题目：
注：courtesy礼貌，audience观众
小题1:How many days will the show be on?
A. For 10 days. B. For 12 days. C. For 15 days.
小题2:How long does each show last?
A. Half an hour. B. One hour. C. One hour and a half'.
小题3:If a family of four go to the theatre in the evening，they have to pay at least dollars for the tickets
A. 85 B. 100 C. 120
小题4: are not allowed to enter the theatre
A. Latecomers B. Kids below three years old C. School students
小题5:70 What information CANNOT be found in the advertisement?
A. The name of the show. B. The name of the director. C. The telephone number.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：先对x积分，再对y积分得解析：此题必须先对x积分，再对y积分，否则将求不出积分的结果。
