英语六级

单选题What is the passage mainly about?

A．The potency of tobacco's advertising bans.
B．The hostile regulatory climate of tobacco in the U.S..
C．The current situation and challenge of big tobacco firms.
D．The introduction and growth of e-cigarettes.

参考答案：C进入在线模考
主旨题。根据题干关键词需纵观全文。文章前三段讲吸烟的危害在美国引起重视．并加大了广告限制及禁烟标志力度；第四段引出电子香烟；第五段指出电子香烟所占的市场份额：后面谈到烟草公司的反应及发展趋势。因此，正确答案是C。

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3听录音，回答题

A．He was too excited to go out to travel.
B．He was tired of studying and needed some change.
C．He had already planned a trip long before.
D．He liked to travel around.

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