9.     the course very difficult,she decided to move to a lower level.( 。
A.FindB.FindingC.To findD.Found

分析 句意為:她發(fā)現(xiàn)這門課程非常難,決定轉(zhuǎn)學(xué)一門較低水平的(課程).

解答 答案:B  本題使用排除法. 根據(jù)句子結(jié)構(gòu)可知,the course very difficult在句中作原因狀語(yǔ)(非謂語(yǔ)),因此排除A選項(xiàng);find的邏輯主語(yǔ)是she,并且存在主動(dòng)關(guān)系,因此排除D選項(xiàng);C選項(xiàng)表示目的,根據(jù)句意可以排除;she與find之間是邏輯上的主動(dòng)關(guān)系,故用現(xiàn)在分詞短語(yǔ)作狀語(yǔ).所以本題選擇B.

點(diǎn)評(píng) 非謂語(yǔ)動(dòng)詞的判定方法:考慮句中謂語(yǔ)動(dòng)詞以及其它詞語(yǔ)同非謂語(yǔ)動(dòng)詞的關(guān)系和對(duì)非謂語(yǔ)動(dòng)詞形式的限制,以便選用正確的非謂語(yǔ)動(dòng)詞形式.

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