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【单选题】
It was inevitable that any of President George W. Bush's fans had to be very disappointed by his decision to implement high tariffs on steel imported to the U.S. The president's defense was pathetic. He argued that the steel tariffs were somehow consistent with free trade, that the domestic industry was important and struggling, and that the relief was a temporary measure to allow time for restructuring. One reason that this argument is absurd is that U.S. integrated steel companies ('Big Steel') have received various forms of government protection and subsidy for more than 30 years. Instead of encouraging the industry to restructure, the long-term protection has sustained inefficient companies and cost U.S. consumers dearly. As Anne O. Krueger, now deputy managing director of the International Monetary Fund, said in a report on Big Steel: 'The American Big Steel industry has been the champion lobbyist and seeker of protection....It provides a key and disillusioning example of the ability special interests to lobby in Washington for measures which hurt the general public and help a very small group.' Since 1950s, Big Steel has been reluctant to make the investments needed to match the new technologies introduced elsewhere. It agreed to high wages for its unionized labor force. Hence, the companies have difficulty in competing not only with more efficient producers in Asia and Europe but also with technologically advanced U.S. mini-mills, which rely on scrap metal as an input. Led by Nucor Cor., these mills now capture about half of overall U.S. sales. The profitability of U.S. steel companies depends also on steel prices, which, despite attempts at protection by the U.S. and other governments, are determined primarily in world markets. These prices are relatively high as recently as early 2000 but have since declined with the world recession to reach the lowest dollar values of the last 20 years. Although these low prices are unfortunate for U.S. producers, they are beneficial for the overall U.S. economy. The low prices are also signal that the inefficient Big Steel companies should go out of business even faster than they have been. Instead of leaving or modernizing, the dying Big Steel industry complains that foreigners dump steels by selling at low prices. However, it is hard to see why it is bad for the overall U.S. economy if foreign producers wish to sell us their goods at low prices. After all, the extreme case of dumping is one where foreigners give us their steel for free and why would that be a bad thing? According to Anne Krueger, long-term government protection given to steel companies
A.
will increase the state wealth.
B.
will threaten trade monopoly.
C.
will raise their competitiveness.
D.
will ultimately hurt consumers.
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【单选题】正压电效应是指
A.
压电效应是某些材料在任何方向上受到力作用时,表面会出现正负电荷,去掉外力电荷随之消失。
B.
压电效应是某些材料在任何方向上受到力作用时,表面会出现负电荷,去掉外力电荷随之消失。
C.
压电效应是某些材料在任何方向上受到力作用时,表面会出现正电荷,去掉外力电荷随之消失。
D.
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【单选题】What is the focus of study for researchers at present?
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Large marine creatures.
B.
Tiniest marine creatures.
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Deep-sea creatures.
D.
Different types of roundworms.
【单选题】正压电效应是指( )
A.
压电效应是某些材料在一定方向上受到力作用时,表面会出现正负电荷,去掉外力电荷随之消失。
B.
压电效应是某些材料在任何方向上受到力作用时,表面会出现正负电荷,去掉外力电荷随之消失。
C.
压电效应是某些材料在任何方向上受到力作用时,表面会出现正电荷,去掉外力电荷随之消失。
D.
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与系统无关的单位和个人
B.
系统的输入数据和输出数据
C.
与系统有数据传递关系但不属于系统本身的人或单位
D.
上级部门或外单位
【单选题】正压电效应是指:
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B.
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C.
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D.
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【判断题】我国采用直接标价法,美国采用间接标价法
A.
正确
B.
错误
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是孕产妇死亡的主要原因之一
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妊娠32~34周时血容量达到峰
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第二产程心脏的负担最重
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产后2~3天心脏负担减轻
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语言环境,人际交往
B.
阅读习惯,工作习惯
C.
社会安定
D.
以上都是
【单选题】有梁板的柱高,应按________之间的高度计算。()
A.
楼板上表面至上一层楼板上表面
B.
楼板上表面至上一层楼板下表面
C.
楼板下表面至上一层楼板上表面
D.
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【单选题】Cisco Technical Support Services portfolio provide customers resources that help ensure that Cisco products operate efficiently, remain highly available, and benefit from up-to-date system software. I...
A.
Yes
B.
No
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