According to the passage, compared to 3G mobile phones, the second-generation phones ____. The passage mainly talks about _

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问题 According to the passage, compared to 3G mobile phones, the second-generation phones ______.
The passage mainly talks about ______.

选项 A、the impact of mobile phone signals on health
B、the negative impact of current signals on health
C、the long-term effects of mobile phones on health
D、the possible causes of the impact of mobile phones

答案A

解析

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本试题收录于：大学英语三级B级题库大学英语三级分类

大学英语三级B级

大学英语三级

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According to the passage, compared to 3G mobile phones, the second-generation phones ______. The passage mainly talks about ___

大学英语三级B级

大学英语三级

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Whatistheearliestrecordofalcoholabout?

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