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【判断题】
一个二进制后面加个 0 ,则其值扩大二十倍A.
正确
B.
错误
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举一反三
【多选题】三角形连接的三相对称交流电路有以下特点（）。
A.
线电压等于相电压
B.
线电流等于相电流
C.
各相负载电压大小相等，相位互差120°
D.
线电流大小相等且相位互差120°
E.
线电流必等于相电流的倍
【多选题】三角形连接的三相对称交流电路有以下几个特点（）。
A.
线电压等于相电压
B.
线电流等于相电流
C.
各相负载电压大小相等，相位互差120 0
D.
线电流大小相等且互差120 0
【单选题】-Difficulties always go with me! -Cheer up! If God closes door in front of you, there ________ be a window opened for you.
A.
would
B.
must
C.
could
D.
can
【单选题】Difficulties always go with me ! Cheer up ! I f God closes a door in front of you , there ( ) be a window opened for you.
A.
would
B.
must
C.
could
D.
can
【单选题】In spite of the difficulties we always managed to ______ back.
A.
brace
B.
bounce
C.
bound
D.
brand
【单选题】— Difficulties always go with me! — Cheer up! If God closes door in front of you, there be a window opened for you.
A.
must
B.
would
C.
could
D.
can
【简答题】请问劳动和企业家才能如何区分?
【单选题】(2019·常州高级中学高三测试)-Difficulties always go with me! -Cheer up! If God closes the door in front of you, there ________ be a window opened for you.
A.
must
B.
would
C.
could
D.
can
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