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prep

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prep
解题思路: 如下
解题过程:
常用介词辩析
1 in ; to ; on 都可用于表示方位,但
 in 表示在某一范围内:(位置) in the classroom: in my bag
 to 表示在某一范围外:(方向): go to Beijing go to the air port
 on表示”比邻”“靠近” Jilin lies in the north of Liaoning.
2 by, with ,in, on/over 均可表示用. . .  但
 by 表示方法、手段、 交通工具 Jim goes to school by bus every day.
 with 表示用具体的工具 Does the foreign student eat with chopsticks?
 in 表示用语言、材料、文字等 Lin-Lin can write a letter in English.
 on/over 表示使用通讯手段 Ben learnt the Chinese song on /over the radio.
3 besides, except, but 表示除了. . .
 besides: 表示除了的事物包含于整体内
  All the others went to the cinema besides me. 除了我,所有其他同学也去看电影了。(包含我)
 except: 表除了的事物不包含于整体内
  All the students finished the homework except me. 除了我,所有的学生都完成了作业。(我没完成)
 but: 使用but时,前面一定有否定词
  There is nothing in the room but a desk. 除了一张桌子,房间里什么也没有。
4.across 与 through
 across 表示跨过,跃过,横跨(路,河,桥)
  Be careful when you run across the street.
 Through 表示从中间穿过(门,空气,水,房间等)
  We walked through the forest.
5 in,after, 表示”……以后”
 in后通常加一段时间(常用于过去时或将来时)
  Father will be back in two weeks.
 After通常跟时间点(常用于过去时或将来时)
  She will leave for Beijing after five o’clock.
6 above,over on
 On表示两者接触,反意词 under
  There is a book on the desk. ( 接触 )
 Over表示两者不接触但有(垂直关系) ,反意词为 under
  There is a bridge over the river.
 Above 二者无接触,无垂直关系,反意词为 below
  The plane flew above us.
7. by; beside 都表示靠近,但 beside 比 by的位置更确定
 He is standing beside our teacher.
 There is a hotel by the river.
8.in the end ,at the end of , by the end
 in the end “最后”= at last 后面不接任何词
 All the soldiers were dead in the end.
 at the end of “在……的结尾”,常用于过去时和将来时
  He will come back at the end of July.
 by the end of “直到……结束”,常用于过去完成时
  He had finished it by the end of May.
9 .in front, in front of , in the front of
 in front 在前面,后面不加任何词
  She is in front .他在前面。
 in front of 在一个整体外部的前面
  There is a tree in front of the room.
 in the front of 在一个整体内部的前面
  There is a big desk in the front of the classroom.
10. be made of、be made from、be made in、be made for
 be made of 由……制成,从表面可看出材料
  The desks and chairs are made of wood.
 be made from 由……制成,从表面看不出材料
  What is it made from?
 be made in 在哪制成,后面接地点
  It is made in China.
 be made for 为……制成,后面接人
  This suit is made for you.
最终答案:略