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【简答题】
S1:What is the diameter of the turning circle? S2:The diameter of the turning circle is 900 meters Q:What is being asked? A. The radius of the turning circle. B. The turning ability of the vessel. C. The diameter of the turning distance. D. The diameter of the turning circle,
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皮皮学刷刷变学霸
举一反三
【单选题】The examination has been cancelled. You _____ all that revision, after all.
A.
didn't need to have done
B.
needn't have done
C.
need to do
D.
needn't do
【简答题】简述元素的定位属性包含哪两个部分,分别对他们做简要介绍。