上。at加具体时刻。如at 8;30.固定搭配；in the morning、in the afternoon、in the evening、at night.选择in, on, at._Monday _ the mornong._Monday morning _a cold morning._the morning of Monday _a cold night _night _7:00._Shangha
2、i _the schoolgate _duty.in ,at, on,接时间的区别：in加大时间，如年月，季节，如：in spring在春天，at 加具体时刻如：at 8：30on加具体某一天，具体某一天的上午，中午，下午，晚上。或有形容词修饰的上午，中午，下午，晚上。如：on a cold morning.在一个寒冷的早上。（2）in ,on ,at 的一些固定用法，in the morning 在早上，in the afternoon 在下午in the evening 在晚上in twoi days 在两天之内，或在两天之后，at night在深夜at noon在中午（3）for加上一段
3、时间for two days。做题：选择in ,on ,at._the morning _Monday morning_a hot morning _Wednesday_1999 _summer/s_ night _a warm nightIll come back_ two minutes.He has been in Jinan _ seven years.初中英语语法介词强化练习题1. Some areas, _ their severe weather conditions, are hardly populated. A but for B in spite of C due to
4、D with regard to2. Visitors are asked to comply _ the regulations.A at B in C with D on3. He _ so much work that he couldnt really do it efficiently.A put on B took on C brought on D turned on4. In order to save time, I _ my shopping to once a week.A cut off B cut out C cut up D cut down5. The idea
5、has _ that science cannot be wrong.A piled up B picked up C grown up D put up6. He did everything he could to prevent if from _ into fighting.A breaking off B breaking up C breaking out D breaking of7. The construction of the new building will cost _ 1,000,000 dollars, and its not easy toget so much
6、 money.A at last B at most C at least D at large8. Nobody noticed the thief slip into the house because the light happened to _.A. be put up B. give in C. be turned on D. go out9. Every morning she would give him breakfast_ bed and bring him the papers to read.A. to B. at C. in D. by10. Your perform
7、ance in the driving test didnt teach the required standard, _, you failed.A. in the end B. after all C. in other words D. at the same time11. Why dont they build a new road that goes_ the town?A. to B. through C. over D. round12. _ production up by 60%, the company has had another excellent year.A.
8、As B. For C. With D. Through13. _ this book and tell me what you think of it.A. Look through B. Look on C. Look into D. Look up14. The doctor will be free _.A. 10 minutes later B. after 10 minutesC. in 10 minutes D. 10 minutes after15. Did you have trouble _ the post office?A. to have found B. with
9、findingC. to find D. in finding16. If you keep on, youll succeed_.A. in time B. at one time C. at the same time D. on time17. We offered him out congratulations_ his passing the college entrance exams.A. at B. on C. for D. of18. -How long has this bookshop been in business?A. After B. In C. From D.
10、Since19. The train leaves at 6:oo pm. So I have to be at the station_5:40 pm at the latest.A. until B. after C. by D. around20. Does John know any other foreign language _ French?A. except B. but C. besides D. beside答案与解析（部分）1-7（略）8. 答案是D。A和B与句意完全不符，put up 意为 “举起”，give in 意为 “让步”。C项意为“开灯”，与该句意思相反。D项
11、意为 stop burning or shining, 正适合句意。9. 答案是C。本题考查bed 一词与什么介词搭配。“在床上”应上in bed。10. 答案是C。本题考查对几个介词短语的辨析。A项意为 最后，B项意为 毕竟，D项意为 同时，这三项均不符合句意。C项意为 换言之正合题意。11. 答案是D. 本题考查对这几个介词的辨析。A和C明显不符合题意。through通常是指通过某个空间，如go through a tunnel （通过隧道），因此C项也不合题意 。12. 答案是C. with 可表示原因，意为“因”、“由于”。13. 答案是A. Look on 意为“旁观”，look i
12、nto 意为“调查”，look up 意为 “抬头看”，这几个选项均不符合题意。14. 答案是C。本题考查对表示时间的介词短语的掌握。in 与一段时间连用表示“.之内”或“之后”。 after与一段时间连用通常用于过去时。15. 答案是D 如果能掌握have trouble in doing something 这一句型，就知道答案了。16. 答案是A. 本题考查对介词短语的辨析能力。in time 除了意为“及时”外，还可为“迟早”、“总有一天”，相当于sooner or later/someday.17. 答案是B. 本题考查对介词与名词搭配的掌握。表示“向某人祝贺谋事”、常用的句型是offer somebody congratulations on something or doing something。18. 答案是D。问句使用现在完成时，只有since 才能与之搭配。19. 答案是C.20. 答案是C. 本题考查对习惯用语的掌握，help oneself to 是固定搭配。5
