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【单选题】
变压器电压高的一侧电流比电压低的一侧电流A.
大
B.
小
C.
相同
D.
无关
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反馈参考答案：
举一反三
【简答题】船舶营运安全管理练习题.doc
【简答题】阅读理解。 Charles Brown is a doctor, but he is not a doctor who helps sick people. He helps fish. People who live in Charles' town call him 'The Fish Doctor'. If their pet (宠物) fish get sick, they call hi...
【简答题】工作在交流额定电压 V 以下,直流额定电压 V 及一下的电器称为低压电器。
【单选题】A recent survey shows the number of people who shop in stores ________， while far more are shopping online.
A.
decrease
B.
decreases
C.
is decreasing
D.
are decreasing
【单选题】A/An______is a person who is not present at a crime but who helps another in doing something criminal.
A.
assessor
B.
access
C.
acquaintance
D.
accessory
【简答题】______ will pay fifty pounds to anyone who helps the police to catch this man.
【单选题】It is the headmaster ______ helps the kid continue his learning.
A.
who
B.
what
C.
where
D.
whose
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