A rainforest is an area covered by tall trees with the total high rainfall spreading quite equally through the year and the temperature rarely dipping below 16℃.Rainforests have a great effect on the world environment because they can take in heat from the sun and adjust the climate.Without the forest cover，these areas would reflect more heat into the atmosphere，warming the rest of the world.Losing the rainforests may also influence wind and rainfall patterns，potentially causing certain natural disasters all over the world.
In the past hundred years，humans have begun destroying rainforests in search of three major resources(资源)：land for crops，wood for paper and other products，land for raising farm animals.This action affects the environment as a whole.For example，a lot of carbon dioxide(二氧化碳)in the air comes from burning the rainforests.People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit.
There are two main reasons for this.Firstly，when people cut down trees，generally they can only use the land for a year or two.Secondly，cutting large sections of rainforests may provide a good supply of wood right now，but in the long run it actually reduces the world's wood supply.
Rainforests are often called the world's drug store.More than 25% of the medicines we use today come from plants in rainforests.However，fewer than 1%of rainforest plants have been examined for their medical value.It is extremely likely that our best chance to cure diseases lies somewhere in the world's shrinking rainforests.
【小题1】Rainforests can help to adjust the climate because they ______.
| A．reflect more heat into the atmosphere |
| B．reduce the effect of heat from the sun on the earth |
| C．bring about high rainfall throughout the world |
| D．rarely cause the temperature to drop lower than 16℃ |
| A．Humans have begun destroying rainforests. |
| B．People have a strong desire for resources. |
| C．We will lose much more than we can gain. |
| D．Much carbon dioxide comes from burning rainforests. |
| A．we can get enough resources without rainforests |
| B．we will grow fewer kinds of crops in the gained land |
| C．the level of annual rainfall affects wind patterns |
| D．there is great medicine potential in rainforests |
| A．Rainforests and the Environment |
| B．How to Save Rainforests |
| C．How to Protect Nature |
| D．Rainforests and Medical Development |
【小题1】B
【小题2】C
【小题3】D
【小题4】A
解析试题分析：热带雨林对世界环境有很大影响，因为他们能够调节气候，文章介绍了失去热带雨林的危害。
【小题1】细节理解题。文中提到because they can take in heat from the sun and adjust the climate,由此可知，雨林能调节气候是因为他们吸收了来自太阳的热量。与B项意思一致。
【小题2】词义猜测题。It指前一句的意思：People obviously have a need for the resources we gain from cutting trees but we will suffer much more than we will benefit砍伐热带雨林带来好处，但是坏处更多。与C项意思一致。
【小题3】推理判断题。最后一段的大意是：我们今天使用的药物的25%以上来自雨林中的植物。然而，被检测出他们 药用价值的热带雨林植物还不到1%。我们治愈某种疾病极有可能就在不断缩小的雨林里，与D项意思一致。
【小题4】主旨大意题。根据开头的Rainforests have a great effect on the world environment可知，雨林与环境的关系密切，所以选A
考点：考查环保类短文
名校课堂系列答案科目：高中英语 来源： 题型：阅读理解
Very old people do raise moral problems for almost everyone who comes in contact with them. Their values—this can't be repeated too often—are not necessarily our values. Physical comfort, cleanness and order are not necessarily the most important things. The social services from time to time find themselves faced with a flat with decaying(腐烂) food covered by small worms, and an old person lying alone in bed, taking no notice of the worms. But is it interfering (妨碍) with personal freedom to insist that they go to live with some of their relatives so that they might be taken better care of? Some social workers, the ones who clear up the worms, think we are in danger of carrying this concept of personal freedom to the point where serious risks are being taken with the health and safety of the old.
Indeed, the old can be easily hurt or harmed. The body is like a car, it needs more mechanical(机械的）maintenance (保养）as it gets older. You can carry this comparison right through to the provision(提供)of spare parts. But never forget that such operations are painful experiences, however good the results. And at what point should you stop treating the old body? Is it morally right to try to push off death by pursuing the development of drugs to excite the forgetful old mind and to activate the old body, knowing that it is designed to die? You cannot ask doctors or scientists to decide, because so long as they can see the technical opportunities, they will feel bound to give them a try, on the principle that while there's life, there's hope.
