Dan Bebber is a senior research fellow at the University of Exeter in Britain. He says research has shown that wild plants and animals are moving toward Earth's North and South poles as the planet warms.
Mr Bebber wanted to know if the same thing was happening with organisms that attack agricultural crops. He examined reports of first sightings of new insects and diseases around the world. The records came from CABI - the Centre for Agricultural Bioscience International. He says the group began collecting information from developing and industrialized countries years ago.
Dan Bebber and his research team studied 612 different organisms - from viruses and bacteria to insects like beetles and butterflies. They found that since 1960, crop pests and diseases have been moving toward the poles at an average rate of about 3 kilometers each year. Mr Bebber says this puts the most productive farmland in the world in danger.
"As new species of pests and diseases evolve and potentially the environment for them becomes more amenable at higher latitudes, the pressure on the breadbaskets of the world is going to increase."
Farmers face other threats. Invasive species passed through trade are also causing problems. Gene Kritsky is an Entomologist at the College of Mount St. Joseph in Ohio. He specialises in the study of insects. He says climate change may improve conditions for some invasive species.
“It means that species in other parts of the world that might do well in warmer temperatures can now do well in the breadbasket of America.”
Another Entomologist Christian Krupke of Purdue University says the effects of these changes will depend very much on the crop, the insect and the disease. But he says the research is a warning sign that people should care about climate change and do something about it.
【小題1】The purpose of Dan Bebber’s research was to find ______.
A.if farmland could be moved to colder places thanks to global warming |
B.if diseases and insects harmful to crops were going towards colder areas |
C.if organisms were moving to the north and south poles |
D.if the number of crop pests was increasing |
A.it will be hard for farmers to kill them |
B.the most productive farmland will produce more crops |
C.the earth will not produce enough food to support the world |
D.the conditions for some crops may be improved |
A.Climate change helps crop pests to adapt to new environment. |
B.Foreign species are brought in by trade. |
C.Invasive species doing well in warmer places might do well in America. |
D.The impacts of the climate and species changes on crops are not easy to determine. |
A.a(chǎn)greeable | B.terrible | C.unfriendly | D.changeable |
【小題1】B
【小題2】C
【小題3】D
【小題4】A
解析試題分析:本文講述的是隨著全球變暖,很多植物都在向兩級地區(qū)移動,科學(xué)家對這種現(xiàn)象進(jìn)行了仔細(xì)地研究。本文介紹了這些研究的有關(guān)情況。
【小題1】B 細(xì)節(jié)題。根據(jù)文章第二段第一行Mr Bebber wanted to know if the same thing was happening with organisms that attack agricultural crops可知他想知道這些對動物和昆蟲有害的疾病是不是和那些植物一樣會向南極和北極移動。故B正確。
【小題2】C 推理題。根據(jù)文章第三段最后一句Mr Bebber says this puts the most productive farmland in the world in danger.可知這種情況會讓地球上物產(chǎn)豐富的土地不再能夠生產(chǎn)出產(chǎn)品來滿足人們的需要。故C項正確。
【小題3】D 細(xì)節(jié)題。根據(jù)"As new species of pests and diseases evolve and potentially the environment for them 和Farmers face other threats. Invasive species passed through trade are also causing problems.以及He says climate change may improve conditions for some invasive species.說明ABC三項都是面臨的威脅。只有D項文章沒有涉及到。
【小題4】A 猜測詞義題。根據(jù)本句"As new species of pests and diseases evolve and potentially the environment for them becomes more amenable at higher latitudes,在高緯度地區(qū)新的昆蟲和疾病以及他們與環(huán)境之間越來越協(xié)調(diào)一致。故A正確。
考點:考察科普說明文
科目:高中英語 來源: 題型:閱讀理解
Thirteen vehicles lined up last March to race across the Mojave Desert, seeking a million in prize money. To win, they had to finish the 142-mile race in less than 10 hours. Teams and watchers knew there might be no winner at all, because these vehicles were missing a key part—drivers.
