( )the earth to be flat, many feared that Columbus would fall off the edge of the earth.
考试:=$ecms_gr[fenlei]?>
科目:=$ecms_gr[kemu]?>(在线考试)
问题:
A:Having believed
B:Believing
C:Believed
D:Being believed
答案:
解析:
【解析】句子主语many和句首空格词believe之间显然是“主动”关系,故可排除C和D; A项为现在分词的完成形式,它往往强调“非谓语动词"与“谓语动作"间的先后关系,但此句中believe(认为)和fear (担心)是同时存在的,故可排除A,综上,本题答案选B。B是现在分词短语作原因状语,修饰谓语动作feared,表示其发生的原因。
【点睛】在“Doing/Done/To do..., S + V"结构中,逗号前面的do须与后面的S保持语义的一致,主动关系用Doing...,被动关系用Done...,表将来则用To do...;另,逗号前面的三种非谓语结构皆作状语成分,修饰V,对其做解释说明。
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( )the earth to be flat, many feared that Columbus would fall off the edge of the earth.
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