is hard is to do well all one's life and never do anything bad. [ ] A.He B.It C.
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![is hard is to do well all one's life and never do anything bad. [ ] A.He B.It C.](/pic/43_927671.jpg)
________ is hard is to do well all one's life and never do anything bad.
[]A.He
B.It
C.That
D.What
试题答案
答案:D
解析:句首的What is hard是主语从句,注意What is hard后的谓语动词is,假若没有后面的is,则应选B,即说成:It is hard to do well all one's life and never do anything bad.C项作连接词时在句中没有意义。A项在句中不合的原因是hard不是he本身的特征。故答案为D。 it常作形式主语或宾语,其本身没有意义。that常引导主语从句、表语从句和宾语从句,在句子中不充当成分,也没有实际意义,引导宾语从句时可以省略。what可以引导名词从句,也可以在句中充当句子成分,不可以省略。遇到长句、复合句,就要设法分析句子结构,先找出句子的主干,如主语、谓语再去细看其他成分的作用。建议用“剥笋式”方式去层层分析。 |