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1、介词,preposition,1.介词（preposition）是用于名词、代词或相当于名词的结构之前，表示词语之间意义关系的词，介词又称前置词，它是一种虚词，不能在句中单独承担成分。2.按照词义，介词可分为表地点、表时间、表除去、表比较、表反对、表原因、表目的、表结果、表手段、表方式、表所属等。3.要求掌握的介词主要是 in、on、at、to、from、by、with、for、about、after、before 等十几个。,介词简介,1.在树上 in the tree/在同一个班 in the same class/在北京 in Beijing2.在世界上 in the world/在河里
2、 in the river/在城市 in a city3.在阳光下 in the sun/在北方 in the north/in China 在中国4.在第五中学 in No.5 Middle School5.在的前部 in the front of 在前面 in front of 6.在中间/（内部）角落 in the middle/corner of7.固定用法：住院 in hospital/在露天 in the open air/躺着看书read in bed8.站成行 stand in line/处于危险中 in danger/处于麻烦中 in trouble/惊奇地 in surpr
3、ise9.用英语 in English/穿红色的 in red/以方式 in way of表示大地方，表示空间、地域或者物体内部应用in，或表示在范围之内。,方位介词,in,on,under,Where is Tom?,1.在的尽头 at the end of/在大门口 at the gate/在第二个十字路口 at the second crossing2.在公共汽车站 at the bus stop/在校读书 at school/在家 at home3.在医院诊所 at the doctors/在头部/脚下 at the head/foot of4.at the station/airpo
4、rt/zoo/post office5.at the front door/at the cinema/supermarket/meeting/party/the crossroad6.固定用法：stay at home/at work/at table 在吃饭表示较小的地方，表示空间的某一点，出入口等，选at,方位介词,1.在墙上 on the wall/在的另一边 on the other side of/在左边/右边 on the left/right2.在左/有手边on the left/right hand side/在火车上 on the train3.在电视/收音机/电话/网上
5、on TV/the radio/the telephone/the Internet4.固定用法：访问 on a visit to/展览 on show5.在去的路上 on the way to 6.on my head/nose 表示附着在表面上，覆盖等，表示接触的面上、边上、线上，用on。比较：a hole in the floor/wall There are many apples on the tree.There are many birds in the tree.,方位介词,Lucy,Lily,Mary,Sunny,Kitty,between,next to,Tommy,in
6、front of,behind,几组表示位置关系的介词比较 D典型例题：1.Japan is in the east of Asia.2.Japan is to the east of China.3.Korea is on the northeast of China.巩固练习：1.B is in the east of A.2.D is to the east of A.3.C is on the east of A.,C,B,A,D,north,east,south,west,0ff,fall/jump off the tree,in the tree,on the tree,on,ab
7、ove,over,below,under,beneath,3,above,on 和 over 都有“在之上”的意思，on表示接触早表面上，如a book on the desk;above 和 over 表示“位于某物上方”或“高于”，不接触表面。Over指在垂直的上方，而above通常指不垂直的上方。,5.across&through,through,across,across(从表面穿过)/through（从内部穿过）,1.Taiwan is one of the provinces of China and it is _of China.A.in the northeast B.in
8、the southeast C.to the east D.to the south2.China lies_the east of Asia and _the north of Australia.A.to;to B.in;to C.to;in D.in;on,方位介词,B,B,3.Before 1990 there was no airline_the two cities.A.along B.in C.between D.among 4.The food _my country is quite different _that here.A.in;like B.to;from C.fro
9、m;to D.in;from5.Theres a map_the world _ the wall.,C,D,6.There are many apples_the tree.A bird _the tree is picking an apple.A.in;on B.on;in C.in;at D.to;of 7.The Young Pioneers walked _the gates with Uncle Wang.A.through B.across C.over D.after,B,A,8.When the bell rang for class,all the students we
10、nt_the classroom.Our teacher came _his office and threw his book _ the teachers desk angrily.A.in;out of;on B.into;from;on C.into;from;onto D.in;out of;onto9.She has several friends here but she talks little _them.A.between B.among C.on D.during,C,B,1.at(在小地方)/in（在大地方）/on（在表面之上）,总结方位介词,2.between and(两者)among(三者以上),3.in（范围内）/to（范围外）/on（相邻）,4.above（之上，高于）/over（垂直上方）/on 在上面,5.by就在旁边/beside 近旁紧靠=next to/near 附近,6.across(从表面穿过)/through（从内部穿过）,7.in/into(强调运动变化)on/onto（表示位置改变）,Goodbye Class!,
