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【单选题】
以下关于磁力线的说法,不正确的是A.
磁力线永不相交；
B.
磁力线是用来形象地表示磁场的曲线；
C.
磁力线密集处的磁场强；
D.
与磁力线垂直的方向就是该点的磁场方向。
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【简答题】《大学人文教程》P278 传记作家穆尔则认为,哥本哈根精神是 “高度的___________、大胆的___________、深奥的研究内容与快活的___________的混合物”。
【简答题】地籍调查与地籍测量有何区别？
【简答题】C Are you afraid of change? Whether it is you personally or the working/living environment around you that changes, change will happen, it’s one guarantee I can give you and if you want success you ne...
【简答题】地籍调查与地籍测量有何区别?
【简答题】地籍调查与地籍测量有何区别?
【单选题】According to the passage we know most modern VDTs ______.
A.
can change the working conditions for the operators
B.
can limit the ers from the electro-magnetic radiation
C.
can also affect the growth of the cells
D.
can protect the health of the computer operators
【单选题】Mike apologized for _______ to inform her of the change in the working plan.
A.
his being not able
B.
him not to be able
C.
his not being able
D.
him to be not able
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