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精英家教網 > 高中英語 > 題目詳情
Do you have any idea      it takes to successfully reach the top of Mount Everest?
A．whetherB．how C．which D．what
D

試題分析：考查同位語從句的連接詞。本題的同位語從句what it takes to successfully reach the top of Mount Everest作為名詞idea的同位語。該從句中的take后面缺少賓語，故使用連接代詞what。Whether屬于連接詞，在句中不充當任何成分。How屬于連接副詞，在句中做狀語。Which指特定范圍之內的某一個。故D正確。
點評：在名詞性從句中Whether屬于連接詞，在句中不充當任何成分。How屬于連接副詞，在句中做狀語。Which指特定范圍之內的某一個。What是連接代詞可以在句中知道主語，賓語，表語等。
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