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1、 时间介词(at, in ,on) 的用法与练习【时间介词记法口诀】:at用在时刻前，亦与正午、午夜连，黎明、终止和开端，at与之紧接着相伴。周月季年长时间，in须放在其前面，泛指一晌和傍晚，也要放在in后边。on指特定某一天，日期、星期和节日前某天上下和夜晚，依然要在on后站。今明昨天前后天，上下这那每之前，at、in、on都不用，此乃习惯记心间。1.at后常接几点几分，天明，中午，日出，日落，开始等。如：atfiveoclock（五点），atdown（黎明），atdaybreak（天亮），atsunrise（日出），atnoon（中午），atsunset（日落），atmidnight（半夜
2、），atthebeginningofthemonth（月初），atthattime（那时），atthatmoment（那会儿），atthistimeofday（在一天的这个时候）。2.in后常接年，月，日期，上午，下午，晚上，白天，季节，世纪等。如：in2006（2006年），inMay，2004（2004年五月），inthemorning（早晨/上午），intheafternoon（下午），intheevening（晚上），inthenight（夜晚），inthedaytime（白天），inthe21stcentury（21世纪），inthreedays（weeks/month）三天（周/个
3、月）1. at+night/noon/dawn/daybreak/点钟（所指的时间小于天）： at night( ) at noon( ) at down( ) at daybreak( ) at7:30( ) at 7oclock ( ) 2. in+年/月/季节/泛指某一天的上morning，下afternoon，晚evening（所指时间大于天）： in 2004（ ） in March（ ） in spring（ ） in the morning（ ） in the evening （ ） in the afternoon（ ）扩展：在一段时间之后。一般情况下，用于将来时，意为“在以后
4、”。如： He will come in two hours. 3. on+星期/日期/节日/特指某一天的上，下，晚（所指时间是天）： on Sunday（ ） on May 4th( ) on Sunday morning( ) on Christmas Day( )/on Teachers Day( ) on the morning of Sunday( ) on a cold winter morning( ) 扩展：准时，按时。如： on time 按时，in time 准时 练 习一、用介词in on at填空_1999 _9:45 _the evening _Monday even
5、ing _June _the afternoon_noon _night _Childrens Day _TeachersDay _8 oclock _Summer_May _May,1999 _May15th,1999 二、单选( ) 1. Children get gifts _ Christmas(圣诞节) and _ their birthdays. A. on; on B. at; on C. in; in D. in; on ( ) 2.-There is nothing _tomorrow afternoon, is there? -No. We can have a game
6、of table tennis. A. on B. in C. out D. up ( ) 3. A lot of students in our school were born_March, 1981. A. in B. at C. on D. since ( ) 4. He suddenly returned_ a rainy night. A. on B. at C. in D. during ( ) 5. My grandfather was born_Oct. 10, 1935. A. on B. in C. at D. of ( ) 6. The train is startin
7、g_five minutes. A. in B. at C. for D.still ( ) 7. Mike does his exercises _ seven _ the evening. A. on; to B. at; in C. by; of D. at; on ( ) 8. Children wake up very early_the morning of Christmas Day. A. in B. on C. for D. at ( ) 9 _ a cold winter morning, I met her in the stfeet. A. In B. On C. At
8、 D. For ( ) 10 It happened to be very cold_ the morning of our sports meeting. A. at B. on C. with D. of( ) 11. Why did you get up so early _ this morning. A. on B. / C. at D. in ( ) 12. He went to Shanghai_ September 3, 1991 and came back_ a cold morning last year. A. in; on B. on; in C. on; on D.
9、in; ia ( ) 13. Lucy was born_ the night of May 12, 1984. . . A. on B. in C. at D. to ( ) 14. Mrs Brown came to China _ 1996. A.on B. of C. to, D. in ( ) 15 _ the morning of November 20, 1915, the workers came to Chicago to show their mourning of Joe Hill. A. On B. In C. On D. At ( ) 16. Ann moved_Ha
10、ngzhou_September, 1992. A. /; in B. to; in C. to; on D, in; in ( ) 17. They started off_an autumn afternoon. A. during B. at C. in D. on ( ) 18. He often goes _ school _ six thirty _ the morning. A. for; to; in B. to; at; in C. to; for; at D, for; at; to( ) 19. He arrived _ Shanghai _ 9: 30 _ March
11、5. A. at; in; at B. to; on; at C. in; on; at D. in; at; on ( ) 20.The English teacher told me to get there_ half past ten. A: in B. at C. on D. of 基数词与序数词专项练习一、知识归纳基数词变序数词的规律：口诀：基变序，有规律，结尾加上th。一、二、三、特殊记，词尾字母t,d,d. (如：first, second, third)。八减t,九去e,（如：eighth, ninth）, f 来把ve替。（如：twelfth）.单词ty作结尾，ty变成ti
12、e(如：twentieth).若是碰到几十几，只变个位就可以。（如：twenty-first）1-100的序数词：1st-first；2nd-second；3rd-third；4th-fourth；5th-fifth；6th-sixth；7th-seventh；8th-eighth；9th-ninth；10th-tenth；11th-eleventh；12th-twelfth；20th-twentieth；21st-twenty-first；22nd-twenty-second；29th-twenty-ninth；30th-thirtieth；31st-thirty-first；40th-fo
13、rtieth；50th-fiftieth；60th-sixtieth；70th-seventieth；80th-eightieth；90th-ninetieth；100th-hundredth二、巩固练习：写出下列词的序数词形式。1. one 2.two 3. six 4.five 5. nine 6.twelve7.eight 8.twenty-one 写出下列单词的基数词形式。1.third 2.fourth 3.tenth 4.twentieth 5.nineteenth6.thirty-first _根据句子意思填空。1. Childrens Day（儿童节） is on the of
14、 June（六月）.2. There are months（月）in a year(年).3. Teachers Day(教师节) is on the of September（九月）.4. Three plus(加) six is .选择填空。( )1. My cousins birthday in on the of October. A. three B. first C. the second( )2. What date is it today? Its of April. A. twelfth B. the 12th C. 12th( )3. There are days in a week. A. the seven B. seventh C. the seventh D. seven( )4.Sunday is the day of a week. A. one B. first C. second( )5. Twenty-eight minus(减)six is . A. the twenty- second B. twenty-two C. twenty- second( )6. Four plus(加) is twelve. A. seven B. eight C. Nine3