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[主观题]

阅读材料，回答题： Natural MedicinesSince earliest days, humans have used some kinds of me

阅读材料，回答题：

Natural Medicines

Since earliest days, humans have used some kinds of medicines. We know this because hu-mans have survived. Ancient treatments for injury and disease were successful enough to keep hu-mans from dying out completely.

They were successful long before the time of modem medicine. Before the time of doctorswith white coats and shiny （发亮的）nstruments. Before the time of big hospitals with strangeand wonderful equipment.

Many parts of the world still do not have university-educated doctors. Nor do they have ex-pensive hospitals. Yet injuries are treated. And diseases are often cured. How？ By ancient meth-ods. By medicines that might seem mysterious, even magical （有魔力的）Traditional medicinesare neither mysterious nor magical, however.

Through the centuries, tribal (部落的) medicine men experimented with plants. They foundmany useful chemicals in the plants. And scientists believe many of these traditional medicinesmay provide the cure for some of today&39;s most serious diseases.

Experts say almost 80% of the people in the world use plants for health care. These naturalmedicines are used not just because people have no other form. of treatment. They are used be-cause people trust them. In developed areas, few people think about the source of the medicinesthey buy in a store. Yet many widely-used medicines are from ancient sources, especially plants.Some experts say more than 25 % of modem medicines come, in one way or another, from nature.

Scientists have long known that nature is really a chemical factory. All living things containchemicals that help them survive. So scientists&39; interest in traditional medicine is not new. But ithas become an urgent concern. This is because the earth&39;s supply of natural medicines may bedropping rapidly.

The passage indicates that ancient treatments for injury and disease were 查看材料

A.much more successful than modem ones

B.successful enough for humans to survive

C.successful in all cases

D.of little help to humans

答案

查看答案

发布时间：2021-05-23

更多“阅读材料，回答题： Natural MedicinesSince earliest days, humans have used some kinds of me”相关的问题

第1题

根据以下材料，回答题。A Success StoryAt 19， Ben Way is already a millionaire， and one of a

根据以下材料，回答题。

A Success Story

At 19， Ben Way is already a millionaire， and one of a growing number of teenagers who have（51 ） their fortune through the Internet.（52） makes Ben"s story all the more remarkable is that he is dyslexic， and was（53） by teachers at his junior school that he would never be able to read or write（54）."I wanted to prove them（55）"，says Ben， creator and director of Waysearch， a net search engine which can be used

（56） find goods in online shopping malls.

When he was eight， his local authorities provided him with a PC to help with school work.Although he was（57） to read the ，manuals， he had a natural ability with the computer，and（58） by his father， he soon began（59） people ~ 10 an hour for hisknowledge and skills. At the age of 15 he（60） up his own computer consultancy， Quad Computer， which he ran from his bedroom， and two years later he left school to（61） all his time to business.

"By this time the company had grown and ! needed to take on a（62） of employees to help me"， says Ben. "That enabled me to start doing business with（63） companies. " It was his ability to consistently.（64） difficult challenges that led him to win the Young Entrepreneur of the Year award in the same year that he formed Waysearch， and he has recently signed a deal（65） 25 million with a private investment company， which will finance his search engine.

请在第__（51）__处填上正确答案。查看材料

A.taken

B.made

C.put

D.done

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第2题

根据以下材料，回答题。A Letter from Alan-I have learnt of a plan to build three hundred hous

根据以下材料，回答题。

A Letter from Alan-

I have learnt of a plan to build three hundred houses on the land called Parson"s Place by the football ground. Few people know about this new plan to increase the size of our town. For me， Parson"s Place is special because it is a beautiful natural area where local people can relax——the small wood has many unusual trees and the stream is popular with fishermen and bird-watchers. It"s very quiet because there are few houses or roads nearby. I think that losing this area will be terrible because we have no other similar facilities in the neigh bour hood.

I am also against this plan because it will cause traffic problems. How will the people from the new houses travel to work？ The motorway and the railway station are on the other side of town. There fore these people will have to drive through the town centre every time they go anywhere.

