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The flow of an electric current in a regular conductor is made possible by the fact that______. The breakthrough made in superc
The flow of an electric current in a regular conductor is made possible by the fact that______. The breakthrough made in superc
admin
2009-06-15
54
问题
The flow of an electric current in a regular conductor is made possible by the fact that______.
The breakthrough made in superconductivity in 1992 is remarkable because ______.
选项
A、metal-containing ceramics turned out to be superconductors
B、higher-temperature superconductivity was made possible
C、ceramics were found to be superconductors
D、room-temperature superconductors were developed
答案
B
解析
相关内容位于文章第四段第二句,原文为“到1992年,科学家已经研制出在-297°F时处于超导状态的陶瓷,研究人员推测在室温时出现超导现象也是可能的”。结合四个选项,只有选项B与原文相符。
转载请注明原文地址:https://kaotiyun.com/show/kPLd777K
本试题收录于:
职称英语理工类A级题库职称英语分类
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职称英语
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