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【判断题】
空间对象描述包括定性和定量描述两个方面,定性描述是指其位置和属性。A.
正确
B.
错误
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【单选题】Chartered companies were NOT granted the ______ by the British King or Queen.
A.
economic rights
B.
political authority
C.
judicial authority
D.
diplomatic authority
【单选题】Chartered companies were NOT granted the _____ by the British King or Queen.
A.
Political authority
B.
judicial authority
C.
economic rights
D.
diplomatic authority
【简答题】The scientific definition of “1 meter” is: the length of the path travelled by light in vacuum during a time interval of _______________ seconds.
【单选题】The gravitational force exerted by the Sun on the Earth holds the Earth in an orbit around the Sun. Let us assume that the orbit is perfectly circular. The work done by this gravitational force during...
A.
zero
B.
positive
C.
negative
D.
impossible to determine
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