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关于一道英语选择题.( ) we watch and learn from the people around us h

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关于一道英语选择题.
( ) we watch and learn from the people around us helps us to figure out how the world works A.Which B.That C.How .What 答案选D 理由 watch和learn缺少主语,用主语从句. 那we是干什么的咧.
关于一道英语选择题.( ) we watch and learn from the people around us h
答案是对的,但理由不对.不是watch和learn缺少主语,watch和learn有主语,就是we.
但是we不是主句的主语,而是定语从句的主语.
What (we watch and learn from the people around us) helps us to figure out (how the world works).
we watch and learn from the people around us是定语从句,修饰代词what.what相当于the things that.二楼说这里省略了关系代词that,这种说法是不对的.当what作先行词时,定语从句根本就不能用关系代词.因为它的关系代词和先行词在这里合为一体了.又如:
I like what she likes.I hate what she hates.(我喜欢她所喜欢的.我讨厌她所讨厌的.)she likes/hates是定语从句,修饰what.what she likes整体上作like的宾语,what she hates整体上作hates的宾语.
What he said yesterday is still a secret.(他昨天说了什么仍是个谜.)he said yesterday是定语从句,修饰what.What he said yesterday整体上作主句的主语.
What we watch and learn from the people around us整体上作主句的主语.由上面的分析可知,what是这个短语的中心词,所以这个短语是个名词性短语.
全句的主干是:What ...helps us.
只有what能把定语从句的先行词和关系代词合为一体.A项和B项都只能作关系代词,如果选A或B,则定语从句没有其所修饰的先行词.就像有服务员却没有服务的对象.
C项不用于引导定语从句.
顺便说一下,how the world works是宾语从句.