2. 外语
  3. It is extremely important for an engineer to know to use a computer.

It is extremely important for an engineer to know to use a computer.

admin2014-08-25  42
问题 It is extremely important for an engineer to know to use a computer.
选项 A、It is
B、extremely
C、for
D、to know to use a
答案D
解析 应改为to know how to use。动词不定式前常跟一些疑问副词(how)和疑问代词(what，which，who)构成动词不定式的疑问式。本句的意思是：“对一名工程师来说，懂得如何使用电脑是极为重要的。”
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