A beam of light will not bend round corners unless ______ to do so with the help of a reflecting device.

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问题 A beam of light will not bend round corners unless ______ to do so with the help of a reflecting device.

选项 A、made
B、to be made
C、being made
D、having made

答案A

解析本句的意思是：如果没有反射装置，光线不能在拐角处转弯。省略句题：完整的句子应是：unless it is made to do so with the help ofa reflecting device．当部分状语从句的主语和主句主语一致且谓语为be动词时，从句主谓可省略。从句中主语it即主句中的a beam of light，因此可省略。

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本试题收录于：英语题库成考专升本分类

英语

成考专升本

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A beam of light will not bend round corners unless ______ to do so with the help of a reflecting device.

英语

成考专升本

January3rd,2008DearMr.Timbald,Thankyouforyourletterconcerningthepoorqualityofourrubbersoledblackworkboot

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Asprotectorofherfamily’shealth,thepoineerwomanconfrontedsituationssheneverimaginedbeforecrossingtheMississippi.

In1807NoahWebsterbeganhisgreatestwork,AnAmericanDictionaryoftheEnglishLanguage.Inpreparingthework,hedevotedt

Onlinedistancelearningisaninstructionalsystemwhichconnectslearnerswitheducationalresources.Studentsworkontheiro

KeyJames,SecretaryofHealthandHumanResourcesintheVirginiaStategovernment,lovestoturnthetablesonthosewhodon’t

I’mverysorrytohave______youwithsomanyquestionsonsuchanoccasion.

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Itisnouse______menottoworryabouthisinjury.

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