Compared to common electrical conductors，superconductors-最需题库

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1What is the benefit of the revolution mentioned in the first paragraph、
A.With a flip of swish．electricity can be transmitted．
B.Other American cities can benefit from the high、performance cables．
C.Great amounts of power can be conserved．
D.Detroit will first receive electricity transmitted by the new electrical cables
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2The word “expertise’’ in line 3 could be best replaced by
A.“experts”．
B.“scientists”．．
C.“scholars”．
D.“special knowledge”．
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3When was the Fraunhofer Society founded、
A.In 1940.
B.Last year．
C.After the unification．
D.In 1949.
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4The Fraunhofer Society is the largest organisation for applied technology in
A.Asia．
B.USA．
C.Europe．
D.Africa．
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5Which of the following is NOT true of traditional university research、
A.It is free．
B.It is profit—driven．
C.It is widely available．
D.It is curiosity—driven．
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6At what temperature does the superconducting ceramic lose its resistance、
A.143 degree Celsius．
B.263 degree Celsius．
C.As long as it is ice-cold．
D.Absolute zero．
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7What element enables the ceramic tape to lower its temperature、
A.Copper．
B.Liquid nitrogen．．
C.Clay．
D.Calcium．
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8According to the last paragraph，which of the following statements is NOT true、
A.Other cities hope they Can also conserve power．
B.Other cities hope they Can use superconducting cables soon．
C.Superconductors waste less power because of their low resistance．
D.The Fribie experiment is not successful．
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9According to the passage，the science of the future is likely to be
A.electronics．
B.biotechnology．
C.genetic engineering．
D.nuclear technology．
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10Organic chemistry helps to produce materials that are
A.as good as w001.
B.as good as an insect’s body．
C.not as good as natural materials．
D.better than natural materials．
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