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【单选题】
原始凭证是进行会计核算的( )A.
原始依据
B.
内容
C.
结果
D.
方法
手机使用
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反馈参考答案：
举一反三
【单选题】The best title for this passage is ______.
A.
New Digital Age of Interactivity
B.
Digital Still Camera
C.
Ways of Using Digital Still Camera
D.
Hello Digital
【单选题】What makes the digital screens possible, according to the passage?
A.
Digital light processing technology.
B.
Use of millions of tiny mirrors on the chip.
C.
The chip capable of moving thousands of times per second.
D.
The American movie entitled Avatar made in Hollywood.
【多选题】what are the types of digital signal?
A.
periodic digital signal
B.
nonperiodic digital signal
C.
positive logic
D.
negative logic
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