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【单选题】
物体通过两个连续相等位移的平均速度分别为 v 1 = 10 m / s , v 2 = 15 m / s ,则物体在整个运动过程中的平均速度是A.
13. 75 m / s
B.
12. 5 m / s
C.
12 m/s
D.
1. 11. 75 m/s
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【单选题】Magnetism which is present only when the material is under the influence of an external field is called ______.
A.
permanent magnetism
B.
induced magnetism
C.
residual magnetism
D.
terrestrial magnetism
【简答题】An FI manager purchases a zero-coupon bond that has two years to maturity. The manager paid $76.95 per $100 for the bond. The current yield on a one-year bond of equal risk is 12 percent, and the one-...
【简答题】斜齿轮按其齿廓渐开线螺旋面的旋向,可以分为 和 两种 。
【简答题】An FI manager purchases a zero-coupon bond that has two years to maturity. The manager paid $76.95 per $100 for the bond. The current yield on a one-year bond of equal risk is 12 percent, and the one-...
【单选题】关于药品不良反应,以下说法不正确的是
A.
由于个体差异，服用同样的药有的人会引起不良反应，有的人不会。
B.
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C.
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D.
发现药品不良反应应向相关检测部门报告
E.
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【简答题】Chi, Di and Fi formed an ordinary partnership to run an art gallery. Each of them paid ￡100,000 into the business. As Fi had no prospect of raising any more money it was agreed between them that her m...
【单选题】On the river there is bridge ．
A.
． an old finestone
B.
． a fine new wood
C.
． a stone fine old
D.
． a new wood fine
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