成人英语三级《词汇与语法》模拟考试巩固练习(27)

2014-10-07 16:23:00来源:网络

  1.___ is known to all, too much smoking will cause lung cancer.

  A. That B. It C. As D. What

  【答案】C 固定用法as is known to all:众所周知。本句的意思是:“众所周知,吸烟过多会引起肺癌。B 用于it is known to all that…句型。

  2.The investigation, ___ will soon be published, was made by John.

  A. at which the results B. the results on which

  C. whose results D. at whose results

  【答案】C 此句考查非限制性定语从句。C选项正确,whose在从句中作定语;whose results=the results of which =the results of the investigation,定语从句修饰investigation;B选项中的on改成of就对了。

  3. ______ is well-known, the environment in China is badly in need of improvement.

  A. It B. That C. As D. What

  【答案】C此题考查的是as 引导的特殊定语从句。As is well known/ as is known to all/ as we all know:众所周知。

  4. They overcame all the difficulties and fulfilled the plan ten days ahead of schedule, ____ was something we had not expected.

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

  【答案】D 逗号后为非限制性定语从句,只能由which 或者who 引导,不能用 that。

  5. ____ is well known, light, like heat, is a form of energy.

  A. It B. What C. Just as D. As

  【答案】D句意为:“如我们所知,光跟热能一样是一种能量的形式。”as is well known 为非限定性定语从句,修饰整个主句,意为“如我们所知”;as 代表整个主句“光跟热能一样是一种能量的形式。”


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