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【单选题】
调制解调器(MODEM)包括调制和解调功能,其中调制功能是指( )。A.
将模拟信号转换成数字信号
B.
将数字信号转换成模拟信号
C.
将电信号转换为光信号
D.
将光信号转换为电信号
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举一反三
【简答题】试述压力计选型的主要内容及安装注意事项。
【多选题】Which word is appropriate to describe Lenny Burton?
A.
handsome
B.
transparent
C.
wild
D.
poor
【单选题】Which one of the following sentences can be a good topic sentence for a paragraph to describe a person?
A.
Falling in love is very time-consuming.
B.
If you want to be a successful salesman, you need to follow several basic steps.
C.
It is high time that something were done to protect wild animals.
D.
Malcolm is as handsome as any Hollywood star.
【简答题】describe a handsome man or boy in your own words.
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