DARPA, the Defense Advanced Research Projects Agency, organized the race as part of a push to develop robotic vehicles for future battlefields. But the Grand Challenge, as it was called, just proved how difficult it is to get a car to speed across an unfamiliar desert without human guidance. One had its brake lock up in the starting area, Another began by throwing itself onto a wall. Another got tied up by bushes near the road after 1.9 miles.
One turned upside down. One took off in entirely the wrong direction and had to be disabled by remote (遠(yuǎn)距離的) consol. One went a little more than a mile and rushed into a fence; another managed to go for six miles but stuck on a rock. The “winner,”if there was any, reached 7.8 miles before it ran into a long, narrow hole, and the front wheels caught on fire.
“You get a lot of respect for natural abilities of the living things,” says Reinhold Behringer, who helped design two of the ear-size vehicles for a company called Sci-Autonics, “Even ants (螞蟻) can do all these tasks effortlessly. It’s very hard for us to put these abilities into our machines.”
The robotic vehicles, though with necessary modern equipment such as advanced computers and GPS guidance, had trouble figuring out fast enough the blocks ahead that a two-year-old human recognizes immediately. Sure, that very young child, who has just only learned to walk, may not think to wipe apple juice off her face, but she already knows that when there’s a cookie in the kitchen she has to climb up the table, and that when she gets to the cookie it will taste good. She is more advanced, even months old, than any machine humans have designed.
【小題1】DARPA organized the race in order to ______.
A.raise money for producing more robotic vehicles |
B.push the development of vehicle industry |
C.train more people to drive in the desert |
D.improve the vehicles for future wars |
A.can do effortlessly whatever tasks living things can |
B.can take part in a race across 142 miles with a time limit |
C.can show off their ability to turn themselves upside down |
D.can move from place to p1ace without being driven by human beings |
A.a(chǎn)bout eight miles | B.six miles | C.a(chǎn)lmost two miles | D.a(chǎn)bout one mile |
A.for a robotic vehicle to finish a 142-mile race without any difficulties |
B.for a little child who has just learned to walk to reach the cookie on the table |
C.for a robotic vehicle to deal with a simple problem that a little child can solve |
D.for a little child to understand the importance of wiping apple juice off its face |
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科目:高中英語 來源: 題型:閱讀理解
After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the activities of the previous day. The rest that you get while sleeping enables your body to prepare itself for the next day.
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly (Although your eyelids are closed). This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very deeply. Other people believe that drinking warm milk will help make you drowsy. There is also an old suggestion the counting sheep will put you to sleep!
【小題1】A good title for this passage is ____.
A.Sleep | B.Dreams | C.Good Health | D.Work and Rest |
A.sick | B.a(chǎn)sleep | C.stand up | D.a(chǎn) little sleepy |
A.dream more often | B.have poor health | C.nervous | D.breathe quickly |
A.your eyes move quickly | B.you dream | C.you are restless | D.both A and B |
A.a(chǎn)pproximately six hours | B.a(chǎn)round ten hours |
C.a(chǎn)bout eight hours | D.not described here |
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科目:高中英語 來源: 題型:閱讀理解
U.S. Bottled Water Sales Are Booming Again Despite Opposition
Despite organized anti-bottled-water campaigns across the country and a noisy debate about bottled water’s environmental impact, Americans are buying more bottled water than ever.
Why do so many people seem to think they should have any input on what other American’s choose to buy or do?
If they want to buy bottled water, let them.
If they want to eat fast food, let them.
If they want to smoke pot, let them.
— Barackalypse
People just get tired of paying for others’ bad behavior. If many people eat excessive fast food, you pay higher insurance premiums. If many people frequently buy bottled water, your trash bills go up and landfills fill up quickly.www.zxxk.com
It’s about personal responsibility, which really should be a cornerstone of libertarianism.
— Bdbr
So? This is the price you pay to live in a free society. You want to control the life of another just so you can save a few bucks? What would you say when someone do the same to you?
— Norman619
Defend selfish pricks all you like; I’m just glad there are still people who still believe personal responsibility is a good and decent thing. We make your life cheaper and less bothersome.
— Yoyo
What a waste of money! It’s fine when you’re on the road and you need a cold drink, but people who buy cases of bottled water for home are completely crazy.
