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【简答题】
化学是在分子、原子层次上研究物质的______、______、______以及______的科学．
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举一反三
【简答题】多媒体技术所研究的内容主要有 4 个特性,分别为 、 、 、 。
【多选题】多媒体技术的研究内容有______。
A.
视频压缩技术
B.
多媒体数据库技术
C.
多媒体软硬件平台
D.
虚拟现实技术
E.
超文本与Web技术
F.
多媒体通信与分布处理
【单选题】With the environment worsening, the government ______ people for more environment protection．
A.
reacts to
B.
appeals to
C.
refers to
D.
leads to
【单选题】The difference between impromptu speech and the extemporaneous speech is ______.
A.
the impromptu speech can not be avoided
B.
people choose to speak extemporaneously
C.
impromptu speech is delivered with some preparation
D.
extemporaneous speech is prepared in advance
【简答题】多媒体技术的研究内容有哪些？
【单选题】When you want to express our blindness to environment caused the deterioration of environment , you may say_________.
A.
Owing to our blindness, environment is getting worse.
B.
Our blindness to environment results in the deterioration of environment.
C.
The deterioration of environment resulted in our blindness to environment.
【单选题】AlI ships which,in accordance with the present Convention, are required to carry radio in stallation shall carry( )
A.
Q-code word
B.
telephone mimbers and addresses
C.
the International Code of Signals
D.
radio instructions
【单选题】Grandma Moses began to paint because she wanted to _______.
A.
make her home beautiful
B.
keep active
C.
improve her salary
D.
gain an international fame
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