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【单选题】
三相对称负载作Y连接时，线电压是相电压的（）倍。A.
1
B.
√2
C.
√3
D.
3
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反馈参考答案：
举一反三
【简答题】The heavy snow could not keep us__________going out to work．
【单选题】What will the weekend temperature be?
A.
Below freezing.
B.
Right around freezing.
C.
Around 7 degrees.
D.
About 11 degrees.
【单选题】The freezing point is the temperature _______ water changes into ice.
A.
at which
B.
on that
C.
in which
D.
of what
【单选题】To solve the problem, we would appreciate it if you could give us an ______ explanation and compensate (补偿) us.
A.
abundant
B.
adequate
C.
approximate
D.
awesome
参考解析：
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