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【判断题】
电解液在电池内的液面出防护片10~15cm。A.
正确
B.
错误
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【判断题】Editors in the old days made great efforts to read slips and write definitions while editors today can examine instances of a word in a large corpus and then work out its definitions. But both stick t...
A.
正确
B.
错误
【单选题】Programs for Web site design and HTML coding are called Web page editors or
A.
apps
B.
VR programs
C.
HTML editors
D.
Web editors
【单选题】Why are newspaper copy editors considered to be indispensable?
A.
They decide whether a copy will be published.
B.
They remain anonymous to the public.
C.
They are top editors in a newspaper office.
D.
They make the copy sure for being printed.
【简答题】According to the speaker, the press will lose readers unless the editors and the news directors
【单选题】一台50 三相感应电动机的转速为n=720r/min ,该电机的级数和同步转速为( )。
A.
4极，1500r/min
B.
6极，1000r/min
C.
8极，750r/min
D.
10， 600r/min
【单选题】一台 50Hz 三相感应电动机的转速为720r/min ,该电机的同步转速为
A.
1500 r/min
B.
750 r/min
C.
3000r/min
D.
600r/min
【单选题】Editors of the Financial Gazette reserve the right to review advertisements and correct______errors in spelling or format.
A.
well
B.
them
C.
much
D.
any
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【简答题】According to the speaker, the press will lose readers unless the editors and the news directors