When you talk to the old people, however, you are forced to the conclusion that whether age is happy or unpleasant depends less on money or on health than it does on your ability to have fun.
【小题1】It is implied in Paragraph 1 that______.
| A．very old people are able to keep their rooms very clean |
| B．social services have nothing to do with very old people |
| C．very old people enjoy living with their relatives |
| D．very old people would like to live alone so that they can have more personal freedom |
| A．personal freedom is more important than health and safety |
| B．health and safety are more important than personal freedom |
| C．old people should keep their rooms clean |
| D．one should not take the risk of dealing with old people |
| A．medical decisions for old people should be left to the doctors |
| B．old people can enjoy a happy life only if they are very rich |
| C．it is always morally right to treat old people and push off death |
| D．the opinion that we should try every means possible to save old people is doubtful |
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科目：高中英语 来源： 题型：阅读理解
There are two dangers to be guarded against in old age. One of these is undue absorption in the past. It does not do to live in memories, in regrets for the good old days, or in sadness about friends who are dead. One’s thoughts must be directed to the future and to things about which there is something to be done.
It is unwise to be too attached to the youth in the hope of sucking vigor from its vitality. When your children are grown up they want to live their own lives, and if you continue to be as interested in them as you were when they were young, you are likely to become a burden to them, unless they are cold to you.
I think that a successful old age is easiest for those who have strong impersonal interests involving appropriate activities. It is in this sphere that long experience is really fruitful, and it is in this sphere that the wisdom born of experience can be exercised without being oppressive. It is no use telling grown-up children not to make mistakes, both because they will not believe you, and because mistakes are an essential part of education. But if you are one of those who are incapable of impersonal interests, you may find that your life will be empty unless you concern yourself with you children and grandchildren. In that case you must realize that while you can still render them material services, such as making them an allowance or knitting them jumpers, you must not expect that they will enjoy your company.
Some old people are afraid of death. But in fact the best way is to make your interests gradually wider and ore impersonal. An individual human existence should be like a river-small at fist, rushing passionately past rocks and over waterfalls. Gradually the river grows wider and the banks move back and in the end they become mixed in the sea without any visible break.
The old man who can see life in this way will not suffer from the fear of growing old and death.
【小题1】The author suggests that old people should_______.
| A．develop impersonal interests with proper activities. |
| B．tell their children not to make mistakes |
| C．concern themselves with their children |
| D．not give their children an allowance |
| A．return | B．reward | C．offer | D．demand |
| A．Life is like a river, first small, and then it becomes wide |
| B．life is like a river finally flowing into the sea |
| C．old age and death are both natural just like a river |
| D．old people will be mixed in the crowd like a river mixed in the sea |
| A．Setting Sun Is Beautiful | B．Growing Old Successfully |
| C．Why Fear Getting Old | D．Caring for Olds More |
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科目：高中英语 来源： 题型：完型填空
Electrical devices(仪器)could soon use power made by human energy. Scientists say
they have developed an experimental device that produces electricity from the physical movement of a person walking. British scientist Max Donelan and other scientists in Canada and the United States developed the device.
The device connects to a person’s knee. As the person walks, the device captures energy each time the person slows down. To do this, the device helps with the slowing down movement of the leg. The movements of the walking person push parts of a small machine
that produces electricity. Using the device, an adult walking quickly could produce thirteen watts of electricity in just a minute. Donelan says walking at that speed could produce enough power to operate a laptop computer for six minutes.
There are several possible uses for the device. Developers say it could help people who work in areas without electricity to operate small computers. The device could also be used in hospitals to operate heart pacemakers(起搏器). It could even be used to assist in the movement of robotic arms and legs.
The experimental version of the device weighs about one and a half kilograms, but it is too costly for most people to buy. But the researchers hope to make a lighter, less costly version. An improved version shou1d be ready in one year.
The developers hope the device will one day help developing countries. Near1y twenty five percent of people around the world live without electric power.
