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【判断题】
碳在奥氏体中的溶解度随温度的提高而减小。A.
正确
B.
错误
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举一反三
【单选题】_____________________________________________________________ There are more households living in actual poverty than there are households below the poverty line. A recent report states that as much a...
A.
The issue of understating poverty is especially pressing in the states with both a high cost and a high poverty rate such as California.
B.
The poverty line lost all connection over time with current consumption patterns of the average family.
C.
The official poverty line today is essentially what it takes in today's dollars to purchase the same poverty-line level of living half a century ago.
D.
Many sociologists and government officials have argued that poverty in the US is understated.
【单选题】Suppose today’s CPI is 134.85, and suppose one must spend $580 today to purchase the same basket of goods and services that could be bought for $400 in 1989. Then the CPI in 1989 was
A.
24.27.
B.
60.68.
C.
93.00.
D.
195.53.
【简答题】绕线式异步电动机的启动方法是在 _ _ 串入变阻器,不但可以减少启动电流,还能提高 __ _ 。
【判断题】In a basket purchase, the cost of the individual assets acquired is determined on the basis of their relative sales value
A.
正确
B.
错误
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