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【判断题】
信号使用光纤传输时,传输距离长,衰减小,不受电磁场干扰影响。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】What should one pay attention to during traveling England?
A.
If you need help, please turn to your teachers.
B.
The traffic moves on the left side of the road in this country.
C.
It is against the law for anyone to buy cigarettes or tobacco.
【简答题】How much will one pay per day he wants a shared room in May?
【单选题】How much rent should one pay for the one-bedroom apartment?
A.
$350.
B.
$400.
C.
$415.
【简答题】声音的三要素指的是( )、( )、( )。
【单选题】Why should one pay attention to e-business?
A.
Because one needs to follow the law of 'survival of the fittest'.
B.
Because one has surpassed the 'Knowledge Age'.
C.
Because one has entered the 'Information Age'.
D.
Because one has to get rid of the waste.
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