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如何使用万用表测量蓄电池开路端电压。
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举一反三
【单选题】E-mail, as well as the telephone, ___________ an important part in daily communication.
A.
is playing
B.
have played
C.
are playing
D.
play
【单选题】E-mail (as well as) mobile telephones (are) becoming (more and more) popular (in) daily communication.
A.
as well as
B.
are
C.
more and more
D.
in
【简答题】标准件无需绘制图纸,只需注明其规格( 型式、结构和尺寸 )和 标准 。
【简答题】标准件无需绘制图纸,只需注明其规格( 型式、结构和尺寸 )和 标准 。
【单选题】With the development of modern society, E-mail as well as telephones _____ an important part in daily communication. [ ]
A.
have played
B.
is playing
C.
are playing
D.
played
【简答题】E-mail, as well as telephone, ______ an important part in daily communication. A) is playing B) have played C) are playing D) hoped
【简答题】E-mail, as well as telephones, ______ an important part in daily communication. A) is playing B) have played C) are playing D) play
【简答题】标准件无需绘制图纸,只需注明其规格( 型式、结构和尺寸 )和 标准 。
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