3．We shouldn't spent our money testing so many people，most of _____are healthy．（　　）
A．thatB．whichC．whatD．whom

分析 我們不應(yīng)該花錢檢查這么多人，大多數(shù)人都很健康．

解答 答案：D
句中most of_____are healthy修飾名詞people，是一個(gè)非限制性定語從句；關(guān)系詞指代先行people，且在從句中作介詞of的賓語，要用whom來引導(dǎo)．故選D．

點(diǎn)評 定語從句是用來修飾名詞的形容詞性從句，相當(dāng)于一個(gè)形容詞．連接定語從句的引導(dǎo)詞分為關(guān)系代詞和關(guān)系副詞，關(guān)系代詞在從句中要作主語或賓語；關(guān)系副詞在從句中作狀語．這也是選擇關(guān)系詞的一個(gè)判斷方法．

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