阅读难点关键句200句（一）

　　13. We are, however, not the less obliged by your kind offer, though we refuse to accept it; and, to show our grateful sense of it, if the gentlemen of Virginia will send us a dozen of their sons, we will take care of their education, teach them in all we know , and make men of them.

　　14. In what now seems like the prehistoric times of computer history, the earth’s postwar era, there was quite a wide-spread concern that computers would take over the world from man one day.

　　15. Already today, less than forty years later, as computers are relieving us of more and more of the routine tasks in business and in our personal lives. We are faced with a less dramatic but also less foreseen problem.

　　16. Obviously, there would be no point in investing in a computer if you had to check all its answers, but people should also rely on their own internal computers and check the machine when they have the feeling that something has gone wrong.

　　17. Certainly Newton considered some theoretical aspects of it in his writings, but he was reluctant to go to sea to further his work.

　　18. For most people the sea was remote, and with the exception of early intercontinental travellers or others who earned a living from the sea, there was little reason to ask many questions about it , let alone to ask what lay beneath the surface.

　　19. The first time that the question “ What is at the bottom of the oceans?” had to be answered with any commercial consequence was when the laying of a telegraph cable from Europe to America was proposed.

　　20. At the early attempts, the cable failed and when it was taken out for repairs it was found to be covered in living growths, a fact which defied contemporary scientific opinion that there was no life in the deeper parts of the sea.

　　21. For every course that he follows a student is given a grade, which is recorded, and the record is available for the student to show to prospective employers.

　　22. All this imposes a constant pressure and strain of work, but in spite of this some students still find time for great activity in student affairs.

　　23. The effective work of maintaining discipline is usually performed by students who advise the academic authorities.

　　24. Much family quarrelling ends when husbands and wives realize what these energy cycles mean, and which cycle each member of the family has.

　　25. Whenever possible, do routine work in the afternoon and save tasks requiring more energy or concentration for your sharper hours.

　　26. We also value personal qualities and social skills, and we find that mixed-ability teaching contributes to all these aspects of learning.

　　27. They also learn how to cope with personal problems as well as learning how to think, to make decisions, to analyse and evaluate, and to communicate effectively.

　　28. The problem is, how to encourage a child to express himself freely and confidently in writing without holding him back with the complexities of spelling?

　　29. It may have been a sharp criticism of the pupil’s technical abilities in writing, but it was also a sad reflection on the teacher who had omitted to read the essay, which contained some beautiful expressions of the child’s deep feelings.

　　30. The teacher was not wrong to draw attention to the errors, but if his priorities had centred on the child’s ideas, an expression of his disappointment with the presentation would have given the pupil more motivation to seek improvement.

　　31. Given the nature of government and private employers, it seems most likely that discrimination by private employers would be greater.

　　32. The release of the carbon in these compounds for recycling depends almost entirely on the action of both aerobic and anaerobic bacteria and certain types of fungi.

　　33. A spirited discussion springs up between a young girl who says that women have outgrown the jumping-on-a-chair-at-the-sight-of-a mouse era and a major who says that they haven’t.

　　34. They are trying to find out whether there is something about the way we teach language to children which in fact prevents children from learning sooner.

　　35. Mathematicians who have tried to use the computers to copy the way the brain works have found that even using the latest electronic equipment they would have to build a computer which weighed over 10,000 kilos.

　　36. Since different people like to do so many different things in their spare time, we could make a long list of hobbies, taking in everything from collecting matchboxes and raising rare fish, to learning about the stars and making model ships.

　　37. They know that a seal swimming under the ice will keep a breathing hole open by its warm breath, so they will wait beside the hole and kill it.

　　38. We may be able to decide whether someone is white only by seeing if they have none of the features that would mark them clearly as a member of another race.

　　39. Although signs of dishonesty in school , business and government seem much more numerous in years than in the past, could it be that we are getting better at revealing such dishonesty?

　　40. It is not quite a matter of disagreeing with the theory of independence, but of rejecting its implications: that the romances may be taken in any or no particular order, that they have no cumulative effect, and that they are as separate as the works of a modern novelist.

　　41. His thesis works relatively well when applied to discrimination against Blacks in the United States, but his definition of racial prejudice as “ racially-based negative prejudgments against a group generally accepted as a race in any given region of ethnic competition,” can be interpreted as also including hostility toward such ethnic groups as the Chinese in California and the Jews in medieval Europe.