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【判断题】
按GB7588—2003《电梯制造与安装安全规范》规定，曳引钢丝绳的安全系数是指125%额定载荷的轿厢停靠在最低层站时，一根钢丝绳的最小破断负荷(N)与这根钢丝绳所受的最大力(N)之间的比值。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Although he is over 65, Mr Smith has never been tired. He’s a man full of ___.
A.
power
B.
energy
C.
strength
D.
force
【单选题】Even Paul’s brother liresin Brazil，he has never been there．
A.
although
B.
despite
C.
though
D.
that
【单选题】_____ many times, but he still didn’t know what to do next.
A.
Having been told
B.
Although he had been told
C.
He had been told
D.
Having told
【单选题】接收用户的输入是那条语句？
A.
Console.ReadLine()；
B.
Console.WriteLine()；
C.
Console.ReadKey()；
D.
Console.Readline()；
【单选题】Although it had been _____ struggle for him to finish ______ experiment, he enjoyed the result with_______ satisfaction.
A.
the; an; /
B.
a; the ; /
C.
a; an; a
D.
/; the; a
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