题目内容
（请给出正确答案）
Although we all depend on the resources of nature for our survival, _______.
A．industrial products are replacing all our natural resources
B．it is only on islands that nature survives
C．we have forgotten what our original countryside looked like
D．we have allowed large areas of countryside to be spoilt by industrial development
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更多“Although we all depend on the …”相关的问题
Although we all depend on the resources of nature for our survival, ______.
A．industrial products are replacing all our natural resources
B．it is only on islands that nature survives
C．we have forgotten what our original countryside looked like
D．we have allowed large areas of countryside to be spoilt by industrial development
Food and Health
The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to the diet as well, especially cancer of the colon (结肠). Different cultures are more likely to develop certain illnesses because of the food that is characteristic in these cultures. That food is related to illness is not a new discovery. In 1945, government researchers realized that nitrates (硝酸盐)commonly used to preserve color in meats, and other food additives, accused cancer. Yet, these additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin(青霉素) to beef and poultry(家禽),and because of this, penicillin has been found in the milk of treated cows. Sometimes similar drags are administered to animals not for medicinal purposes, hut for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration(FDA) has tried repeatedly to control these procedures, the practices continue.
As a result of scientific intervention (介入) ,some harmful substances have been added to our food.
A．Right
B．Wrong
C．Not mentioned
Bees and Color
On our table in the garden we put a blue card, and all around this blue card we put a number of different gray cards. These gray cards are of all possible shades of gray land include white and black. on each card a watch-glass is placed .The watch-glass on the blue card has some syrup (果汁) in it; all the others are empty. After a short time bees find the syrup, and they come for it again and again. Then, after some hours, we take away the watch-glass of syrup which was on the bluecard and put an empty one in its place.
Now what do the bees do？ They still go straight to the blue card, although there is no syrup there. They do not go to any of the gray cards, in spite of the fact that one of the gray cards is of exactly the same brightness as the blue card. Thus the bees do not mistake any shade of gray. for blue. In his way we have proved that they do really see blue as a color.
We can find out in just the same way what other colors bees can see. It turns out that bees can see various colors, but these insects differ from us as regards their color-sense in two very interesting ways. Suppose we train bees to come to a red card, and, having done so, we put the red card on the table in the garden among the set of different gray cards. This time we find that the bees mistake red for dark gray or black. They cannot distinguish between them. This means that red is not a color at all for bees; for them it is just dark gray or black.
That is one strange fact; here is another. A rainbow is red on one edge, violet on the other. Outside the violet of the rainbow there is another color which we cannot see at all. This color beyond the violet, invisible to us, is called the ultra-violet. Although it is invisible, we know that the ultra -violet is there because it affects a photographic plate. Now, although we are unable to see ultra -violet light, bees can do so; for them ultra -violet is a colon Thus bees see a color which we cannot even imagine. This has been found out by training bees to come for syrup to various parts of a spectrum, or artificial rainbow, thrown by a prism on a table in a dark room. In such an experiment the insects can be taught to fly to the ultra-violet, which for us is just darkness.
Experiment with bees described in the first and second paragraphs tell us that bees regard blue as a colon
A．True
B．False
C．Not mentioned
【C1】
A．given
B．provided
C．granted
D．presented
What issue does the speaker address？
A．Falling sales
B．Declining profits
C．Growing competition
D．Increased customer demand
听力原文： The food we eat seems to have produced profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that eight percent of all human illnesses are related to diet and forty percent of cancer is relined to the diet as well, especially cancer of the colon (结肠). Different cultures are more prone to contract certain illness became of the food that is characteristic in these cultures. That food is related to illness is not a new discovery. In 1945, government researchers realized that nitrates (硝酸盐) and nitrites (亚硝酸盐), commonly used to preserve color in meats, and other food additives, caused cancer. Yet, these additives remain in our food, and it becomes more difficult to know which things on the packaging labels of processed foods are helpful or harmful. The additives that we eat are not all so direct. Farmers often give penicillin to beef and administered to animals not for medical purposes, but for financial reasons. The farmers are simply trying to fatten the animal in order to obtain a higher price on the market, Although the Food and Drug Administration has repeatedly tried to control these procedures, the practices continue.
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A．It has made many additives.
B．It has caused most cancers.
C．It makes some cultures more prone to cancer.
D．It has made many foods unfit to eat.
Sleepwalking (梦游)
Not all sleep is the same every night. We experience some deep, quiet sleep and some active sleep, which is when dreams happen. You might think sleepwalking would happen during active sleep, but a person isn't physically active during active sleep. Sleepwalking usually happens in the first few hours of sleep in the stage called slow-wave or deep sleep.
