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B
Many people say that the United States is a paradise for the children, a struggling field for the youth and a tomb for the aged. However, the situation is quite different in Australia. Different people have their own ways for enjoyment and their own worlds of pastime.
Most children often work hard in school since they have to face various exams. After school they do not want to confine themselves to books any more. Instead, they put aside their schoolbags at home and sneak quickly to some quiet street comers for their games. Bigger children like to shoulder their large kites to some steep cliffs, and jump to fly in the sky with their kites.
Some old people often get up early in the morning and go to parks to do newspaper reading. After breakfast, they come to horse races, dog races and sometimes car races for betting. If he wins, he will feed himself a good dinner. In the evening, they stay at home, watching TV sometimes with grandchildren. Some of the aged also enjoy fishing and gardening.
Young people prefer to go outing for holidays. At the weekends, they go to the seashore for swimming or to the forest for hunting and camping, or mountainous areas for picnicking. Then in the evenings on Sundays, they start their long bumper-to-bumper drive back on the highways. Nobody seems in a hurry.
The Australian government also encourages its people to have more relaxation after work. Sometimes, certain kind of financial help is distributed to people going on holidays and public holidays are purposely set on Monday or Friday so that Australians may have a longer weekend for enjoyment. They think people can word better only after they get a full relaxation. And it grows out of this idea that relaxation comes the top priority(优先权)for enjoyment in Australia.
60.According to many people’s opinion, which of the following is NOT true?
A.All people in the US live a desirable life.
B.The competition among American young people is fierce.
C.The life of the American old people is very terrible.
D.Children in America are extremely happy.
61.Australia is different from America because Australia_______.
A.is not a paradise for children
B.is not a struggling field for the youth
C.is not a tomb for the aged
D.has different worlds for different people
62.There is an idea of enjoyment priority in Australia because____.
A.enjoyment is more important than other aspects of life
B.a full relaxation will make people work better
C.enjoyment can make people happy
D.Australian people are lazy
63.The underlined part can be replaced by “ ______.
A.adjust themselves to B.prevent themselves form
C.limit themselves to D.satisfy themselves with
B
Many people say that the United States is a paradise for the children, a struggling field for the youth and a tomb for the aged. However, the situation is quite different in Australia. Different people have their own ways for enjoyment and their own worlds of pastime.
Most children often work hard in school since they have to face various exams. After school they do not want to confine themselves to books any more. Instead, they put aside their schoolbags at home and sneak quickly to some quiet street comers for their games. Bigger children like to shoulder their large kites to some steep cliffs, and jump to fly in the sky with their kites.
Some old people often get up early in the morning and go to parks to do newspaper reading. After breakfast, they come to horse races, dog races and sometimes car races for betting. If he wins, he will feed himself a good dinner. In the evening, they stay at home, watching TV sometimes with grandchildren. Some of the aged also enjoy fishing and gardening.
Young people prefer to go outing for holidays. At the weekends, they go to the seashore for swimming or to the forest for hunting and camping, or mountainous areas for picnicking. Then in the evenings on Sundays, they start their long bumper-to-bumper drive back on the highways. Nobody seems in a hurry.
The Australian government also encourages its people to have more relaxation after work. Sometimes, certain kind of financial help is distributed to people going on holidays and public holidays are purposely set on Monday or Friday so that Australians may have a longer weekend for enjoyment. They think people can word better only after they get a full relaxation. And it grows out of this idea that relaxation comes the top priority(优先权)for enjoyment in Australia.
60.According to many people’s opinion, which of the following is NOT true?
A.All people in the US live a desirable life.
B.The competition among American young people is fierce.
C.The life of the American old people is very terrible.
D.Children in America are extremely happy.
61.Australia is different from America because Australia_______.
A.is not a paradise for children
B.is not a struggling field for the youth
C.is not a tomb for the aged
D.has different worlds for different people
62.There is an idea of enjoyment priority in Australia because____.
A.enjoyment is more important than other aspects of life
B.a full relaxation will make people work better
C.enjoyment can make people happy
D.Australian people are lazy
63.The underlined part can be replaced by “ ______.
A.adjust themselves to B.prevent themselves form
C.limit themselves to D.satisfy themselves with
查看习题详情和答案>>A black hole is created when a large star burns out. Like our sun, stars are unbelievably hot furnaces (熔炉) that burn their own matter as fuel. When most of the fuel is used up, the star begins to die.
The death of a star is not a quiet event. First there is a huge explosion. As its outer layer is blasted off into space, the dying star shines as brightly as a billion suns.
After the explosion gravity pulls in what’s left of the star. As the outside of the star sinks toward the center, the star gets smaller and smaller. The material the star is made of becomes tightly packed together. A star is so dense that a teaspoon of matter from it weighs billion of pounds.
The more the star shrinks, the stronger the gravity inside it becomes. Soon the star is very tiny, and the gravity pulling it in is unbelievably strong. In fact, the gravity is so strong that it even pulls light into the star! Since all the light is pulled in, none can go out. The star becomes black when there is no light. Then a black hole is born!
That’s what we know about black holes. What we don’t know is this: What happens inside a black hole after the star has been squeezed into a tiny ball? Does it keep getting smaller and smaller forever? Such a possibility is hard to imagine.
But if the black hole doesn’t keep shrinking, what happens to it? Some scientists think black holes are like doorways to another world. They say that as the star disappears from our universe, it goes into another universe. In other words a black hole in our universe could turn into a “white hole” in a different universe. As the black hole swallows light, the white hole shines brightly—somewhere else. But where? A different place, perhaps, or a different time — many years in the past or future.
