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【单选题】
下列命题中正确的是                                               (   )
A.
若β＝α＋ｋ·360°（ｋ∈Ｚ），则α与β终边相同
B.
第二象限角一定是钝角
C.
终y轴正半轴上的角是直角
D.
第四象限角一定是负角
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B.
物流学是综合叉学科
C.
物流具有系统科学的特征
D.
物流属于应用科学的范畴
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【简答题】It is very important for people who drive cars 1 good driving habits. Don't drive too close to the car 2 you. Because if it stops, you may not be able to brake(刹车) 3 and then you may 4 it. If you want...
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【多选题】关于物流学科的性质，下列描述正确的有（）。
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【简答题】What is the most common way for you to keep healthy? 2、Do you know the harm of smoking? 3、Do you know the procedure of seeing a doctor? 4、How often do you go to see a doctor? 5、Why do people prefer gr...
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【简答题】It is very important for people who drive cars 1 good driving habits. Don't drive too close to the car 2 you. Because if it stops, you may not be able to brake(刹车) 3 and then you may 4 it. If you want...
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