A similar product was invented in 2005 by Larry Rome of the University of Pennsylvania. He created a bag carried on a person’s back that also produces power from wa1king.
The knee device does not produce as much electricity as the bag. But the bag requires the walker to carry a load of twenty to thirty kilograms.
【小题1】The second paragraph mainly talks about .
| A．who developed the device |
| B．how the device works |
| C．several possible uses for the devices |
| D．how much electricity the device can produce |
| A．It is too heavy for the walker to bear. |
| B．It is too complex for people to use. |
| C．It is too expensive for most people to afford. |
| D．It will slow down one’s walking speed. |
| A．produces power without adding more loads to the walker |
| B．can produce more power in a much shorter time |
| C．needs to be equipped with a battery |
| D．can help the walker wa1k faster |
| A．help housewives operate the washing machine |
| B．make it much easier for us to go online |
| C．produce more electricity than that invented by Larry Rome |
| D．be applied in medicine to operate heart pacemakers |
| A．First device powered by walking wi1l soon be on the market |
| B．Advanced technology brings in a new way to operate heart pacemakers |
| C．Device gives new meaning to the idea of power walking |
| D．Human energy will become a main source of electricity |
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科目：高中英语 来源： 题型：阅读理解
Being green is everywhere these days, whether it is in the school, factory or anywhere on the Internet. This is because our planet is in danger, losing resources, polluting resources and destroying ecosystems(生态系统). Different species are dying because we can’t take care of our home. Now ask yourself why you don’t want a green healthier lifestyle and to save animals. Keep that in mind as you read on.
There are many ways to be green, first of all, everyone should recycle; it’s something easy and helps our planet in many ways. All you’d have to do is put recycling in recycling and garbage in garbage. Another popular thing is to try your best not to drive a car. Sometimes you can just walk, bike, or take a subway. This ensures that our air won’t be polluted, which in turn helps our lungs and everything else on our planet. Next thing is saving energy. We can do this by not using too much heat or air conditioning in summer or winter. It’s not preferable because it’s hard, but you can try and put your washing machine on cold whenever possible and try to keep electronics out of the rubbish. What’s more, remember to stop drinking from plastic bottles because plastic can only be used once and if used many times, it will become unhealthy. So you’d better use a glass or buy a reusable water bottle. The last and most important thing is, spread this news to the world and tell them what’s happening in our world. I’ve only listed a small part of the endless possibilities to save this world. The least you can do is do the simple ones.
【小题1】What does the underlined word “that” in Paragraph 1 refer to?
| A．The importance of being green. |
| B．The question asked in this paragraph. |
| C．The present situation of the Earth. |
| D．The reader’s contribution to the Earth. |
| A．Two. | B．Three. |
| C．Four. | D．Five. |
| A．call on others to protect our Earth |
| B．recycle what we have used |
| C．try our best to stop driving cars |
| D．save as much energy as possible |
| A．tell us the importance of protecting our Earth |
| B．Help us to cut down the pollution on our Earth |
| C．teach us some knowledge about our health today |
| D．guide us to some ways of protecting our Earth |
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科目：高中英语 来源： 题型：阅读理解
A team of engineers at Harvard University has been inspired by Nature to create the first robotic fly. The mechanical fly has become a platform for a series of new high-tech integrated systems. Designed to do what a fly does naturally, the tiny machine is the size of a fat housefly. Its mini wings allow it to stay in the air and perform controlled flight tasks.
“It’s extremely important for us to think about this as a whole system and not just the sum of a bunch of individual components (元件),” said Robert Wood, the Harvard engineering professor who has been working on the robotic fly project for over a decade. A few years ago, his team got the go-ahead to start piecing together the components. “The added difficulty with a project like this is that actually none of those components are off the shelf and so we have to develop them all on our own,” he said.
They engineered a series of systems to start and drive the robotic fly. “The seemingly simple system which just moves the wings has a number of interdependencies on the individual components, each of which individually has to perform well, but then has to be matched well to everything it’s connected to,” said Wood. The flight device was built into a set of power, computation, sensing and control systems. Wood says the success of the project proves that the flying robot with these tiny components can be built and manufactured.
