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【判断题】
力偶没有合力，所以不能用一个代替，也不能和一个力平衡，力偶只能和力偶平衡A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Chart depth is the ______.
A.
vertical distance from the chart sounding datum to the ocean bottom, plus the height of tide
B.
vertical distance from the chart sounding datum to the ocean bottom
C.
average height of water over a specified period of time
D.
average height of all low waters at a place
【单选题】Chart depth is the ______.
A.
vertical distance from the tidal datum to the ocean bottom, plus the height of tide
B.
vertical distance from the tidal datum to the ocean bottom
C.
average height of water over a specified period of time
D.
average height of all low waters at a place
【单选题】Charted depth is the ______.
A.
vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B.
vertical distance from the tidal datum to the ocean bottom
C.
average height of water over a specified period of time
D.
average height of all low waters at a place
【单选题】Charted depth is the ______.
A.
vertical distance from the chart sounding datum to the ocean bottom，plus the height of tide
B.
vertical distance from the chart sounding datum to the ocean bottom
C.
average height of water over a specified period of time
D.
average height of all low waters at a place
【单选题】My inspiration is my grandmother, who's still alive at 96. She raised me from the time I was 8 on a dairy farm in Wisconsin. In another era she could have done what I do, although I didn't know what a...
A.
lives in the countryside
B.
is a middle-aged man
C.
is a CEO
D.
does very well in tests
【多选题】理想作为对未来的向往和追求,是( )
A.
对现实生活的超越
B.
在现实生活中尚未实现的东西
C.
人们的要求和期望最集中、最直观的表达
D.
违背客观规律从而根本不可能实现的想象
【单选题】The datum from which the predicted heights of tides are reckoned in the tide tables is ______.
A.
mean low water
B.
the same as that used for the charts of the locality
C.
the highest possible level
D.
given in table three of the tide tables
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