The roads will always be full of traffic， there will be nowhere to park and the tourists who come to see our lovely old buildings will leave. Shops and hotels will lose business. If the town really needs more homes，the empty ground beside the railway station is a more suitable place.

No doubt the builders will make a lot of money by selling these houses. But，in my opinion， the average person will quickly be made poorer by this plan. As well as this， we will lose a very special place and our town will be much less pleasant.

I am going to the local government offices on Monday morning to protest about this plan and I hope that your readers will join me there. We must make them stop this. plan before it is too late.

Why has Alan written this letter？查看材料

A.To persuade the government to build new houses.

B.To protest about a new motorway near the town.

C.To encourage more people in the town to use Parson"s Place.

D.，To inform. other people about the builders" plans.

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第3题

阅读材料，回答题： Renewable Energy SourcesToday petroleum（石油) provides around 40% of t

阅读材料，回答题：

Renewable Energy Sources

Today petroleum(石油) provides around 40% of the world&39;s energy needs, mostly fuellingautomobiles. Coal is still used, mostly in power stations, to cover one-quarter of our energy needs,but it is the least efficient, unhealthiest and most environmentally damaging fossil fuel(矿物燃料). Natural gas reserves could fill some of the gap from oil, but reserves of that will not last into the 22nd century either. Most experts predict we will exhaust easily accessible reserves within 50 years. Less-polluting renewable energy sources offer A．more practical long-term energy solution. "Renewable" refers to the fact that these resources are not used faster than they can be replaced.

Hydroelectric(水力发电的)power is now the most common form. of renewable energy, sup-plying around 20% of world electricity. China&39;s Three Gorges Dam is the largest ever. At five timesthe size of the U. S. &39;s Hoover Dam, its 26 turB．ines(涡轮机) will generate the equivalent energyof 18 coal-fired power stations. It will satisfy 3% of China&39;s entire electricity demand.

In 2003, the first commercial power station to use tidal (潮汐的) currents in the open seaopened in Norway. It is designed like windmill(风车), but others take the form. of turB．ines.

As prices fall, wind power has become the fastest growing type of electricity generation--quadrupling(翻两番) worldwide between 1999 and 2005. Modern wind farms consist of turbinesthat generate electricity. Though it will be more expensive, there is more than enough wind to pro-vide the world&39;s entire energy needs. Wind farms come in onshore and offshore forms. They can of-ten end up at spots of natural beauty, and are often unpopular with residents. And turbines are nottotally harmless--they can interfere with radar, alter climate and kill seabirds. Scotland is build-ing Europe&39;s largest wind farm, which will power 200,000 homes. The U. K. &39;s goal is to generateone-fifth of power from renewable sources, mainly wind, by 2020. but this may cause problems,because wind is unreliable.

According to the passage， which of the following is the most polluting energy resource？查看材料

A.Petroleum

B.Coal

C.Natural gas

D.Water

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第4题

阅读材料，回答题： KnittingMy mother knew how to knit（编织), but she never taught me. She

阅读材料，回答题：

Knitting

My mother knew how to knit(编织), but she never taught me. She assumed, as did manywomen of her generation, that knitting was no longer a skill worth passing down from mother todaughter. A combination of feminism (女权主义) and consumerism (消费主义 ) made manywomen feel that such homely accomplishments were now out of date. My Grandmother still knitted, though, and every Christmas she made a pair of socks for my brother and me, of red wool.

They were the ones we wore under our ice skates (冰鞋), when it was really important to havewarm feet.

Knitting is a nervous habit that happens to be productive. It helped me quit smoking by giv-ing my hands something else to do 。it is wonderful for depression because no matter what else

happens, you are creating something beautiful. Time spent in front of the television or just sittingis no longer time wasted.

I love breathing life into the patterns. It&39;s true magic, finding a neglected, dog-eared oldbook with the perfect snowflake design, buying the same Germantown wool my grandmother used,in the exact blue to match my daughter&39;s eyes, taking it on the train with me every day for twomonths, working enthusiastically to get it done by Christmas, staying up late after the stockingsare filled to sew in the sleeves and weave in the ends.

