1．From the teacher's _________ look，we could see that he hadn't expected that we could raise such a _______ question to him．（　�。�
A．confused； confusedB．confusing； confused
C．confusing； confusingD．confused； confusing

分析 從老師臉上困惑的表情我們看出，他沒有預(yù)料到我們會向他提出這樣的令人困惑的問題．

解答 答案是D．本題考查分詞的用法．題干中主要考查confused 和confusing的區(qū)別：說明"（人）感到困惑的狀態(tài)"用過去分詞，說明"（物） 令人困惑的特性"用現(xiàn)在分詞；所以第一空中用confused 表示"感到困惑的表情"，第二空用confusing表示"令人困惑的問題"，所以答案選擇D．

點(diǎn)評 首先判斷選項中的動詞在句中是以謂語還是非謂語形式出現(xiàn)，然后根據(jù)選項在句中的功能結(jié)合非謂語的基本用法做出合理的判斷．

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