____ volcanoes now for many years, I am still amazed at their beauty as well as their potential to cause great damage.

A.Studied           B.To study           C.Having studied      D.Studying

 

【答案】

C

【解析】

試題分析:句意:已經(jīng)研究火山爆發(fā)這多年了,我仍然驚奇它們的美麗和它們引起大的威力的潛力。因為整個句子已經(jīng)有謂語動詞,所以空格處應(yīng)該用非謂語動詞,因為for many years說明study的動作先于謂語動詞的動作發(fā)生,故用完成時,故選C。

考點:考查非謂語動詞的用法。

點評:本題難度適中。非謂語動詞是高中階段的重難點之一,內(nèi)容多又雜,不容易理解,需要考生有分析理解復(fù)雜的句子結(jié)構(gòu)的能力。題目的設(shè)置注重了情景化和結(jié)構(gòu)復(fù)雜化,加大了考生對題干句的理解難度。設(shè)問的角度呈現(xiàn)出多樣化趨勢,不僅僅是非謂語間的互相干擾。

即學(xué)即練:When I got off the bus, I found my pocket _________ and the money gone.

A. picked     B. stolen     C. missing      D. lost

解析:A。句意:考查過去分詞作賓語補足語的用法,pick one’s pocket表示“偷了某人的錢包”。賓語和賓語補足語之間形成被動關(guān)系。故選A項。

 

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