( ) It was playing computer games that cost the boy plenty o

( ) It was playing computer games that cost the boy plenty of time that he _____

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( )This machine does not run as __________ as that one.

( )This machine does not run as __________ as that one. A.smoothly B.more smooth

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( ) On Sunday I always prefer __________ rather than _______

( ) On Sunday I always prefer __________ rather than __________ TV all day. A.to

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根据中文提示,将对话中缺少的内容写在线上。这些句子必须符合英语表达习惯。打句号的地方,用陈述句;打问号的地方,用疑问句。

根据中文提示,将对话中缺少的内容写在线上。这些句子必须符合英语表达习惯。打句号的地方,用陈述句;打问号的地方,用疑问句。 提示:Mr.Harris是位国际商用

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高压开关设备中,接触器的主要控制对象有(  )。

高压开关设备中,接触器的主要控制对象有(  )。A.高压电动机 B.变压器 C.断路器 D.电容器组

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