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Suchelectrontubes()inaradiosetareal

来源 :焚题库 2020-06-23

单项选择题 Such electron tubes()in a radio set are also found in a TV set.

A.that we use

B.as we use

C.as we use them

D.that we use them

正确答案:B

答案解析: 暂无

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相关知识:第二章、词汇与语法 

 

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