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【多选题】
数字视频的产生方式有()。A.
数字视频设备
B.
模拟信号通过视频卡转换
C.
模拟信号通过数字转换器转换
D.
模拟数字视频设备
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反馈参考答案：
举一反三
【简答题】细菌大小的单位一般用什么单位表示?
【单选题】She _______ live with her parents, but she doesn’t now.
A.
used to
B.
is used to
C.
was used to
D.
has used to
【单选题】She used ___with her parents, butnow she is used to ____ with her classmates at school. [ ]
A.
live; liwing
B.
1ive; live
C.
living; living
D.
living; live
【单选题】She used to_____with her parents,but now she is used to____with her classmates. [ ]
A.
live,living
B.
live,live
C.
living,living
D.
living,live
【单选题】She in the big city, but now she in the small town with her children.
A.
used to live；is used to living
B.
used to living；is used to living
C.
used to live；is used to live
D.
used to living；is used to live
【简答题】A．She used her student ID card and a charge card. B．She used her credit ear& C．She used her driver's license and her student ID card. D．She used her telephone number and her student ID card,
【简答题】根据对称分量法, a 、 b 、 c 三相的零序分量相位关系是( )A. a 相超前 b 相 B. b 相超前 a 相 C. c 相超前 b 相 ； D. 相位相同 D. 相位相同
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