While this first robotic flyer is linked to a small, off-board power source, the goal is eventually to equip it with a built-in power source, so that it might someday perform data-gathering work at rescue sites, in farmers’ fields or on the battlefield. “Basically it should be able to take off, land and fly around,” he said.
Wood says the design offers a new way to study flight mechanics and control at insect-scale. Yet, the power, sensing and computation technologies on board could have much broader applications. “You can start thinking about using them to answer open scientific questions, you know, to study biology in ways that would be difficult with the animals, but using these robots instead,” he said. “So there are a lot of technologies and open interesting scientific questions that are really what drives us on a day to day basis.”
【小题1】The robotic fly project has been conducted __________.
| A．just by accident |
| B．within a decade |
| C．just by a professor |
| D．for more than ten years |
| A．they had no model in their mind |
| B．they did not have sufficient time |
| C．they had no ready-made components |
| D．they could not assemble the components |
| A．The robotic flyer is designed to learn about insects. |
| B．Animals are not allowed in biological experiments. |
| C．There used to be few ways to study how insects fly. |
| D．Wood’s design can replace animals in some experiments. |
| A．Father of Robotic Fly |
| B．Inspiration from Engineering Science |
| C．Robotic Fly Imitates Real Life Insect |
| D．Harvard Breaks Through in Insect Study |
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科目：高中英语 来源： 题型：阅读理解
Bend over, take a deep breath and drink some water! This is just one of hundreds of tips you might get if you have the hiccups(打嗝). Hiccups are so mysterious. We really don’t know why they start and why they stop.
Everyone has a favorite cure(治愈方法) for a case of the hiccups. Some people think that a good scare(惊恐) is necessary to get well. Others eat a teaspoon of sugar. Still others drink a glass of water with a knife in it.
An American man named Jack O’Leary said he had hiccupped 160 million times over a period of eight years. He tried 60,000 cures, but none of them worked. At last he prayed to Saint Jude, the saint of Hopeless cases, and his hiccupping stopped immediately.
It took a British plumber eight months to cure his hiccups. People from all over the world wrote him letters with suggestions for getting well. He tried them all, but the hiccups continued. Finally, he drank a “secret” mixture someone had sent him. By that evening his hiccups were gone.
Why did these cures work for these two men? No one really know. But people who have studied many cases of hiccups have an idea – hiccups usually go away if you believe in the cure.
【小题1】. How did Jack O’Leary stop his hiccups?
| A．He took a deep breath. | B．He prayed to Saint Jude |
| C．He ate a teaspoon of sugar. | D．He drank a “secret” mixture. |
| A．4 hours | B．2 days |
| C．8 months | D．8 years |
| A．Cold water | B．A spoonful of salt |
| C．Special pills | D．What you believe in |
| A．Saint Jude is an expert in curing the hiccups |
| B．the reason why the hiccups start and why the hiccups stop |
| C．some people think that a good scare is a cure for a case of hiccups |
| D．the British plumber drank a “secret” mixture given by an experienced doctor and then became well |
| A．Different ways to stop hiccups. |
| B．What makes hiccups happen. |
| C．How to get hiccups. |
| D．Jack O’Leary’s hiccups. |
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科目：高中英语 来源： 题型：阅读理解
Ask someone what they have done to help the environment recently and they will almost certainly mention recycling. Recycling in the home is very important, of course. However, being forced to recycle often means we already have more material than we need. We are dealing with the results of that over-consumption in the greenest way possible, but it would be far better if we did not need to bring so much material home in the first place.
The total amount of packaging has increased by 12% between 1999 and 2005. It now makes up a third of a typical household's waste in the UK. In many supermarkets nowadays food items are packaged twice with plastic and cardboard.
Too much packaging is doing serious damage to the environment. The UK, for example, is running out of it for burying this unnecessary waste. If such packaging is burnt, it gives off greenhouse gases which go on to cause the greenhouse effect. Recycling helps, but the process itself uses energy. The solution is not to produce such items in the first place. Food waste is a serious problem, too. Too many supermarkets encourage customers to buy more than they need. However, few of them are coming round to the idea that this cannot continue, encouraging customers to reuse their plastic bags, for example.
