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A beam of light will not bend round the comers unless______to do so with the help of a reflecting device.
A beam of light will not bend round the comers unless______to do so with the help of a reflecting device.
admin
2011-01-24
52
问题
A beam of light will not bend round the comers unless______to do so with the help of a reflecting device.
选项
A、being done
B、made
C、to be made
D、having made
答案
B
解析
句意:一束光除非是在反射装置的帮助下,否则它是不能弯曲照到角落里的。本题考查状语从句。状语从句中,若主句的主语和从句的主语一致,而且从句中的谓语动词是be,则可以将其主谓省略。所以本句是省略了主语和系动词的分词状语结构。完整句型应为“unless it is made to do so…”故选B。
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本试题收录于:
英语题库普高专升本分类
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英语
普高专升本
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