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【判断题】
硫、磷是影响钢的质量的主要元素。()A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】Please look at the slide and finish the logic design problem on page 16.
【单选题】The center of the problem is that they lack practice and positive _____ in themselves.
A.
belief
B.
author
C.
element
D.
unusual
【简答题】（）沙漠是中国面积最大的沙漠，也是世界最大的流动沙漠。
【单选题】The practice of Canadian firms dumping their products in Sweden poses a problem for economic policymakers since dumping tends to:
A.
Favor Swedish consumers over Canadian consumers
B.
Favor Swedish producers over Canadian producers
C.
Become widespread as firms operate at full productive capacity
D.
Result in firms charging prices above the total costs of production
【简答题】Match the technology or practice on the left with the problem it best addresses:
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