Bats are surprisingly long-lived creatures, some a life span of around 20 years.A. having

发布时间:2020-08-17 07:10:18

Bats are surprisingly long-lived creatures, some      a life span of around 20 years.
A. having
B. had
C. have
D. to have

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(答案→)A. having
B. had
C. have
D. to have
解析:    
试题分析:考查独立主格。逗号前后主语不同,而句中又没有连词,所以判断是独立主格结构,即:逻辑主语+现在分词/ 过去分词/ 不定式,故排除C选项;其中some和have是主动关系,应该用现在分词,所以A选项正确。句意:蝙蝠是一种长寿得令人吃惊的动物,其中一些的寿命是200年左右。
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