题目内容

极值若存在,必唯一

A. 对
B. 错

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极值有可能在区间端点处取得

A. 对
B. 错

最值有可能在极值点处取得

A. 对
B. 错

Have you got enough information about their talk? Listen to the conversation again and choose the correct answers to the questions below. (6) What subject will Prof. Wilson's speech be about?

A. The world economic forum.
B. The development of ABC company.
C. The latest trend in Chinese MICE industry.
D. The middle and senior managers.

(7)Mr. Anderson will prepare the facilities except___.

A laptop
B. A projection screen
C. A projector
D. A laptop connection

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