【題目】Today APEC is playing a more important role in the world stage，______ purpose is to promote economic cooperation in the Asia-Pacific area．

A. where B. whose C. when D. Which

【答案】B

【解析】試題分析：考察非限制性定語從句引導(dǎo)詞。whose 是定語從句中一個常用的關(guān)系代詞， 它是關(guān)系代詞who的所有格，在從句中作定語，也就是說當先行詞與從句中某個名詞有所屬關(guān)系，表達“……的”意思。該句意思為：如今，亞太經(jīng)合在世界舞臺上正起著更加重要的作用，它的目的在于促進亞洲-太平洋地區(qū)的區(qū)域經(jīng)濟合作。故選B

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