Knitting has taught me patience. I know that if I just keep going, even if it takes months,there will be a reward. When I make a mistake, I know that anger will not fix it, that I just haveto go back and take out the stitches(针脚) between and start over again.

People often ask if I would do it for money, and the answer is always a definite no. In thefirst place, you could not pay me enough for the hours I put into a sweater. But more important,this is an activity I keep separate from such considerations. I knit it to cover my children and oth-er people I love in warmth and color. I knit to give them something earthly that money could neverbuy.

Knitting gives my life an alternative rhythm to the daily deadline. By day I can write aboutNorthern Ireland or the New York City Police Department and get paid for it, but on the trainhome, surrounded by people with laptops, I stage my little rebellion. I take out my old knittingbag and join the centuries of women who have knitted for love.

Why did many women feel that knitting was out of date？查看材料

A.Because their mothers didn"t teach them.

B.Because they were influenced by feminism and consumerism.

C.Because they were feminists.

D.Because t.hey were eonsumerists.

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第5题

阅读材料，回答题： Adaptation of Living ThingsCertain animals and plants develop character

阅读材料，回答题：

Adaptation of Living Things

Certain animals and plants develop characteristics that help them cope with their environmentbetter than others of their kind. This natural biological process is called adaptation. Among thesuperior characteristics developed through adaptation are those that may help in getting food orshelter, in providing protection, and in producing and protecting the young. That results in the

evolution of more and more organisms（生物体）that are better fitted to their environments.

Each living thing is adapted to its way of life in a general way, but each is adapted especiallyto its own distinct class. A plant, for example, depends upon its roots to fix itself firmly and toabsorb water and inorganic chemicals(无机物). It depends upon its green leaves for using thesun&39;s energy to make food from inorganic chemicals. These are general adaptations, common tomost plants. In addition, there are special adaptations that only certain kinds of plants have.

Many animals have adaptations that help them escape from their enemies. Some are hiddenby their body color or shape, and many look like a leaf or a little branch. The coats of deer arecolored to mix with the surroundings. Many animals have the ability to remain completely stillwhen an enemy is near.

Organisms have a great variety of ways of adapting. They may adapt in their structure, func-tion, and genetics; in their development and production of the young; and in other respects. Anorganism may create its own environment, as do warm-blooded mammals (哺乳动物), whichhave the ability to adjust body heat exactly to maintain their ideal temperature despite changingweather. Usually adaptations are an advantage, but sometimes an organism is so well adapted to a particular environment that if conditions change, it finds it difficult or impossible to readapt to thenew conditions.

Some plants and animals develop superior characteristics so that they may 查看材料

A.help others of their kind get food， shelter and other things needed

B.survive even in extremely severe conditions

C.become better adapted to the environments than others of their kind

D.result in the evolution and production of more intelligent organisms

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第6题

根据以下材料，回答题。Too Late to Regret ItWhen I was a junior， I met a second-year student

根据以下材料，回答题。

Too Late to Regret It

When I was a junior， I met a second-year student in my department. He wasn"t tall or good-looking， but he was very nice， attractive and athletic. He had something that I admired very much. He was natural， warm， and sincere.

! disregarded （不顾） my parents" disapproval. We were very happy together. He picked me up from" my dorm every morning， and after class we would sit alongside the stream that ran through campus， or sunbathe （晒太阳） on the lawn. At night he would walk me back to my dorm. He came from a poor family， but in order to make me happy， he borrowed money from his friend to buy presents and meals for me. Our fellow students looked up to him-as a role model，and the girls envied 妒忌） me. He wasn"t a local， but wanted to stay here after graduation. I thought we had a future together.

However， when I got a part-time job during the summer vacation， people began giving me a lot of pressure， saying that a pretty， intelligent girl like me should find a better guy to spend time with. This was also what my family thought. He spent the summer in his hometown， so I was all by myself. When he got back， I began finding faults with-him. But his big heart and warmth soon drove all unpleasant，thoughts away. However， I had no idea how badly I had hurt him and that things would get worse.

