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定语从句例句及练习题

时间:2021-07-06 10:09:07 英语 我要投稿

定语从句例句及练习题

  由as, which 引导的非限定性定语从句,as和which可代整个主句,相当于and this或and that.As一般放在句首,which在句中。例如:

  As we know, smoking is harmful to ones health. 如我们所知,吸烟有害健康。

  The sun heats the earth, which is very important to us. 太阳使地球暖起来,这对我们人类很重要。

  典型例题

  1)Alice received an invitation from her boss, ___came as a surprise.

  A. it B. that C. which D. he

  答案C. 此为非限定性从句,不能用 that修饰,而用which.,it 和he 都使后句成为句子,两个独立的.句子不能单以逗号连接。况且选he句意不通。

  2)The weather turned out to be very good, ___ was more than we could expect.

  A. what B. which C. that D. it

  答案B.which可代替句子,用于非限定性定语从句,而what不可。That 不能用于非限定性定语从句,it不为连词,使由逗号连接的两个句子并在一起在英语语法上行不通。

  3)It rained hard yesterday, ____ prevented me from going to the park

  A. that B. which C. as D. it

  答案B. as 和which在引导非限制性定语从句时,这两个关系代词都指主句所表达的整个意思,且在定语从句中都可以作主语和宾语。但不同之处主要有两点:

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