But this is not just about supermarkets. It is about all of us. We have learned to associate packaging with quality. We have learned to think that something unpackaged is of poor quality. This is especially true of food. But it is also applied to a wide range of consumer products, which often have far more packaging than necessary.
There are signs of hope. As more of us recycle, we are beginning to realize just how much unnecessary materials are collected. We need to face the wastefulness of our consumer culture, but we have a mountain to climb.
【小题1】What does the underlined phrase "over-consumption" refer to?
| A．Using too much packaging. |
| B．Recycling too many wastes. |
| C．Having more material than is needed. |
| D．Making more products than necessary. |
| A．the tendency of cutting household waste |
| B．the increase of packaging recycling |
| C．the fact of packaging overuse |
| D．the rapid growth of supermarkets |
| A．means burning packaging for energy |
| B．helps control the greenhouse effect |
| C．is the solution to gas shortage |
| D．leads to a waste of land |
| A．Unpackaged products are of bad quality. |
| B．Supermarkets care more about packaging. |
| C．Other products are better packaged than food. |
| D．It is improper to judge quality by packaging. |
| A．Needless material is mostly recycled. |
| B．Fighting wastefulness is difficult. |
| C．People like collecting recyclable wastes. |
| D．The author is proud of their consumer culture. |
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科目：高中英语 来源： 题型：阅读理解
If you could be anybody in the world, who would it be? Your neighbour or a super star? A few people have experienced what it might be like to step into the skin of another person, thanks to an unusual virtual reality（虚拟现实）device. Rikke Wahl, an actress, model and artist, was one of the participants in a body swapping experiment at the Be Another lab, a project developed by a group of artists based in Barcelona. She swapped with her partner, an actor, using a machine called The Machine to Be Another and temporarily became a man. "As I looked down, I saw my whole body as a man, dressed in my partner's pants," she said. "That's the picture I remember best."
The set-up is relatively simple. Both users wear a virtual reality headset with a camera on the top. The video from each camera is sent to the other person, so what you see is the exact view of your partner. If she moves her arm, you see it. If you move your arm, she sees it.
To get used to seeing another person's body without actually having control of it, participants start by raising their arms and legs very slowly, so that the other can follow along. Eventually, this kind of slow synchronised（同步的）movement becomes comfortable, and participants really start to feel as though they are living in another person's body.
Using such technology promises to alter people's behaviour afterwards-potentially for the better. Studies have shown that virtual reality can be effective in fighting racism-the bias（偏见）that humans have against those who don't look or sound like them. Researchers at the University of Barcelona gave people a questionnaire called the Implicit Association Test, which measures the strength of people's associations between, for instance, black people and adjectives such as good, bad, athletic or awkward. Then they asked them to control the body of a dark skinned digital character using virtual reality glasses, before taking the test again. This time, the participants' bias scores were lower. The idea is that once you've "put yourself in another's shoes" you're less likely to think ill of them, because your brain has internalised the feeling of being that person.
The creators of The Machine to Be Another hope to achieve a similar result. "At the end of body swapping, people feel like holding each other in their arms," says Arthur Pointeau, a programmer with the project. "It's a really nice way to have this kind of experience. I would really, really recommend it to everyone."
【小题1】The word "swapping" (paragraph 1) is closest in meaning to______.
| A．building | B．exchanging | C．controlling | D．transplanting |
| A．our feelings are related to our bodily experience |
| B．we can learn to take control of other people's bodies |
| C．participants will live more passionately after the experiment |
| D．The Machine to Be Another can help people change their sexes |
| A．they fought strongly against racism |
| B．they scored lower on the test for racism |
| C．they changed their behaviour dramatically |
| D．they were more biased against those unlike them |
| A．technology helps people realize their dreams |
| B．our biases could be eliminated through experiments |
| C．virtual reality helps promote understanding among people |
| D．our points of view about others need changing constantly |
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