I had a good part-time job off campus that paid pretty well. With my good performance at school， I also got admission to graduate school at one of China"s best universities. He， on the other hand， did not do so well at school or at work. I had to worry about his living expenses， job and scores.

Almost all my colleagues and friends advised me to break up with him. Then we had a quarrel last June. He was in great pain， and my cold words and bad moods started turning him away， Graduation time was drawing near. He said that he couldn"t put up with me anymore， and he said he wanted to go back to his hometown. I was shocked and looked at him in despair.

True love happens only once， but I found it out too late.

When did the author fall in love with the boy？查看材料

A.After she had a quarrel with him.

B.When she was a junior.

C.When she was a second-year student.

D.After she found a part-time job.

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第7题

根据以下材料，回答题。The Fridge1 The fridge is considered a necessity. It has been so sin

根据以下材料，回答题。

The Fridge

1 The fridge is considered a necessity. It has been so since the 1960s when packaged food first appeared with the label: "store in the refrigerator. "

2 In my fridgeless Fifties childhood， I was fed well and healthily. The milkman came daily， the grocer， the butcher， the baker， and the ice-cream man delivered two or three times a week. The Sunday meat would last until Wednesday and surplus bread and milk became all kinds of cakes. NOthing was wasted and we were never troubled by rotten food. Thirty years on， food deliverieshave ceased， fresh vegettbIes are almost unobtainable in the country.

3 The invention of the fridge contributed comparatively little to the art of food preservation. A vast variety of well-tried techniquesady already existed natural cooling， drying， smoking， salting，sugaring， bottling...

4 What refrigeration did promote was marketing marketing hardware and electricity， marketing soft drinks， marketing dead bodies of animals around the globe in search of a good price.

5 Consequently， most of the world"s fridges are to be found， not in the tropics where they might prove useful， but in the ，Tealthy countries with mild temperatures where they are climatically almost unnecessary. Every winter， millions of fridges hum away continuously， and at vast expanse，busily maintaining an artificially-cooled space inside an artificially-heated house，-while outside，

nature provides the desired temperature free of charge.

6 The fridge"s effect upon the environment hasbeen evident， while its contribution to human happiness has been insignificant. If you don"t believe me， try it yourself. Invest in a food cabinet and turn off your fridge next winter. You may miss the hamburgers but at least you"ll get ride of that terrible hum.

Paragraph 2 查看材料

A.The invention of the fridge.

B.The pollution caused by fridges.

C.The widespread need for fridges.

D.The days without the fridge.

E.The waste of energy caused by fridges.

F.The fridge"s contribution to commerce.

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第8题

阅读材料，回答题。 The Public Health System One of the biggest changes since 1990 is the d

阅读材料，回答题。

The Public Health System

One of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority.Although there had long been concern about vulnerability to biowarfare and bioterrorism the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical.Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized.Although concern about emerging infections has helped stimulate funding for the chronically under-appreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health in

decades.

Many of the capabilities needed to defend against bioterrorism are the same: as those needed to combat natural emerging infections.In both instance, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics.Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism.

Whether the biggest threat is natural or engineered much remains to be done.Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained.Further,we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic.We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens across species.One encouraging development is the program in the ecology of infections diseases that was started a few years ago be the National Science Foundation in cooperation with NIH.

SARS is a good yardstick of our progress during the past 13 years.The syndrome was unusual because novel infections that spread from person to person are relatively rare.Once cases were finally reported, the public health response was vigorous.WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available.The vast reach of the Internet was instrumental in sharing formation and coordinating activities worldwide.Despite these advances, SARS had already spread to many countries.In fact had the disease been as transmissible as influenza, it would have invaded virtually every country in the world by the time the public health response had begun.So what SARS tells us is that although we have come long way since 1990, we still have a long way to go.

