What‘s the main idea of this passage? 查看材料A.Expert
What‘s the main idea of this passage? 查看材料
A.Experts are"concerned about excessive drinking in teenagers．
B.The harm of e-cigarettes is greater than that of alcohol．
C.Teenagers are in danger of risking their health on e-cigarettes．
D.Researchers are aware of smoke-related health hazards．
请帮忙给出正确答案和分析，谢谢！
参考解答
649***20887
2022-12-07 21:49:53
正确答案：C
定位：由题干中的themainideaofthispassage可知，需结合全文进行分析。详解;主旨大意题。本题考查的是全文的主旨大意。原文第一段指出，专家警告说，数以百万计的青少年沉迷于电子烟，这使他们的健康受到威胁。第二、三段表明了电子烟对青少年的危害。最后三段指出研究人员对英格兰西北部16，000名14至17岁之间的学生进行的关于其酒精和烟草的使用情况的调查，并揭示了调查结果。由此可知，本文主要阐述了青少年沉迷于电子烟，危及他们的健康。C．是对全文的最佳概括，故为答案。A．“专家关心青少年的过度饮酒问题”和D．“研究人员注意到了与吸烟相关的健康危害”都是文章提及的部分内容，属于以偏概全，故排除；B．“电子烟的危害大于酒精”，原文未提及，属于无中生有．故排除。
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