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在双代号时标网络计划中,以( )表示工作。

A. 波形线
B. 实箭线
C. 虚箭线
D. 节点

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Education is too important to take (1) , when people take anything for seriously, they put (2) blinders which cause them to miss the important aspects of (3) is going on around them. They (4) "tunnel vision," which limits and distorts their perception of (5) Education is too important to be limited by those who have chosen to wear blinders and develop tunnel vision.I believe the (6) movement has encouraged many educators to take education too seriously. (7) we take education too seriously, we put standardized (8) scores above children, we put lesson plans above teachers, and we put on our blinders, only to see a rather small segment of the child--that segment that can be (9) easily (10) than looking at the child as a whole. By looking at the whole student, we can get a (11) of whether that student enjoys learning, (12) functioning well with others, and feels good (13) himself. How can we (14) off our blinders How can we eliminate tunnel vision to see the whole child How can we (15) take everything so seriously My recommendation is (16) laugh, teach, laugh!Psychologists have (17) believed that negative emotions cause negative chemical changes in the body. We know the (18) is also true. We know that a person with a good sense of humor has better healing (19) . Laughter actually relaxes the muscles, allows the heartbeat and lowers the blood pressure. Laughter stirs the inside and gets tile endocrine system moving, which can be quite (20) in alleviating disease. Laughter also relieves boredom, tension, guilt, depression, headaches, and backaches. 19()

A. viewed
B. measured
C. got
D. found

From the health point of view we are living in a marvelous age. We are immunized from birth against many of the most dangerous diseases. A large number of once fatal illnesses can now be cured by modern drugs and surgery. It is almost certain that one day remedies will be found for the most stubborn remaining diseases. The expectation of life has increased enormously. But though the possibility of living a long and happy life is greater than ever before, every day we witness the incredible slaughter of men, women and children on the roads. Man versus the motor-car ! It is a never-ending battle which man is losing. Thousands of people the world over are killed or horribly killed each year and we are quietly sitting back and letting it happen.It has been rightly said that when a man is sitting behind a steering wheel, his car becomes the extension of his personality. There is no doubt that the motor-car often brings out a man’s very worst qualities. People who are normally quiet and pleasant may become unrecognizable when they are behind a steering-wheel. They swear, they are ill-mannered and aggressive, willful as two-year-old and utterly selfish. All their hidden frustrations, disappointments and jealousies seem to be brought to the surface by the act of driving.The surprising thing is that society smiles so benignly on the motorist and seems to condone his behaviour. Everything is done for his convenience. Cities are allowed to become almost uninhabitable because of heavy tragic; towns are made ugly by huge car parks; the countryside is desecrated by road networks; and the mass annual slaughter becomes nothing more than a statistic, to be conveniently forgotten.It is high time a world code were created to rcduce this senseless waste of human life. With regard to driving, the laws of some countries are notoriously lax and even the strictest are not strict enough. A code which was universally accepted could only have a dramatically beneficial effect on the accident rate. Here are a few examples of some the things that might be done. The driving test should be standardized and made far more difficult than it is; all the drivers should be made to take a test every three years or so; the age at which young people are allowed to drive any vehicle should be raised to at least 21; all vehicles should be put through stringent annual tests for safety. Even the smallest amount of alcohol in the blood can impair a person’s driving ability. Present drinking and driving laws (where they exist) should be mad much stricter. Maximum and minimum speed limits should be imposed on all roads. Governments should lay down safety specifications for manufacturers, as has been done in the USA. All advertising stressing power and performance should be banned. These measures may sound inordinately harsh. But surely nothing should be considered as to severe if tit results in reducing the annual toll of human life. After all, the world is for human beings, not motor-cars. Which of the followings is NOT mentioned as a way against traffic accidents()

A. Build more highways.
B. Stricter driving tests.
C. first drivers every three years.
D. Raise age limit and lay down safety specifications.

Yet the difference in tome and language must strike us, so soon as it is philosophy that speaks: that change should remind us that even if the function of religion and that of reason coincide, this function is performed in the two cases by very different organs. Religions are many, reason one. Religion consists of conscious ideas, hopes, enthusiasms, and objects of worship; it operates by grace and flourishes by prayer. Reason, on the other hand, is a mere principle or potential order, on which indeed we may come to reflect but which exists in us ideally only, without variation or stress of any kind. We conform or do not conform to it; it does not urge or chide us, not call for any emotions on our part other than those naturally aroused by the various objects which it unfolds in their true nature and proportion. Religion brings some order into life by weighting it with new materials. Reason adds to the natural materials only the perfect order which it introduces into them. Rationality is nothing but a form, an ideal constitution which experience may more or less embody. Religion is a part of experience itself, a mass of sentiments and ideas. The one is an inviolate principle, the other a changing and struggling force. And yet this struggling and changing force of religion seems to direct man toward something eternal. It seems to make for an ultimate harmony within the soul and for an ultimate harmony between the soul and all that the soul depends upon. Religion, in its intent, is a more conscious and direct pursuit of the Life of Reason than is society, science, or art, for these approach and fill out the ideal life tentatively and piecemeal, hardly regarding the foal or caring for the ultimate justification of the instinctive aims. Religion also has an instinctive and blind side and bubbles up in all manner of chance practices and intuitions; soon, however, it feels its way toward the heart of things, and from whatever quarter it may come, veers in the direction of the ultimate.Nevertheless, we must confess that this religious pursuit of the Life of Reason has been singularly abortive. Those within the pale of each religion may prevail upon themselves, to express satisfaction with its results, thanks to fond partiality in reading the past and generous draughts of hope for the future; but any one regarding the various religions at once and comparing their achievements with what reason requires, must feel how terrible is the disappointment which they have one and all prepared for mankind. Their chief anxiety has been to offer imaginary remedies for mortal ills, some of which are incurable essentially, while others might have been really cured by well-directed effort. The Greed oracles, for instance, pretended to heal out natural ignorance, which has its appropriate though difficult cure, while the Christian vision of heaven pretended to be an antidote to our natural death--the inevitable correlate of birth and of a changing and conditioned existence. By methods of this sort little can be done for the real betterment of life. To confuse intelligence and dislocate sentiment by gratuitous fictions is a short-sighted way of pursuing happiness. Nature is soon avenged. An unhealthy exaltation and a one-sided morality have to be followed by regrettable reactions. When these come. The real rewards of life may seem vain to a relaxed vitality, and the very name of virtue may irritate young spirits untrained in and natural excellence. Thus religion too often debauches the morality it comes to sanction and impedes the science it ought to fulfill.What is the secret of this ineptitude Why does religion, so near to rationality in its purpose, fall so short of it in its results Tile answer is easy; religion pursues rationality through the imagination. When it explains events or assigns causes, it is an imaginative substitute for science. When it gives precepts, insinuates ideals, or remolds aspiration, it is an imaginative substitute for wisdom I mean for the deliberate and impartial pursuit of all food. The condition and the aims of life arc both represented in religion poetically, but this poetry tends to arrogate to itself literal truth and moral authority, neither of which it possesses. Hence the depth and importance of religion becomes intelligible no less than its contradictions and practical disasters. Its object is the same as that of reason, but its method is to proceed by intuition and by unchecked poetical conceits. As used in the passage, the author would define "wisdom" as()

A. the pursuit of rationality through imagination
B. an unemotional search for the truth
C. a purposeful and unbiased quest for what is best
D. a short-sighted way of pursuing happiness

设森林F对应的二叉树为B,它有m个节点,B的根为P,P的右子树上的节点个数为n,森林F中第一棵树的节点个数是

A. m-n-1
B. n+1
C. m-n+1
D. m-n

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