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【判断题】
变压器中，带负载进行变换绕组分接的调压，称为有载调压。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】—How many computers are there in the room? —________．Some workers moved them to another place just now．
A.
None
B.
Both
C.
Nobody
D.
Neither
【单选题】Some pundits that many computers are obsolete before they're even de- signed, which goes a long way toward explaining why the ATM at my grocery store never works.
A.
teach
B.
praise
C.
speculate
D.
institute
【简答题】A computer is a machine. It handles a lot of information. Many people use computers to help them work better. Unfortunately, many computers are often hurt by virus. A computer virus is a set of bad in...
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