LearningtospeakEnglishwellmayb

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更新 2022-09-03
科目英语
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Learning to speak English well may be the best thing you can do to improve your life. That's right. If you can communicate in English, you can:
Contact people from all over the world. Talk about your ideas and opinions on Internet discussion groups. Send email to interesting people.Learn about their life and culture.
Travel more easily. Communicate with people wherever you go—English is spoken in more than 100 countries (source). Ask directions, have a conversation, or...ask for help. Who knows, maybe English will save your life someday!
Push your career forward. If you want a good job in business, technology, or science, get out of that armchair and start learning English now! (If you already have a good job, start learning before you lose it!)
Knowing English will let you:
Put “excellent knowledge of English” on your CV. Get your dream job, and earn more money.
Gain technical knowledge. English is the language of technology, especially high technology like computer science, genetics, and medicine. If you're going to read about technology, you'll probably have to do it in English.
Learn computer science. Read technical articles without difficulty. Or write your own articles!
Be a worldclass businessman (or woman). It's simple. International business is done in English. And all business today is international. So if you want to play, you have to know English—to contact other business people, go to conferences, read international business newspapers and magazines, etc.
Become a better scientist. Contact scientists from other countries, go to international conferences, visit academic centers abroad. Learn about new scientific discoveries by reading papers, books, and magazines.
Use your computer more effectively. Most computer applications are in English, so you will understand them better—and become a better employee.
According to the passage, knowing English will let you ______.

A．travel in your country more easily

B．gain technical knowledge

C．contact people all over your country

D．watch television networks

Sending email to interesting people is a way to ______.

A．learn knowledge

B．contact people

C．become a better scientist

D．work better

A worldclass businessperson may ______.

A．write his/her own articles

B．read international business newspapers

C．talk about his/her ideas and opinions

D．read about technology

If you don't learn English, you may lose ______.

A．your good job	B．your family
C．your friends	D．your game

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Some spiders hunt on the ground, others build webs to trap their food, but the grass water spider catches its prey by running along the surface of the water.
This special water spider lives on the grassy banks of streams where mosquitoes, damsel flies and other insects come to feed and breed.
Although it is one of the largest spiders in New Zealand, it has an unusual ability. It doesn’t disturb the water as it waits for its meal, and there is barely a ripple(波纹) when it skims(掠过) across the surface at lightning speed to catch its prey.
Grass water spiders deal swiftly with larger insects like damsel flies by pulling their heads under the water and holding them there until they drown.
After a meal, the grass water spider spends up to half an hour grooming(修饰) itself. It wipes its eight eyes, brushes its antennae(触角), and takes special care to clean the hairs on its body.
It is the hairs that trap tiny bubbles(泡沫) of air so that the spider can run down a blade(叶片) of grass and stay underwater for up to an hour when it is frightened. The hairs also keep the spider dry, even underwater.
It is only when the female spider is caring for the young that she does not hunt on the water. After mating, she produces a large egg sac(囊), which she carries around for five weeks. Once the eggs start to hatch, she attaches the sac to some blades of grass or a thistle. She then tears the sac open and releases the tiny spiders into the nursery web.
1. How does the grass water spider kill its prey?
A. in a web     B. by drowning      C. by poisoning     D. with its antennae
2. the writer describes the special spider as “special” because _______.
A. it walks on water                    B. it has eight eyes　　
C. of its hairy appearance             D. of the way it produces its young
3. The passage tells us that the spider ______.
A. feeds grass and thistles to its young.　　　　
B. lives on blades of grass under the water
C. lives in the grass on the banks of streams　　
D. eats a meal once every five weeks
4. The purpose of the passage is to _______.
A. convince readers that spiders are dangerous　　
B. indicate that the grass water spider is endangered
C. list all of the spiders that can be found in New Zealand
D. describe the characteristics of the grass water spider

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Space travel is definitely bad for astronauts’ bones, reducing their bone density(密度) after only a month of weightlessness, according to French research published on Friday.
Laurence Vico and his fellow workers at St Etienne University called for more research into the effects of microgravity, after their study of 15 astronauts from the Russian MIR station showed bone loss continued throughout space flights.
“Bone loss was especially striking in four astronauts, ” the scientists reported in the Lancet Medical Journal.
They measured the bone mineral density (BMD) of bones in the forearm(前臂) and lower leg of the astronauts who had spent one to six months in space.
The BMD loss was significant in the tibia(胫骨) of the lower leg, a weight-bearing bone, but barely changed in the radius(桡骨) of the forearm. “Our results indicate the need to investigate not only different bones, but also different areas of the same bone since not all sites of the skeleton (骨架) are similarly affected by space conditions, ” they added.
Without gravity the body isn’t bearing any weight so there is no need for calcium (钙) which makes bones strong, and it becomes empty into the bloodstream.
The research team suggested in future scientists should try to determine if the loss of bone density was only on weight-bearing bones on longer flights, also the possible recovery after returning to Earth.
1. French scientists did their research on Russian astronauts, because _______.
A. they only cared for the Russian astronauts
B. they were not interested in their own astronauts
C. the Russian government invited them to do their research
D. the Russian astronauts worked in space for a long time
2. Scientists have found that _______.
A. the BMD loss may cause serious illness to astronauts
B. the BMD loss may cause some change in astronauts’ bodies
C. astronauts shouldn’t care about the BMD loss
D. astronauts should take some calcium before space travel
3. What cause the BMD loss to astronauts, according to this passage?
A. The food they eat in space.                     B. The drinks they take in space.
C. The temperature in space.                D. The gravity in space.
4. In the third paragraph, the word “striking” means ______.
A. unusual             B. simple               C. weak                 D. slow

