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(外研版通用)2015高中英语全程复习方略金榜 Word版可编辑套题:课时提升作业(六) 必修1 Module 6
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    此套题为Word版,请按住Ctrl,滑动鼠标滚轴,调节合适的观看比例,答案解析附后。关闭Word文档返回原板块。

课时提升作业()

      必修1 Module 6

Ⅰ. 阅读理解

A

  Holding a cellphone against your ear or storing it in your pocket may be dangerous to your health. This explains a warning that cellphone manufacturers include in the small print that is often ignored when a new phone is purchased. Apple, for example, doesn’t want iPhones to come closer to you than 1. 5 centimeters; Research In Motion, BlackBerry’s manufacturer, recommends 2. 5 centimeters.

If health issues arise from cellphone use, the possible effects are huge. Voice callsAmericans chat on cellphones 2. 26 trillion(万亿)minutes annually earn $109 billion for the wireless carriers.

Devra Davis, an expert who has worked for the University of Pittsburgh, has published a book about cellphone radiation, “Disconnect”. The book surveys scientific research and concludes the question is not settled. 

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