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发表于 2017-8-6 15:23:33
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45.
Not everything that affects the body during space flight is related solely to weightlessness. Also affected, for example, are the immune system and the multiple systems responsible for the amount and quality of sleep(light levels and work schedules disrupt the body’s normal rhythms). Looking out the spacecraft window just before going to sleep(an action difficult to resist, considering the view) can let enough bright light into the eye to trigger just the wrong brain response, leading to poor sleep. As time goes on, the sleep debt accumulates。
For long space voyages, travelers must also face being confined in a tight volume, unable to escape, isolated from the normal life of Earth, living with a small, fixed group of companions who often come from different cultures. These challenges can lead to anxiety, depression, crew tension and other social issues, which affect astronauts just as much as weightlessness—perhaps even more. Because these factors operate at the same time the body is adapting to other environmental changes, it may not be clear which physiological changes result from which factors. Much work remains to be done.
Passage 3
Directions: you are going to read a list of headings and a about what personal qualities a teacher should have. Choose the most suitable heading from the list A-F for each numbered paragraph (41-45). There is one extra heading which you do not need to use. Mark your answer on ANSWER SHEET 1. (10 points)
A) It’s the teacher’s obligation to be upright.
B) Good characteristics are important.
C) Teachers should show endurance.
D) Teachers can make quick adjustment.
E) Teachers should never stop learning.
F) Teachers should identify with students.
G) Teachers’ duties are given by government.
Here I want to try to give you an answer to the question: What personal qualities are desirable in a teacher? Probably mp two people would draw up exactly similar lists, but I think the following would be generally accepted.
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First, the teacher’s personality should be pleasantly live and attractive. This does not rule out people who are physically plain, or even ugly, because many such have great personal charm. But it does rule out such type as the over-excitable, melancholy, frigid, sarcastic, cynical, frustrated, and over-bearing: I would say too, that it excludes all of dull or purely negative personality. I still stick to what I said in my earlier book: “that school children probably suffer more from ‘bores than from brutes’”.
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Secondly, it is not merely desirable but essential for a teacher to have genuine capacity for sympathy---in the literal meaning of that word: a capacity to tune into the minds and feelings of other people, especially, since most teachers are school teachers, to the minds and feelings of children. Closely related with this is the capacity to be tolerant--- not, indeed, of what is wrong, but of the frailty and immaturity of human nature which induce people and again especially children, to make mistakes.
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Thirdly, I hold it essential for a teacher to be both intellectually and morally honest. This does not mean being a plaster saint. It means that he will be aware of his intellectual strengths and limitations, and will have thought about and decided upon the moral principles by which his life shall be guided. There is no contradiction in my going on to say that a teacher should be a bit of an actor. That is part of the technique of teaching, which demands that every now and then a teacher should be able to put on an act--- to enliven a lesson, correct a fault, or award praise. Children, especially young children, live in a world that is rather larger than life.
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A teacher must remain mentally alert. He will not get into the profession if of low intelligence, but it is all too easy, even for people of above- average intelligence, to stagnate intellectually ---and that means to deteriorate intellectually. A teacher must be quick to adapt himself to any situation, however improbable and able to improvise, if necessary at less than a moment’s notice.
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On the other hand, a teacher must be capable of infinite patience. This, I ust say, is largely a matter of self-discipline and self-training; we are none of us born like that. He must be pretty resilient; teaching makes great demands on nervous energy. And should be able to take in his stride the innumerable pretty irritations any adult dealing with children has to endure.
Finally, I think a teacher should have the kind of mind which always wants to go on learning. Teaching is a job at which one will never be perfect; there is always something more to learn about it. There are three principal objects of study: the subject, or subjects, which the teacher is teaching; the method by which they can best be taught to the particular pupils in the classes he is teaching; and ---by far the most important---the children, young people, or adults to whom they are to be taught. The two cardinal principles of British education today are that education is education of the whole person, and that it is best acquired through full and active co-operation between two persons, the teacher and the learner.
Passage 4
Directions:You are going to read a list of headings and a about teaching a second language. Choose the most suitable heading from the list A-F for each numbered paragraph (41-45).The first and last paragraphs of the are not numbered. There are two extra headings which you do not need to use. Mark your answers on ANSWER SHEET l. (10 points)
A) Asking for parental involvement
B) Setting up small groups
C) Making classroom events predictable
D) Extending the patterns of classroom communications
E) Supporting students’ use of language for second language acquisition
F) Encouraging students to use models
G) Allowing variability in the patterns of classroom communications
How to Teach a Second Language
It should be evident that the way in which the patterns of communication are established and maintained in second language classroom is not random. Teachers, by virtue of the status they hold and the ways they use language, have the authority to retain control over both the content and structure of classroom communication. At times, teachers tightly control the topic of discussion, what counts as relevant to that topic, who may participate and when. At other times, teachers grant a varying degree of control to their students by allowing them to select when and how they will participate. Thus, the patterns of classroom communication depend largely on how teachers use language to control the structure and content of classroom events.
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