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【单选题】
下列基团有助色功能的是( )。A.
—NO2
B.
—CHO
C.
—NH2
D.
—C=O
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举一反三
【单选题】3G中IMT-2000地面无线接口的标准IMT-2000CDMATDD对应于下列哪个系统（）
A.
WCDMA
B.
cdma2000
C.
TD—SCDMA
D.
DECT
【多选题】三棱锥SABC的三视图如下所示。其表面上一点M的V投影已知，则以下描述正确的有（ ）。【图片】
A.
M 点位于 SAC 面上。
B.
M 点位于 SAB 面上。
C.
M 点的其它两个投影可通过表面取点获得。
D.
无法确定 M 点落在三棱锥的哪个表面上。
【简答题】简述3G中IMT－2000地面无线接口的五个标准。
【单选题】Why shouldn't humor be used in a presentation?
A.
Because the audience might laugh at the presenter.
B.
Because the presenter might forget the main purpose of the presentation.
C.
Because the joke might offend some of the audience members.
D.
Because the audience might forget the main contents of the presentation.
【单选题】How is Rule of Three applied in a presentation?
A.
The body of a presentation is composed of no more than three paragraphs.
B.
Typically there are three parts in a presentaiton.
C.
The main idea should be repeated three times.
D.
Each idea should be supported by three arguments.
【单选题】What should you do in a presentation ?
A.
Swing your body from side to side.
B.
Use your finger as a pointer.
C.
Prepare a colorful PPT to catch your audience’s attention.
D.
Put a lot of text in your PPT.
【单选题】How would signalling language help in a presentation?
A.
To help your audience to follow your trend of thought.
B.
To advocate your opinion of the topic.
C.
To clearly explain the visual part of a presentation.
【单选题】Why does a story or a joke sometimes flop in a presentation according to the lecturer?
A.
Because it is a bad story or an example.
B.
Because it is not proper to tell a story or a joke in a presentation.
C.
Because the culture backgrounds of the audience are different.
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