题目内容

37. Why are you advised to give fewer points in your presentation?

A) To pass on the messages better.
B)To avoid wasting too much time.
C)To allow audience to take notes.
D)To leave more time for questions.

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38. The speaker can help the audience remember the message longer by___________

A)displaying text-based slides
B)avoiding long technical terms
C) focusing on the width of coverage
D) using simple and powerful diagrams

39. The underlined word “transfer” in this passage most probably means“_________”

A)create
B) pass on
C) take off
D)describe

40. This passage is mainly about_____________

A) how to make an effective business presentation
B) how to present strong ideas in a presentation
C)how to focus on the depth of coverage
D) how to prepare a powerful diagram

某一元素的原子序数是29,问:(1)该元素原子的电子总数是多少?(2)它的电子排布式是怎样的?(3)它属第几周期?第几族(注明主族或副族)?哪个区?

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