题目内容
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We were all there when the accident occurred.
A．happened
B．broke
C．spread
D．appeared
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更多“We were all there when the accident occurred.A．happenedB．brokeC．spreadD．appeared”相关的问题
A Society Without a Formal Authority
In the seventeenth century, European soldiers who came across soreS'Indian groups in the western Great Lakes round that several native tdbes （部落） were living in the area without a formal leadership system. They appeared to be "quite fridendly with each other without a formal authority"
Not only did the Indians appear to lack a formal system.of authority, but they also deeply hated any efforts to control their actions. All members of the tribes knew what was required of them by lifelong （一生的） familiarity with the tasks of the area. These tasks tended to be simple, since the indians' rate of social change was slow. Thus, although subgroups such as soldiers had recognized leaders, no real authority was required.
Rather than giving direct orders （which were considered rough）, members of the tribes would arouse others to action by examples.
It would be difficult, if not impossible, to carry out such asystem in our own society.Most of us have grown up under one authority or another for as long as we can remember. Our parents, our teachers, our bosses, our government all have the recognized right under certain conditions to tell us what to do. The authority is so much a part of our culture that it is hard for us to imagine a workable society without it. We have been used to relying on authority to get things done and would probably be uncomfortable with the Indian methods of examples on a large scale.Of course, the major reason why the Indian system would not be suitable for us is that our society is too large. The number of tasks that various members of our scciety have to perform. often under tight time and resource limitations could not be treaed by the indian system. In modern societies, the formal authority system is necessary to achieve any social objectives.第 28 题 Which of the following statements about the European soldiers is correct？
A．They had no leaders.
B．They treated the Indian groups well.
C．They came across some Indian groups.
D．They found the Indian groups friendly to them.
Life on Other Planets
In 1961, scientists set up a gigantic, sensitive apparatus to collect radio waves from the far roaches of space, hoping to discover in them some mathematical pattern indicating that the waves were sent out by other intelligent beings. The first at tempt failed; but someday the experiment may succeed.
But is there intelligent life？ Life that has reached the stage of being able to send radio waves out-into space in a planned pattern？ Our own planet may have been in existence for five billion years and may have had life on it for two billion, but it is only in the last fifty years that intelligent life capable of sending radio waves into space has lived on earth. From this it might seem that even if there were no technical problems involved, the chance of receiving signals from any particular earth-type planet would be extremely small.
This does not mean that intelligent life at our level does not exist somewhere. There is such an unimaginable number of stars that, even with only a small chance, it seems certain that there are millions of intelligent life forms scattered through space. The only trouble is, none may be within hailing distance of us. Perhaps none ever will be; perhaps the huge distances that separate us from our fellow inhabitants of this universe will forever remain too great to be conquered. And yet it is conceivable that someday we may come across one of them or, frighteningly, one of them may come across us. What would they be bike, these extraterrestrial creatures？
Surely, it would seem, there is no way of telling. Here on earth alone, life has developed in many directions, taking on forms that could scarcely be invented by the wildest imagination if they were not already known to exist.
Who would dream that a mouse could fly if he had never seen a bat？ Who would predict blind lizards living in caves, or worms living in the intestines of other creatures？ Consider the giraffe, the humming-bird, the redwood tree, the Venus' flytrap, and see whether you can imagine any limit to various forms of life. Then how can anyone predict anything at all a bout extraterrestrial beings？
Ah, but all these variations and modifications that exist on earth are in some ways only superficial. In the chemist's test tube, all amazing differences in life forms vanish when we consider the basic similarity of those life forms, which is neither exciting nor amazing. Whatever appearance earth creatures may have, they are all made up of the same kinds of complex molecules; with minor variations, they all make use of the same chemical machinery.
For all its wonderful differences, life on earth is merely an imaginative variation on a single chemical structure. Life on any earthlike planet may prove to be similar.
As we understand life, it consists of molecules large enough and complex enough to meet the infinitely flexible requirements of living tissue. The molecules must be stable enough to retain their structure under some conditions, and unstable enough to change kaleidoscopically under other conditions. In living things on earth, the most important molecules of this type are the proteins, and as far as we know, nothing will substitute for them.
Furthermore, the changes these proteins undergo in the process of living can only take place against a watery back ground. Life began in the oceans, and even the various forms of land life are still from 50 to 80 percent water.
The chemical structure, then, upon which life is based, here and possibly on all earth-type planets, is protein-in water. If we are ever to meet up with creatures from an earth-type planet, we may not be able to predict their appearance, but we can predict that, whatever their shape, they will very likely be protein-in-water.
But what about life on planets that are not like the earth？ Wh
A．Y
B．N
C．NG
听力原文：W: Shall I call to inform. you of the meeting when it is over？
M: By all means.
What do we learn from the man's response？
A．He would like to talk it over with the woman.
B．He doesn't like to hear about the meeting at all.
C．He would like to be informed of the meeting.
D．He would rather not be told of the meeting.
听力原文：W: Did you go shopping this afternoon？
M: Yes, but all I got was a sore foot.
Q: What can we infer from the conversation？
(8)
A．He didn't buy anything.
B．He got some medicine for his foot.
C．He was sick and couldn't go shopping.
D．He bought everything except the football.
We were all _______ by the speech given by the blind girl yesterday
A、moving
B、move
C、to move
D、moved
We were all overjoyed at the news ______ the experiment turned out a success.
A．which
B．that
C．when
D．what
When we were students we often stay up all night.
A、will
B、would
C、should
A.which
B.that
C.if
D.what
We were all surprised __________________ (当他宣布马上要辞职时).
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