The main idea expressed in the first paragraph is that__________. 查看材料

A.the threat of bioterrorism is real rather than theoretical

B.the concern about bio-warfare and bioterrorism has been justified

C.the public health system plays an important role in fighting against bioterrorism

D.bioterrorism has to a considerable degree become a public health priority

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第9题

请根据短文的内容，回答题。 The Fridge（1) The fi&39;idge is considered a necessity. It has b

请根据短文的内容，回答题。

The Fridge

(1) The fi&39;idge is considered a necessity. It has been so since the 1960s when packaged food first appeared with the label: "store in the refrigerator."＜br＞

(2) In my fridgeless childhood, I was fed well and healthily. The milkman came daily, the grocer,the butcher, the baker, and the ice-cream man delivered two or three times a week. The Sunday meat would last until Wednesday and surplus bread and milk became all kinds of cakes. Nothing was wasted and we were never troubled by rotten food. Thirty years on, food deliveries have ceased, fresh vegetables are almost unobtainable in the country.＜br＞

(3) The invention of the fridge contributed comparatively little to the art of food preservation. A vast variety of well-tried techniques already existed- natural cooling, drying, smoking,slating, sugaring, bottling...＜br＞

(4) What refrigeration did promote was marketing--marketing hardware and electricity, marketing soft drinks, marketing dead bodies of animals around the globe in search of a good price.＜br＞

(5) Consequently, most of the world&39;s fridges are to be found, not in the tropics where they might prove useful, but in the wealthy countries with mild temperatures where they are climatically almost unnecessary. Every winter, millions of fridges hum away continuously, and at vast expanse, busily maintaining an artificially-cooled space inside an artificially-heated house --while outside, nature provides the desired temperature flee of charge.＜br＞

(6) The fridge&39;s effect upon the environment has been evident, while its contribution to human happiness has been insignificant. If you don&39;t believe me, try it yourself. Invest in a food cabinet and turn off your fridge next winter. You may miss the hamburgers but at least you&39;ll get ride of that terrible hum.＜

Paragraph 2 __________ 查看材料

A.The invention of the fridge

B.The pollution caused by fridges

C.The widespread need for fridges

D.The days without the fridge

E.The waste of energy caused by fridges

F.The fridge"s contribution to commerce

点击查看答案

第10题

根据以下材料，回答题A Country"s Standard of LivingThe "standard of living" of any country m

根据以下材料，回答题

A Country"s Standard of Living

The "standard of living" of any country means the average person"s share of the goods and services the country produces. A country"s standard of living， therefore __________ （51） first on its capacity to produce wealth. "Wealth" in this __________ （52） is not money， for we do not live on money but on things that money can buy: "goods" such as food and clothing， and "services" such as transport and entertainment.

A country"s capacity to __________ （53） wealth depends upon many factors， most of __________ （54）have an effect on one another. Wealth depends __________ （55） a great extent upon a country"s natural resources. Some regions of the word are well supplied with coal and minerals， and have fertile （肥沃的）soil and a favorable climate; other regions __________ （56） none of them. Next to natural resources comes the ability to __________ （57） them to use. China is perhaps as rich as the USA in natural resources， but suffered for many years __________ （58） civil and external wars. And for this and other __________ （59） was unable to develop her resources. Sound and stable political conditionsand __________ （60） from foreign invasionsenable a country to develop its natural resources peacefully and steadily， and to produce more __________ （61） than another country equally well favored by nature but less well ordered.

A country"s standard of living does not only depend upon the wealth that is produced and __________ （62） within its own borders， but also upon what is directly produced through intemational trade. For example， Britain"s wealth in foodstuffs and other agricultural __________ （63） would be much less if she had to dependonly on those grown at home. Trade makes it possible for her surplus （过剩的） manufactured goods to be Waded abroad for the agricultural products __________ （64）would otherwise be lacking. A country"s wealth is， therefore， much influenced by its manufacturing capacity， __________ （65） that other countries can be found ready to accept its manufactures.

回答（51）题查看材料

A.calls

B.gets

C.depends

D.takes

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