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问题 多项选择题

有些课堂上，教师的语言那么混乱，如果说在下节课上，学生毕竟还知道一点东西，学习最好的学生还能得到优秀的分数，原因是（）。

A.学生的聪明

B.学生的勤奋和努力

C.独立地在课外时间抠教科书

D.以学生的健康为代价换来的

答案

参考答案：B, C, D

单项选择题

进行腹式呼吸锻炼时，下列动作中应予以纠正的是（）。

A.吸气时腹部用力挺出

B.呼气时腹部尽力收缩

C.深吸快呼

D.鼻吸口呼

E.深吸慢呼
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单项选择题

Alcohol-control advocates argue that television advertising plays a large role in leading teenagers to drink. In Hungary, however, where television advertising of alcoholic beverages has been prohibited since 1980, teenage alcohol use is higher than in some other European countries where such advertising is allowed.
Which of the following statements draws the most reliable conclusion from the information given above ？（）

A. Hungarian culture, in general, views alcohol use more positively than do most other European cultures.

B. Television advertising is the most effective way to encourage consumers to try a new alcoholic beverage.

C. Television advertising cannot be the only factor that affects the prevalence of teenage drinking.

D. Alcohol use among Hungarian teenagers has increased in recent years.

E. Alcohol abuse is the greatest threat facing Hungarian teenagers.
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