Which of the following is an appropriate title for
Which of the following is an appropriate title for this passage? 查看材料
A.Cell Phone Radiation: Is It Harmful?
B.Cell Phone Radiation: Is It Useful?
C.Cell Phone Radiation: Is It Healthy?
D.Cell Phone Radiation: Is It Weak?
请帮忙给出正确答案和分析,谢谢!
参考解答
正确答案:A
主旨大意题。第一段提出手机辐射是否会引起脑癌这一问题,最后一段说需要做深入研究来调查其影响,故全文一直围绕手机是否会对大脑有害这一问题进行展开。故选A。
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