The so-called Asia—Pacific century will make no sense_____ China develops．
A．unlessB．whenC．ifD．as
A

試題分析：句意：除非中國發(fā)展，否則所謂的亞洲“百年和平”將沒有任何意義。Unless除非；when當……時候；if如果；as作為，選A。
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