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【单选题】
( )使用航空器从事民间性质的活动,现在已成为交通运输的重要组成部分。A.
军事航空
B.
民用航空
C.
航空制造业
D.
航空设计
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【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】苯海索抗帕金森病的正确描述是
A.
作用机制是增加脑内多巴胺神经元活性
B.
作用机制是在脑内发挥抗胆碱作用
C.
对抗精神病药引起的帕金森综合征无效
D.
作用机制是促使脑内多巴胺释放
E.
不易透过血脑屏障
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