参考答案:ABCD
M: how many students tried out for the football W: About 60, but only half of them have any real talents for the sport.
计算题。听清问题是关键。问有多少人擅长这种运动,60名是报名人数,一半是有运动天赋的,所以60×1/2=30,故选C。
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