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12．Unfortunately，the element Madam Curie devoted all her life her death．（　　）

A．

to caused

B．

causing

C．

to be caused

D．

to causing

分析不幸的是，居里夫人致力于一生的元素導致了她的死亡．

解答答案A．
devote one's life to （doing ） sth 是固定短語，意思是"獻身于（做）某事"．句中Madam Curie devoted all her life to作定語，修飾the element，省略了關系代詞that/which，可排除B選項．句子的主干是"the element ______ her death．"，主句缺少謂語動詞，因為causing是非謂語動詞，可排除D．C選項中"be caused"是被動結構，但是根據句意可知，此處沒有被動含義，應該使用主動語態，可排除C；再根據語境可知應該使用一般過去時，故答案選A．

點評本題考查動詞短語的辨析．英語中有的詞組沒有捷徑，只有平時加強記憶，要注意區別，記憶的時候不能忽視，這是常見的命題方式．平時要加強記憶，做題時，別忘了要結合上下文句意判斷．

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