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Technology is the application(应用) of knowledge to production. Thanks to modern technology, we have been able to increase greatly the efficiency of our work force. New machines and new methods have helped cut down time and expense while increasing overall output. This has meant more production and a higher standard of living. For most of us in America, modern technology is thought of as the reason why we can have cars and television sets. However, technology has also increased the amount of food available to us, by means of modern farming machinery and animal breeding techniques, and has extended our life span via(通过) medical technology.
Will mankind continue to live longer and have a higher quality of life? In large measure the answer depends on technology and our ability to use it widely. If we keep making progress as we have over the past fifty years, the answer is definitely yes. The advancement of technology depends upon research and development, and the latest statistics(统计) show that the United States is continuing to pump billions of dollars annually(每年) into such efforts. So while we are running out of some scarce resources(少的资源) we may well find technological substitutes(代用品)for many of them through our research programs.
Therefore, in the final analysis the three major factors of production(land, labor and capital) are all influenced by technology. When we need new skills, on techniques in medicine, people will start developing new technology to meet those needs. As equipment proves to be slow or inefficient, new machines will be invented. Technology responds to our needs in helping us maintain our standard of living.
1. What is the best title for the passage?
A. The definition of technology           B. Modern technology
C. The application of technology          D. The development of technology
2. Which is the main idea of the passage?
A. Modern technology is the key to the improvement of standard of living.
B. The three major factors of production (land, labor and capital) are all influenced by technology.
C. Technology is the response to our needs.
D. The United States is making great efforts to advance its technology.
3. According to the passage, people can live a long life with the help of _______.
A. higher quality of life                     B. medical technology
C. modern farming machinery             D. technological substitute

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Weather changes when the temperature and the amount of water in the atmosphere change. We can see and feel water coming from the atmosphere when we have rain. But the water must somehow get back to the atmosphere. Meteorologists call this the water cycle.
There are many stages in the water cycle. Rain falls when water vapour in clouds condenses(凝结). Drops of water form and fall to the ground. The water soaks into the ground and feeds streams and rivers. A lot of rain falls into the sea. The heat of the sun evaporates some of the water in the ground and in the rivers, lakes, and the sea. It changes the liquid water into water vapour. The vapour rises onto the air. Water vapour is normally invisible. On a very damp or humid day, however, you can sometimes see water vapour rising from a puddle(水坑) or pond in a mist(薄雾) above the water. Water vapour also gets into the air from living things. Trees and other plants take in water through their roots and give off water vapour from their leaves. People and land animals drink water and breathe out water vapour. In all these ways the water returns to the air. There it gathers to form clouds and condenses to form rain. The rain falls to earth, and the cycle starts again. It continues even if snow or hail(冰雹) fall instead because both eventually melt to form water. The amount of water vapour in the air depends on the temperature. The air is more moist(潮湿) in the tropics(热带) than in the cold polar regions.
1. What is the main idea of the passage?
A. Water cycle.                                 B. Water vapour.
C. How rain forms.                    D. Water, vapour, rain.
2. How many ways of the water returning to the air are discussed in the text?
A. Two.                  B. Three.       C. Four.      D. Five.
3. Whether water vapour can be seen or not depends on _______.
A. how much water is evaporated         B. how good your eyes are
C. in which way water is evaporated          D. climate or weather
4. From the passage we get to know _______.
A. there is more water vapour in the air in the tropics than in cold polar regions
B. there is more water vapour in the air in cold polar region than in the tropics
C. it gets more rain in the tropics than in cold polar regions because there is less vapour
D. the amount of water vapour in the air depends on how often it rains

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To get cash out in the 21st century, you won’t need a bank card, a PIN(个人识别编号) or even have to move a finger. You will simply have to look the cash machine straight in the eye, declares National Cash Registers, a multinational company that makes automated teller machines, or ATMs. NCR has shown its first example machine that is believed to be the future of banking. Instead of asking you for your PIN on a screen, the Super Teller-Stella for short, asks you orally through a loudspeaker to look straight ahead while an infrared camera turns to your head, then your eye, and finally takes an infrared photograph of your iris(虹膜). For identification(识别) purposes, an iris picture is better than a fingerprint, with around 256 noticeable characteristics compared with 40 for fingerprints. This means that the chances of someone else being recognized in your place is about 1 in 1020. Once you’ve been identified, Stella greets you by name and says: “Would you like cash or a statement?” An infrared port allows the machine to send a bank statement straight to your pocket computer.
1. What does this passage mainly talk about?
A. A new medical instrument
B. A new type of talking machine.
C. A new type of cash machine.
D. National Cash Register
2. What is this new machine called?
A. Stella                      B. ATM                C. PIN                 D. NCR
3. When you want to get cash out in the 21st century, you will _______.
A. need a bank card                              B. have to put in your PIN
C. move your finger                         D. just look directly at the teller machine

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