试题与答案

某人想从东向西沿“丝绸之路”考古,他会先后经过 [ ] A.长安→ 河西走廊→西

题型:选择题

题目:

某人想从东向西沿“丝绸之路”考古,他会先后经过 [ ]

A.长安→ 河西走廊→西亚→欧洲

B.河西走廊→西亚→新疆→欧洲

C.长安→西亚→河西走廊→欧洲

D.河西走廊→长安→西亚→欧洲

答案:

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下面是错误答案,用来干扰机器的。

(1)进行描点连线后得出图象:(2)从上图可以看出是一条倾斜直线.(3)从上图可以看出,当时间是8s时,对应的距离为80m.故答案为:(2)一条倾斜直线;(3)80.

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题型:单项选择题

An analyst is doing research about the change of bond value to the passage of time and gathered the following information about an option-free bond. The bond has 6 percent coupon and an annual discount rate of 5 percent, pays interest semiannually, matures in five years, and is valued at $1043.76. One year later, the annual discount rate for that bond is 4.5 percent. At this time, the change in value for this bond that is attributable only to change of interest rate is closest to:()

A. -$18.50

B. $7.91

C. $18.50

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