— Agmlauncher
I wish we all can find a way to improve things and benefit from this. The environment needs a lot of help but businesses will always work on what people would need and demand. Is this part of the balance? Hope we can find better ways.
— Skipweis
【小題1】What can we know about bottled water in America?
A.Americans are consuming more bottled water than tap. |
B.US bottled water sales have increased for the first time. |
C.Activists in several regions have been fighting against it. |
D.Some people worry about its bad effect on the environment. |
A.Bdbr. | B.Norman619. | C.Yoyo. | D.Agmlauncher. |
A.partly supportive of | B.extremely against |
C.strongly in favor of | D.not concerned about |
A.The environment is emphasized too much. |
B.It’s impossible for people to find a better way. |
C.Business is not totally responsible for the problem. |
D.At present we can’t benefit from bottled water at all. |
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科目:高中英語 來源: 題型:閱讀理解
When a Swedish ship that sank in 1628 was recovered from the port of Stockholm, historians and scientists were overjoyed with the chance to examine the remains of the past. The ship construction showed how ships were built and operated during the seventeenth century. In this way, artifacts, objects made by human beings, provided a picture of daily life almost 400 years ago.
Underwater archaeology-the study of ships, aircraft and human settlements that have sunk under large bodies of water-is really a product of the last 50 years. The rapid growth of this new area of study has occurred because of the invention of better diving equipment .Besides the Swedish ship wreck(殘。,underwater archaeologists have made more exciting discoveries such as the 5000-year-old boats in the Mediterranean Sea.
Underwater archaeology can provide facts about the past. In ancient ports all over the world are ships sunken in the past 6,000 years. There are also sunken settlements in seas and lakes telling of people’s way of life and their systems of trade in ancient times. Underwater archaeologists want to study these objects to add to the world's knowledge of history, but they have to fight two enemies. One enemy is treasure hunters who dive for ancient artifacts that they can sell to collectors. Once sold, these objects are lost to experts. The second enemy is dredging machines(挖掘機(jī))often used to repair ports. These machines destroy wrecks and artifacts or bury them deeper under sand and mud. By teaching the public about the importance of underwater “museums” of the past, archaeologists are hoping to get support for laws to protect underwater treasures.
【小題1】What purpose does Paragraph 1 serve in the passage?
A.To provide background information of the topic |
B.To attract readers' attention to the topic |
C.To use an example to support the topic |
D.To offer basic knowledge of the topic |
A.exploit water bodies | B.search for underwater life |
C.study underwater artifacts | D.examine underwater environment |
A.sea hunters have better diving equipment |
B.their knowledge of world history is limited |
C.dredging machines cause damage to the ports |
D.sold artifacts can hardly be regained for research |
A.To introduce a young branch of learning. |
B.To discuss the scientists’ problems. |
C.To explain people’s way of life in the past. |
D.To describe the sunken ships. |
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科目:高中英語 來源: 題型:閱讀理解
Back in old times, people had little knowledge about the universe and nature. Things we now consider to be common sense were mysteries to our ancestors.
Over the years, major breakthroughs have been made in science and many phenomena have been explained. But still, there are always questions we can't yet answer, and The Guardian has listed some of them.
1. What makes us human?
Just looking at your DNA won't tell you - human DNA is 99 percent identical to that of the chimpanzee and, believe it or not, 50 percent identical to a banana's! A lot of the things we once thought were unique about us - language and tool use, recognizing ourselves in the mirror and so on – have since been seen in other animals. Perhaps it's our culture that makes the difference or maybe our ability to use fire. It's also possible that our capacity (能力) for co-operation and our trading skills are what make us unique.
2. Why do we dream?
Given the fact that we spend around a third of our lives sleeping, shouldn't we know everything about it? Unfortunately, scientists are still searching for a complete explanation of what happens when we sleep and why we dream.
Austrian psychologist Sigmund Freud believed dreams were the expressions of wishes that we can't fulfill in our real lives. Others have wondered whether dreams are just random "noise" coming from a sleeping brain.
3. Could we someday live forever?
Apart from accidents, most people die because of diseases that can be treated and aging. And since many diseases, such as diabetes(糖尿病) and cancer, are diseases of aging, treating aging itself could be the key to extending our lives.