Not all sleepwalkers actually walk. Some simply sit up or stand in bed or act like they're awake when in fact, they're asleep! Most, however, do get up and move around for a few seconds or for as long as half an hour.
Sleepwalkers' eyes are open, but they don't see the same way they do when they're awake and often think they're in different rooms of the house or different places altogether'. Sleepwalkers tend to go back to bed on their own and they won't remember it in the morning.
Researchers estimate that about 15% of kids sleepwalk regularly. Sleepwalking may run in families (在家族中世代相传) and sometimes occurs when a person is sick, has a fever, is not getting enough sleep, or is stressed (紧张).
If sleepwalking occurs frequently, every night or so, it's a good idea for your mom or dad to take you to see your doctor. But occasional sleepwalking generally isn't something to worry about, although it may look funny or even scary (骇人的) for the people who see a sleepwalker in action.
Although occasional sleepwalking isn't a big deal, it's important, of course, that the person is kept safe. Precautions (预防措施) should be taken so the person is less likely to fall down, run into something, or walk out the front door while sleepwalking.
When does sleepwalking usually occur？
A．During active sleep.
B．During deep sleep.
C．In the daytime.
D．In the early morning.
Naturally, children begin listening to their parents when they are babies. They are often【C5】______, spoken to and admired【C6】______any response expected. Though nobody knows【C7】______the baby understands the spoken words, the【C8】______continues. Children automatically【C9】______such language over some time, and【C10】______on gradually produce it through【C11】______experience. The production may be incomplete at first, but【C12】______at last. That leads to speaking skill,【C13】______is quite applicable to daily conversation.
In learning English, listening can help improve speaking【C14】______. Although it is the first of all skills, it is neither the【C15】______nor the most meaningless. We need to【C16】______various types of English repeatedly and【C17】______if we want to communicate properly, meaningfully and naturally.
Listening can be a good【C18】______while we do other things like cooking. In【C19】______words, we have no wasted time【C20】______.
【C1】
A．namely
B．name
C．naming
D．named
听力原文： We are now living in a world in which robots are taking over much of the work.Robots make our cars, fly our planes and work out wages.
But these robots are not mechanical men and women.They do not look like us.They are machines specially built to do some of the things that human beings can.
Although they may not look like us,robots need some human features in order to be able to do human work.First of all they need some kind of brain.Their "brain" is a computer,which has a memory to human member instructions and ability to control other equipment.Another essential feature of many robots is an arm that can do the kind of things that human beings can with their arms.One-armed robots are now coming into widespread use in industry.They are being used,for example,on car assembly lines.
The great advantage of robots over human workers is that they can work non-stop for long periods. They never get tired,and always work with the same accuracy.They can also work in conditions that humans could not bear.Last but not least,as more robots are built,their cost will come down.
Although robots are rapidly taking over many jobs in industry, they seem a long way from taking over in the home. The problem is that it would take a very complex and costly robot to perform. half the tasks involved in housework.
According to the speaker,what can the present-day robots do？
A．Drive cars.
B．Fly planes.
C．Pay wages.
D．Repair machines.
&8226;Read the text below about time management.
&8226;In most of the lines (41-52) there is one extra word. It is either grammatically incorrect or does not fit in with the sense of the text. Some lines, however, are correct.
&8226;If a line is correct, write CORRECT on your Answer Sheet.
&8226;If there is an extra word in the line, write the extra word in CAPITAL LETTERS on your Answer Sheet.
EFFECTIVE TIME MANAGEMENT
All too often, work seems like to take over a disproportionate part of our lives,with the result that we are not able to see our friends or families as often as
41 we would like and we have little time for relaxation. Although one of the
42 consequences of poor time management for many of us is that it tips over our
43 lives out of balance so that we don't pay enough attention to the things that
44 are really important to achieve them. But the paradox is that when work
45 dominates on the horizon to such an overwhelming extent, we are probably
46 being neither as efficient nor as effective at work as we could be with a
47 better organised lifestyle. If we constantly feel under the pressure and are
48 always rushing to meet deadlines, we should take up a look at the way we
49 are organising our work. We all have limits on the amount of time and within
50 which we can do a good job; it's more important to make use that time well than
51 to work more hours. There are various techniques, such as delegating to each
52 others and by reducing interruptions, that are commonly used for managing time, and when we put these into practice, we will soon notice the difference.
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