{01} ________ some students are not aware of is ________ difficult life can be if they are not devoted to study.
A.That; how
B.Which; what
C.What; what
D.What; how
解析:D 句意:一些学生没有意识到的是如果他们不专心学习,生活可能会是多么的难。“________some students are not aware of”为主语从句,该从句缺少宾语,表示“事物”且语境中并无选择含义,故用what引导;“________difficult life can be”为表语从句,其中life为主语,设空处后为形容词,故用how引导。本题易误选C项,考生误以为第二空后的difficult life为名词,故用what引导,但是如果那样的话“________difficult life can be”便没了主语,也就不能成为一个从句,第二空如果填what,应改为:what difficult life it can be。 本题选D。
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