The question_______ you should take this medicine should be decided by your family doctor.
A．whyB．whetherC．ifD．that
B

試題分析：看從同位語從句。本題的同位語從句whether you should take this medicine解釋名詞the question的內(nèi)容，因為名詞是question是表示疑問的意思，使用同位語從句用whether來引導(dǎo)。句意：你是否該服用這種藥這個問題應(yīng)該由你的家庭醫(yī)生來決定。故B正確。
點評：當(dāng)同位語從句表示的是陳述句的使用使用that引導(dǎo)，當(dāng)同位語從句表示疑問的意思，就使用相關(guān)的表示疑問意思的引導(dǎo)詞來連接，如whether, who, where等。
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