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- 21Rescue vehicles had a hard time getting to people.
A.Right
B.Wrong
C.Not mentioned
开始考试练习点击查看答案 - 22Several people were missing during the storm.
A.Right
B.Wrong
C.Not mentioned
开始考试练习点击查看答案 - 23What factor can be attributed to German prosperity、
A.Technology transfer.
B.Good management
C.Hard work.
D.Fierce competition
开始考试练习点击查看答案 - 24Which 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.
开始考试练习点击查看答案 - 25The Fraunhofer Society is the largest organisation for applied technology in
A.Asia.
B.USA.
C.Europe.
D.Africa.
开始考试练习点击查看答案 - 26When was the Fraunhofer Society founded、
A.In 1940.
B.Last year.
C.After the unification.
D.In 1949.
开始考试练习点击查看答案 - 27The word “expertise’’ in line 3 could be best replaced by
A.“experts”.
B.“scientists”. .
C.“scholars”.
D.“special knowledge”.
开始考试练习点击查看答案 - 28What 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
开始考试练习点击查看答案 - 29Compared to common electrical conductors,superconductors
A.have little or no electrical resistance.
B.Can be used for along time.
C.are not energy-efficient.
D.can be made easily.
开始考试练习点击查看答案 - 30At 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.
开始考试练习点击查看答案
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