题目内容

What Dr. Reinhorn said in the last paragraph may imply all the following EXCEPT that_____.

A. blast engineers should develop new solutions for terrorist-resistant design.
B. blast engineering can borrow technologies developed for terrorist-resistant design.
C. solutions developed for earthquake-resistant design may apply to terrorist-resistant design.
D. blast engineering emerges as new branch of science.

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What did Ron's father think about his leaving school？

A. He thought his son was doing the right thing.
B. He advised him to stay at school to complete his education.
C. He did not like the idea, but he helped Ron to find work.
D. He knew there was a job for every boy who wanted one.

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Without signals from navigation satellites, the in-car computer_____.

A. would still be able to locate the car's position at all times
B. would fail to locate the car’s position
C. could still work out the best route to follow
D. would seek hetp from the radio receiver linked to it

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The use of new building materials and the introduction of such new technologies as the elevator and the air-conditioner have played an important role_____

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Why is the Native Language Learnt So Well
How does it happen that children learn their mother tongue so well7 When we compare them with adults learning a foreign language，we often find this interesting fact．A little child without knowledge or experience often succeeds in a complete mastery of the language．A grown-up person with fully developed mental powers，in most cases，may end up with a faulty and inexact command．What accounts for this difference
Despite other explanations the real answer in my opinion lies partly in the child himself，partly in the behavior. of the people around him．In the first place，the time of learning the mother tongue is the most favorable of all，namely the first years of life．A child hears it spoken from morning till night and，what is more important，always in its genuine form，With the right pronunciation，fight intonation，right use of words and right structure．He drinks in all the words arid expressions which come to him in a fresh，ever-bubbling spring．There is no resistance：there is perfect assimilation(吸收)．
Then the child has，as it were，private lessons all the year round，while an adult language-student has each week a、limited number of hours which they generally share with others．The child has another advantage：he hears the language in all possible situations。 always accompanied by the right kind of gestures and facial expressions．Here there is nothing unnatural，such as is often found in language lessons in schools，when one talks about ice and snow in June or scorching(灼热的)heat in January．And what a child hears is generally what immediately interests him. Again and again, when his attempts at speech are successful his desires are understood and fulfilled.
Finally though a child's "teachers" may not have been trained in language teaching, their relations with him are always close and personal. They take great pains to make their lessons easy.
第 20 题 Compared with adults learning a foreign language, children learn their native language with ease.

A. Right
B. Wrong
C. Not mentioned

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