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【单选题】
在“探究小车速度随时间变化的规律”实验中,下列说法不正确的是 ( )
A.
纸带上可以每隔任意相同数量的点选取一个计数点
B.
使用刻度尺测量长度时,要进行估读
C.
作 v - t 图象时,所描曲线必须经过每一个点
D.
在数据处理时,常用公式法和图象法
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参考答案:
举一反三
【判断题】However, by learning to get copper and tin by heating rocks and combining copper and tin to make an alloy called bronze, the technology of metallurgy began about 3500 B.C. with the Bronze Age. 这句话的意思是...
A.
正确
B.
错误
【单选题】Assume that the current buy rate for the Japanese yen is 87.4100 (yen per dollar) and the current sell rate is 87.4400 yen per dollar. Assume that a bank buys and sells $1,000,000 in the yen market. H...
A.
30,000 yen
B.
-30,000 yen
C.
-343.09 yen
D.
343.21 yen
【判断题】Much effort has been placed on understanding the iron-carbon alloy system, which includes steels and cast irons.这句话的意思是人们很重视研究铜铁合金系,包括铜和铸铁。
A.
正确
B.
错误
【单选题】How much is the train fare?
A.
130 yen.
B.
113 yen.
C.
30 yen.
【单选题】Suppose that the yen-dollar exchange rate changes from 85 yen per dollar to 80 yen per dollar. One can say that the:
A.
Yen has appreciated against the dollar and the dollar has depreciated against the yen
B.
Yen has depreciated against the dollar and the dollar has appreciated against the yen
C.
Yen has appreciated against the dollar and the dollar has appreciated against the yen
D.
Yen has depreciated against the dollar and the dollar has depreciated against the yen
【单选题】(题共用备选答案)
A.
血轮
B.
风轮
C.
气轮
D.
水轮
E.
肉轮 黑珠属肝称 查看材料
【简答题】A.血轮 B.风轮 C.气轮 D.水轮 E.肉轮 黑珠属肝称
【单选题】黑珠属肝,称()
A.
气轮
B.
风轮
C.
肉轮
D.
血轮
【简答题】A.99.40 yen. B.97.46 yen. C.99.01 yen. D.96.82 yen.
【单选题】If the yen per dollar exchange rate is 200 yen, then it falls to 150 yen, this means that
A.
it now takes $150 to buy one yen.
B.
the dollar has depreciated relative to the yen.
C.
the dollar's purchasing power relative to the yen has risen.
D.
the price of goods imported from Japan will fall.
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