Fat cannot change into muscle （ ）muscle changes into fat
A.any more than B.no more than C.no less than D.much more
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Fat cannot change into muscle （ ）muscle changes into fat
One of the chief functions of education is to equip fbture citizens with all they require to take their place in adult society. Now adult society is made up of men and women, so how can a segregated school possibly offer the right sort of preparation for it? Anyone entering adult society after years of segregation can only be in fora shock.A co-educational school offers children nothing less than a true version of society in miniature.Boys and girls are given the opportunity to get to know each other, to learn to live together from their earliest years. They are put in a position where they can compare themselves with each other in terms of academic ability, athletic achievement and many of the extra-curricular activities which are part of school life. What a practical advantage it is to be able to put on a school play in which the male parts will be taken by boys and the female parts by girls!But perhaps the greatest contribution of co-education is the healthy attitude to life it encourages. Boys don’t grow up believing that women are mysterious creatures-airy goddesses, more like book-illustrations to a fairy-tale, than human beings. Girls don’t grow up imagining that men are romantic heroes. Years of living together at school dismiss such illusions. The awkward stage of adolescence brings into sharp focus some of the’ physical and emotional problems involved in growing up. These can better be overcome in a co-educational environment. When the time comes for the pupils to leave school, they are fully prepared to enter society as well-adjusted adults. They have already had years of experience in coping with many of the problems that face men and women.1.What does co-education offer to children?2.What does the word “segregated” (Para. 1) probably mean?3.According to the passage, what is one of the chief aims of education?4.Why don’t boys and girls in co-education have illusions about each other?
Pure naphtha is highly explosive if （ ）to an open flame.
He plays tennis to the （ ）of all other sports.
No other country spends what we do per capita for medical care. The care available is among the best technically, even if used too lavishly and thus dangerously, but none of the countries that stand above us in health status have such a high proportion of medically disenfranchised persons. Given the evidence that medical care is not that valuable and access to care not that bad, it seems most unlikely that our bad showing is caused by the significant proportion who are poorly served. Other hypotheses have greater explanatory power: excessive poverty, both actual and relative, and excessive affluence.Excessive poverty is probably more prevalent in the U.S. than in any of the countries that have a better infant mortality rate and female life expectancy at birth. This is probably true also for all but four or five of the countries with a longer male life expectancy. In the notably poor countries that exceed us in male survival, difficult living conditions are a more accepted way of life and in several of them, a good basic diet, basic medical care and basic education, and lifelong employment opportunities are an everyday fact of life. In the U.S. a national unemployment level of 10 percent may be 40 percent in the ghetto while less than 4 percent elsewhere. The countries that have surpassed us in health do not have such severe or entrenched problems. Nor are such a high proportion of their people involved in them.Excessive affluence is not so obvious a cause of ill health, but, at least until recently, few other nations could afford such unhealthful ways of living. Excessive intake of animal protein and fats, dangerous intake of alcohol and use of tobacco and drugs (prescribed and proscribed), and dangerous recreational sports and driving habits are all possible only because of affluence. Our heritage, desires, opportunities, and our machismo, combined with the relatively low cost of bad foods and speedy vehicles, make us particularly vulnerable to our affluence. And those who are not affluent try harder. Our unacceptable health status, then, will not be improved appreciably by expanded medical resources not by their redistribution so much as by a general attempt to improve the quality of life for all.1.All of the following are mentioned in the passage as factors affecting the health of the population EXCEPT （ ）.2.The author is primarily concerned with （ ）.3.The author refers to the excessive intake by Americans of alcohol and tobacco and drug use in order to（ ）.
That trumpet player was certainly loud. But I wasn’t bothered by his loudness （ ）by his lack of talent.