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Most people will tell you that they can’t work without a cup of coffee in the morning. Research has shown that a cup of coffee does give a person slight excitement.
Legend said that Kaldi, an Ethiopian, found his goats happier while enjoying coffee plants. Curiously, he tasted the leaves and began to dance around. Whether the Legend was true or not, the discovery of coffee dates back to 800A. D. Soon Arabians were roasting coffee beans. Muslims were drinking coffee to stay awake by 1000 A.D. A merchant from Venice introduced coffee to Europe in 1615. By 1696, the Dutch started growing the coffee bush in Java. By 1723, coffee plants were introduced to the Americans. Today, coffee is the most popular drink in the world.
Caffeine is the major chemical in coffee. It blocks(阻止) adenosine, a chemical that makes you sleepy. People can get a pick-me-up or stimulation(刺激) from the drink. The stimulation does not last long. Caffeine poisoning can occur if more than 400 milligrams of caffeine is drunk in a short period, which is about four to five cups of coffee. Caffeine will also cause sleep difficulty, so it should not be drunk before bed.
Caffeine has many advantages. Studies have shown that it helps improve some skills in elderly women. Women who drank three cups of coffee daily scored higher on memory tests than women who drank one cup of coffee. According to newser.com, one cup of coffee a day protects the brain. Coffee also can help people keep away from many diseases according to webmd.com.
Large amounts of coffee can cause nervousness, worries and a fast heartbeat. However, if you mix coffee with milk, it’s fine. Caffeine can be addictive like any drug. The more you drink, the more you depend on it. For some people, just one cup of coffee a day is OK.
1.Who found the most popular drink in the world according to the Legend?
A. An Ethiopian. B. Arabians. C. Muslims. D. The Dutch.
2.When was the coffee introduced to Europe?
A. In the 1710s. B. In the 1610s. C. In the 1690s. D. In the 1720s.
3.From the third paragraph we can learn ___________.
A. caffeine can make people sleepy
B. adenosine can make people awake
C. about four to five cups of coffee will cause sleep difficulty
D. coffee is considered harmful if it is taken in a large amount
4.The fourth paragraph mainly tells us ___________.
A. the importance of coffee B. the good effects of coffee
C. the bad effects of coffee D. the development of coffee
5.If you like drinking coffee, you had better_______.
A. drink it before bed B. give up this bad habit
C. drink one cup of coffee a day D. drink more coffee than milk
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Most people will tell you that they can’t work without a cup of coffee in the morning. Research has shown that a cup of coffee does give a person slight excitement.
Legend said that Kaldi, an Ethiopian, found his goats happier while enjoying coffee plants. Curiously, he tasted the leaves and began to dance around. Whether the Legend was true or not, the discovery of coffee dates back to 800A. D. Soon Arabians were roasting coffee beans. Muslims were drinking coffee to stay awake by 1000 A.D. A merchant from Venice introduced coffee to Europe in 1615. By 1696, the Dutch started growing the coffee bush in Java. By 1723, coffee plants were introduced to the Americans. Today, coffee is the most popular drink in the world.
Caffeine is the major chemical in coffee. It blocks(阻止) adenosine, a chemical that makes you sleepy. People can get a pick-me-up or stimulation(刺激) from the drink. The stimulation does not last long. Caffeine poisoning can occur if more than 400 milligrams of caffeine is drunk in a short period, which is about four to five cups of coffee. Caffeine will also cause sleep difficulty, so it should not be drunk before bed.
Caffeine has many advantages. Studies have shown that it helps improve some skills in elderly women. Women who drank three cups of coffee daily scored higher on memory tests than women who drank one cup of coffee. According to newser.com, one cup of coffee a day protects the brain. Coffee also can help people keep away from many diseases according to webmd.com.
Large amounts of coffee can cause nervousness, worries and a fast heartbeat. However, if you mix coffee with milk, it’s fine. Caffeine can be addictive like any drug. The more you drink, the more you depend on it. For some people, just one cup of coffee a day is OK.
1.Who found the most popular drink in the world according to the Legend?
A. An Ethiopian. B. Arabians.
C. Muslims. D. The Dutch.
2.When was the coffee introduced to Europe?
A. In the 1710s. B. In the 1610s.
C. In the 1690s. D. In the 1720s.
3.From the third paragraph we can learn ___________.
A. caffeine can make people sleepy
B. adenosine can make people awake
C. about four to five cups of coffee will cause sleep difficulty
D. coffee is considered harmful if it is taken in a large amount
4.The fourth paragraph mainly tells us ___________.
A. the importance of coffee B. the good effects of coffee
C. the bad effects of coffee D. the development of coffee
5. If you like drinking coffee, you had better_______.
A. drink it before bed B. give up this bad habit
C. drink one cup of coffee a day D. drink more coffee than milk
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—Can you tell me _______ the old people’s home?
—Last Sunday.
A.when they will visit B.when will they visit
C.when did they visit D.when they visited
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根据短文内容，判断句子正（T）、误（F）。
Most animals are helped by people. They can’t live without us. But sometimes people have made the environment worse. For example, in some parts of the world the forests are being cut down.
The animals in the forests have become fewer and fewer. People hope to grow more food on the land, but the wind blows the earth away. Now forests become smaller and smaller, the soil becomes poorer and poorer. Now there are fewer animals and plants in the world. Insects (昆虫) are usually killed, but some plants need insects. Their seeds (种子) can’t spread without them. Birds eat insects, and without insects many kinds of birds will die.
There are hundreds and hundreds of plants and animals, and each plant is helped by another, so does each animal. If you hurt one, you will hurt another, then another. Scientists know this well. They don’t want people to break their environment.
1.It isn’t good for our environment to cut down forests.
2.Animals in the world are becoming fewer and fewer.
3.Animals and plants helped by each other.
4.After the wind blows, the earth becomes richer and richer.
5.This article tells us it is important to make our environment worse and worse.
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Mom always tells me that nothing can be learned _______hard work..
A. with B.by C. for D. without
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Mom always tells me that nothing can be learned _______hard work..
A. with B.by C. for D. without
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Mom always tells me that nothing can be learned ________hard work.
A.with B.by C. for D.without
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Mom always tells me that nothing can be learned __________ hard work.
A. with B. by C. for D. without
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—_______ will be not easy for people to work without computers.
A.There B.This C.That D.It
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The Family Computer (家用电脑)
Now most people can't live without the cellphone or computer.Do you agree with me?
The family computer is ______ and not very expensive，but it has a good look.It can be used______.You can calculate，make notes，learn English，______others and type letters on it.Computers can______ hundreds of times faster than human beings.What's more，you can surf on the net，watch VCDs，play games，do office work and even ______in a supermarket ______it.By connecting (连接) a computer to the ______，we can get the latest information in all fields.We can get______ by computers.
Through the Internet，computers help us______a more convenient (方便的) life.They link the world and make the world a large ______.
1.A. wide B. small C. long D. little
2.A. quickly B. fast C. slowly D. easily
3.A. call B. give C. visit D. love
4.A. do B. study C. work D. say
5.A. do shopping B. do cleaning C. do reading D. do housework
6.A. from B. with C. to D. between
7.A. telephone B. information C. radio D. Internet
8.A. money B. book C. help D. friend
9.A. lives B. living C. lived D. live
10.A. school B. room C. city D. family