A beam of light will not bend round the 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 the corners 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

解析省略了主语和系动词的分词状语结构。

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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

英语

普高专升本

A、Havingamealatahotel.B、Picnickingintheopenair.C、Preparingdinnerathome.D、Travelingbytrain.B

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Inatelephonesurveyofmorethan2,000adults,21%saidtheybelievedthesunrevolved(旋转)aroundtheearth.An【C1】______7%di

Anyonewhohasriddenonarailroadtrainknowshowrapidlyanothertrain【C1】______bywhenitistravellinginthe【C2】______dire

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