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【判断题】
我国“三农问题”在不同地区的严重性不同。A.
正确
B.
错误
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反馈参考答案：
举一反三
【简答题】A．The suce of the ocean is expanding. B．The suce of earth contains tons of cosmic dust. C．Volcanic activity is increasing. D．Thousands of comets are colliding with earth's atmosphere.
【单选题】The datum surface of abosolute elevation is ( )
A.
The geoid
B.
the assumed surface
C.
no surface
【单选题】The datum surface of the difference elevation is ( )
A.
The geoid
B.
the assumed surface
C.
no surface
【单选题】The free surface corrections depend upon the dimensions of the surface of the free liquids and the ______．
A.
volume of liquid in the tank
B.
displacement of the vessel
C.
location of the tank in the vessel
D.
height of the center of gravity of the vessel
【简答题】Suce structure
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