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【单选题】
在光纤传输系统中,当光纤中信号传输距离较远衰减比较严重时,应当在光纤传输系统中增加()A.
光纤
B.
光发射机
C.
中继器
D.
光接收机
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反馈参考答案：
举一反三
【单选题】在资产负债表日，交易性金融资产的公允价值无论高于或低于其初始投资成本，均须通过“公允价值变动损益”账户来确认其由于公允价值变动而形成的应计入当期损益的收益和损失。( )
A.
正确
B.
错误
【单选题】--- It’s already 9:00 o’clock, but he hasn’t turned up yet. --- He ______ in the traffic jam.
A.
could have caught
B.
should have caught
C.
must catch
D.
would have caught
【单选题】Professor Tang didn't give us a speech today.It was ________ he had a traffic accident on the way to school.
A.
that
B.
when
C.
why
D.
because
【简答题】A．He wants to go early to avoid a traffic jam. B．He wants to leave the theater before the movie is over. C．He doesn't know the way to the theater. D．He doesn't usually get up at 7:00.
【单选题】—We are worried about Tom. Why hasn’t he come back? —Don’t worry. He ______ in a traffic jam.
A.
might be caught
B.
may have been caught
C.
can have been caught
D.
should have been caught
【单选题】Not until the driver was stopped by the traffic police that he shouldn’t have drunk so much wine.
A.
he realized
B.
did he realize
C.
realized himself
D.
he did realize
【单选题】______ the traffic jam, he didn’t catch his plane, which was reported to have crashed soon after it took off.
A.
Because of
B.
On account of
C.
Due to
D.
Thanks to
【单选题】王某夫妇婚后生有一子甲。2005年甲遇车祸不幸身亡，留有甲的妻子乙和女儿丙。乙和丙一起单独生活，没有赡养王某夫妇。2010年王某去世，有权继承其遗产的是：（ ）
A.
乙和丙
B.
王某的妻子和乙
C.
王某的妻子和丙
D.
王某的妻子、乙和丙
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