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How does it happen that children learn their mother tongue so well 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 account for this difference
What may happen in most eases when a grow-up tries to learn a foreign language

A. He succeeds in a complete mastery of the language.
B. He develops full knowledge of the language.
C. He develops an inexact command of the language.
D. He confuses his mother tongue with the foreign languag
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Every year earthquakes are responsible for a large number of deaths and a vast amount of destruction in various parts of the world. Most of these damaging earthquakes occur either in a narrow belt which surrounds the Pacific Ocean or. in a line which extends from Burma to the Alps in Europe. Some of the destruction is directly caused by the quake itself. An example of this is the collapse of buildings as a result of the quake itself. Other damage results from landslides or major fires which are initiated by the quake. Many damaging earthquakes occur
A. under the Pacific Ocean.
B. near Alps in Europe.
C. in a strip around the Pacific.
D. ill Burm
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He found that cool weather is much more favorable for creative thinking than is summer heat. This does not mean that all people are less intelligent in the summer than they are during the rest of the year. It does mean, however, that the mental abilities of large numbers of people tend to be lowest in the summer. Spring appears to be the best period of the year for thinking. One reason may be that in the spring man’s mental abilities are affected by the same factors that bring about great changes in all of nature. Fall is the next best season, then winter. As for summer, it seems to be a good time to take a long vacation from thinking. Most people’s mental abilities seem to be highest
A. in spring.
B. in summer.
C. in fall.
D. in winter.
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