题目内容

5.________ we'll succeed depends on ________ we have enough courage.(  )
A.Whether; whetherB.if; if
C.Whether; ifD.If; whether

分析 我们能否成功取决于我们是否有足够的勇气.

解答 答案是A,考查名词性从句.whether 与if在引导主语从句、表语从句、同位语从句时一般用whether不用if,分析句子可知we'll succeed 是主语从句; we have enough courage是宾语从句,而且是做介词on的宾语,从句作介词宾语时只用whether不用if.所以答案选A.

点评 名词性从句一直是高考考查的热点,近几年的高考题主要考察在具体语境中对what和that的辨析,此外,也要求学生对定语从句和名词性从句有清晰的辨认. 首先我们要判断它是哪个名词性从句.名词性从句是主句的一部分,可以充当主语、宾语、表语、同位语.就是说,如果我们能判断出某个从句是某个主句的主语、宾语、表语或同位语,

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