Our knowledge of what causes us to age - and what allows some animals to live longer than others - is expanding rapidly. And though we haven't quite worked out all the details, we've worked out some pieces of the puzzles such as DNA damage and metabolism (新陳代謝), which are all leading to the invention of drugs that can slow down the aging process.
If we're lucky enough to lengthen our lives, we might even get to see the day when all of these questions are answered.
【小題1】The main point of the passage is ______.
A.to inform people of the knowledge about the universe and nature |
B.to introduce major breakthroughs that have been made in science |
C.to present some questions we can't yet answer |
D.to explain what were once mysteries to our ancestors |
A.human beings are actually not different from other animals |
B.a(chǎn)nimals have completely different DNA from that of plants |
C.both animals and plants share the same amount of DNA |
D.DNA alone is not good enough to make humans different |
A.mysterious | B.unique | C.a(chǎn)dvanced | D.same |
A.What were mysteries to our ancestors are considered to be common sense now. |
B.Now we know much more about dreams than our ancestors did in the past. |
C.With the invention of new drugs people can possibly live even longer. |
D.If all the diseases can be treated people can theoretically live forever. |
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科目:高中英語 來源: 題型:閱讀理解
Mark and his brother Jason both were looking at the shining new computer enviously. Jason was determined not to go against their father’s wishes but Mark was more adventurous than his brother. He loved experimenting and his aim was to become a scientist like his father.
“Dad will be really mad if he finds out you’ve been playing with his new computer.” Jason said, “He told us not to touch it.”
“He won’t find out.” Mark said, “I’ll just have a quick look and shut it down.”
Mark had been scolded before for touching his father’s equipment. But his curiosity was difficult to control and this new computer really puzzled him.
“It was a strange-looking machine –one his dad had brought home from the laboratory where he worked. “It’s an experimental model,” his father had explained, “so don’t touch it under any circumstances.” But his warning only served to make Mark more curious. Without any further thought, Mark turned on the power switch. The computer burst into life and seconds later, the screen turned into colors, shifting and changing and then two big white words appeared in the center of the screen: “SPACE TRANSPORTER.”
“Yes!” Mark cried excitedly, “It’s a computer game. I knew it! Dad’s only been pretending to work. He’s really been playing games instead.” A new message appeared on the screen:
“ENTER NAMES VOYAGER 1: … VOYAGER 2: …”
Mark’s fingers flew across the keyboard as he typed in both of their names.
“INPUT ACCEPTED. START TRANSPORT PROGRAM. AUTO-RETRIEVE INITIATED(自動回收程序已啟動).”
The screen turned even brighter and a noise suddenly rose in volume.
“I think we’d better shut it off, Mark,” Jason yelled, reaching for the power switch. He was really frightened.
But his hand never reached the switch. A single beam of dazzling white light burst out of the computer screen, wrapping the boys in its glow (光芒), until they themselves seemed to be glowing. Then it died down just as suddenly as it had burst into life. And the boys were no longer there. On the screen, the letters changed.
“TRANSPORT SUCCESSFUL. DESTINATION: MARS. RETRIEVE DATE: 2025.”
【小題1】Where did the boy’s father most likely work?
A.In an electronic factory. |
B.In a computer company. |
C.In a scientific research center. |
D.In an information processing center. |
A.a(chǎn) computer game | B.a(chǎn) company website |
C.a(chǎn) software producer | D.a(chǎn)n astronomy program |
A.They were blown into the air. |
B.They were sent to another planet. |
C.They were hidden in the strong light. |
D.They were carried away to another country |
A.He was afraid of being scolded. |
B.He didn’t like the loud noise and light. |
C.He didn’t want to play games any more. |
D.He was afraid something dangerous might happen. |
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科目:高中英語 來源: 題型:閱讀理解
For thousands of years, mankind has produced plants and animals to create more desired and useful plants and animals. For example, modern com has been produced to such a large size that it is no longer able to reproduce without man’s assistance. Modern dairy cows produce too much milk and if they are not often emptied of milk, they could leak, burst, become infected, and possibly die. Besides, most dogs raised by people can not survive in the wild even with special training.
