{01}(2010·上海)Wind power is an ancient source of energy ________ we may return in the near future.
A.on which
B.by which
C.to which
D.from which
解析:考查“介词+which”引导的定语从句。表示“重新回到……上”要用return to。which替代的是先行词“an ancient source of energy”。句意:风能是一种古老的能源,在不久的将来我们可能要重新利用这种能源。 本题选C。 {02}I have no doubt in my mind_____ they will be happy to accept the job.
A.if
B.whether
C.that
D.what
解析: 试题分析:句意:我毫不怀疑他们会很乐意的接受这个工作,因为是毫不怀疑,就是肯定,所以用that连接同位语从句,说明doubt的内容,如果是I have doubt..就应该用whether连接同位语从句,所以选C。 本题选C。
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