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问题 单项选择题

11,14,19,27,37,48,( )

A．60
B．63
C．67
D．69

答案

参考答案：C

解析： 间隔组合数列，奇数项都是质数，偶数项都是合数，C符合。

单项选择题

我常常发现，别人嫉妒我的好主意，就是因为他们没有先想到这些主意。

A．是

B．否
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单项选择题

Man: I’ve been waiting all week for this concert. The performance is said to be excellent and with a student discount, the tickets will be really cheap.
Woman: Ah-huh. I’m afraid I left my student ID card in the dorm.
Question: What does the woman imply().

A. She wants to borrow the man’s student ID card.

B. The tickets are less expensive than she expected.

C. She won’t be able to get any discount for the ticket.

D. The performance turned out to be disappointing.
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