Since natural evolution is extremely slow and mankind’s selective production programs only take a few generations to produce a completely new species, natural evolution has already taken a back seat to mankind’s production programs. In addition, mankind has successfully killed off several species all together. For example, there are no more European wolves in existence and mammoths (猛犸象) probably died out because of mankind. Even certain diseases have been permanently got rid of from the planet, and dozens of other diseases will soon be too. Again, natural evolution did i»t cause most of the destruction during man’s rule of the world.
Currently, scientists are creating new species with desired characteristics in the lab significantly faster than natural evolution creates new species. In a single generation, new species can be created and destroyed by mankind, while natural evolution could take thousands of years to do the same but only accidentally. Scientists are even able to replace defective (有缺陷的) or damaged genes with different genes to attempt to cure genetic defects. This is something that natural evolution could possibly never correct.
Eventually scientists will even be able to improve the quality of people. For example, imagine not only correcting your eyesight with gene treatment, but also ensuring that all of your children do not receive your old genes of poor eyesight too. Scientists will one day be able to improve the memory and intelligence of your children, so that they will do better in school and achieve more in life. Doctors and scientists will be able to customize (訂制) babies before they are born just like picking options at a car store.
【小題1】According to the first paragraph,______ .
A. man-made evolution has improved all species
B. man-made evolution has weakened some species
C man-made evolution can make up for all natural losses
D. natural evolution won’t happen without man’s assistance
【小題2】What does the underlined part “taken a back seat to” in Paragraph 2 mean?
A. Become powerful assistance to.
B. Become a huge barrier to.
C Speeded up the process of.
D. Played a less important role than.
【小題3】What does the third paragraph mainly talk about?
A.Why natural evolution happens so slowly. |
B.The way scientists adopt to have genetic defects repaired. |
C.The advantages of man-made evolution over natural evolution. |
D.How scientists make use of man-made evolution to create new species. |
A.Near-sighted parents will be able to produce babies with good eyesight in the future. |
B.Doctors and scientists will be responsible for mass production of babies in the future. |
C.It is natural evolution that is to blame for the destruction of European wolves and mammoths. |
D.Children can now have their memory and intelligence improved with the help of gene treatment. |
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科目:高中英語 來源: 題型:閱讀理解
Going green seems to be fad(時尚)for a lot of people these days. Whether that is good or bad, we can’t really say, but for the tow of us, going green is not a fad but a lifestyle.
On April22, 2011, we decided to go green every single day for an entire year. This meant doing 365 different green things, and it also meant challenging ourselves to go green beyond easy things. Rather than recycle and reduce our energy, we had to think of 365 different green things to do and this was no easy task.
With the idea of going green every single day for a year, Our Green Year started. My life and I decided to educate people about how they could go green in their lives and hoped we could show people all the green things that could be done to help the environment. We wanted to push the message that every little bit helps.
Over the course of Our Green Year, we completely changed our lifestyle. We now shop at organic(有機(jī)的)stores. We consume less meat, choosing green food. We have greatly reduced our buying we don’t need. We have given away half of what we owned through websites. Our home is kept clean by vinegar and lemon juice, with no chemical cleaners. We make our own butter, enjoying the smell of home-made fresh bread. In our home office anyone caught doing something ungreen might be punished.
Our minds have been changed by Our Green Year. We are grateful for the chance to have been able to go green and educate others. We believe that we do have the power to change things and help our planet.
【小題1】What might be the best title for the passage?
A.Going Green. | B.Protecting the Planet. |
C.Keeping Open-Minded | D.Celebrating Our Green Year. |
A.they were expected to follow the green fad |
B.they didn’t know how to educate other people |
C.they were unwilling to reduce their energy |
D.they needed to perform unusual green tasks |
A.They tried to get out of their ungreen habits. |
B.They ignore others’ ungreen behavior. |
C.They chose better chemical cleaners. |
D.They sold their home-made food. |
A.The government will give support to the green people. |
B.The couple may continue their project in the future. |
C.Some people disagree with the couple’s green ideas. |
D.Our Green Year is becoming a national campaign. |
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