Could you travel through a black hole? Right now, no. Nothing we know of could go into a black hole without being crushed. So far the time being, black hole must remain a mystery.
Black holes are a mystery—but that hasn’t stopped scientists from dreaming about them. One scientist suggested that in the future we might make use of the power of black holes. They would supply all of Earth’s energy needs, with plenty to spare. Another scientist wondered if a black hole could some day be used to swallow earthly waste—a sort of huge waste disposal(处理) in the sky!
When the star begins to die ______.
A. there is no fuel left in it B. its outer layer goes into space first
C. a huge explosion will happen D. it doesn’t give off light any longer
Which of the following doesn’t help produce a black hole?
A. The gravity inside the star is very strong. B. The light can’t go out of the star.
C. The star becomes smaller and smaller D. The dying star shines very brightly.
The black hole ______.
A. continues becoming smaller and smaller all the time
B. goes into another universe and becomes a white hole
C. can pull in everything we know of in the world
D. will appear at another place at a different time
What’s the best title for this passage?
A. A New Scientific Discovery: Black Holes
B. How Do Black Holes Come Into Being?
C. What Are Black Holes?
D. Travel Through A Black Hole
查看习题详情和答案>>A black hole is created when a large star burns out. Like our sun, stars are unbelievably hot furnaces(熔炉) that burn their own matter as fuel. When most of the fuel is used up, the star begins to die.
The death of a star is not a quiet event. First there is a huge explosion. As its outer layer is blasted off into space, the dying star shines as brightly as a billion suns.
After the explosion gravity pulls in what’s left of the star. As the outside of the star sinks toward the center, the star gets smaller and smaller. The material the star is made of becomes tightly packed together. A star is so dense that a teaspoon of matter from it weighs billion of pounds.
The more the star shrinks, the stronger the gravity inside it becomes. Soon the star is very tiny, and the gravity pulling it in is unbelievably strong. In fact, the gravity is so strong that it even pulls light into the star! Since all the light is pulled in, none can go out. The star becomes black when there is no light. Then a black hole is born!
That’s what we know about black holes. What we don’t know is this: What happens inside a black hole after the star has been squeezed into a tiny ball? Does it keep getting smaller and smaller forever? Such a possibility is hard to imagine.
But if the black hole doesn’t keep shrinking, what happens to it? Some scientists think black holes are like doorways to another world.They say that as the star disappears from our universe, it goes into another universe. In other words a black hole in our universe could turn into a “white hole” in a different universe. As the black hole swallows light, the white hole shines brightly — somewhere else. But where? A different place, perhaps, or a different time — many years in the past or future.
Could you travel through a black hole? Right now, no. Nothing we know of could go into a black hole without being crushed.So far the time being, black hole must remain a mystery.
Black holes are a mystery—but that hasn’t stopped scientists from dreaming about them. One scientist suggested that in the future we might make use of the power of black holes. They would supply all of Earth’s energy needs, with plenty to spare. Another scientist wondered if a black hole could some day be used to swallow earthly waste—a sort of huge waste disposal (处理) in the sky!
When the star begins to die ______.
A.there is no fuel left in it B.its outer layer goes into space first
C.a huge explosion will happen D.it doesn’t give off light any longer
Which of the following doesn’t help produce a black hole?
A.The gravity inside the star is very strong.
B.The light can’t go out of the star.
C.The star becomes smaller and smaller
D.The dying star shines very brightly.
The black hole ______.
A.continues becoming smaller and smaller all the time
B.goes into another universe and becomes a white hole
C.can pull in everything we know of in the world
D.will appear at another place at a different time
What’s the best title for this passage?
A.A New Scientific Discovery: Black Holes
B.How Do Black Holes Come Into Being?
C.What Are Black Holes?
D.Travel Through A Black Hole
查看习题详情和答案>>Some teens believe drugs will help them think better, and be more popular. These days, drugs can be found everywhere. Many teens are tempted(诱惑) by the excitement or escape from reality that drugs seem to offer.
Drugs are chemicals that change the way our bodies work. When you put them into your body, drugs find their way in your blood and are taken to parts of your body, such as your brain.
The effects of drugs can be different depending on the kind of drug taken, how much is taken, how often it is used, how quickly it gets to the brain, and what other drugs or food are taken at the same time. Although drugs can make you feel good at first, they can finally do a lot of harm to the body.
There are many kinds of drugs available, and there are many reasons for trying them regularly. People take drugs just for pleasure they believe they can bring. Often it’s because someone told them that drugs would make them feel good or that they’d have a better time if they took them.
Many teens use drugs because they’re unhappy or think drugs will help them escape their problems. The truth is that drugs don’t solve problems—they simply hide feelings and problems. When a drug wears off, the feelings and problems remain, or became worse. Drugs can ruin every aspect of a person’s life.
The main idea of the second paragraph is probably _________.
A. how drugs work
B. what drugs are made of
C. that drugs can reduce physical pain
D. that drugs dull your senses
People take drugs regularly _________.
A. just for good health
B. because they can have a better life
C. just for pleasure
D. because they need them
__________ cause teens to take drugs.
A. Physical pain, escaping and fear
B. Escaping, excitement and unhappiness
C. Curiosity, fear and escaping
D. Excitement, unhappiness and their physical pain
Which of the following is NOT true ?
A. Drugs may be tempting to teens.
B. Drugs do harm to the body.
C. Drugs can solve people’s problems.
D. Drugs can make people happy.
Which of the following would be the best title for the passage?
A. Drugs: the Killer of People
B. Drugs: the Favorite of Teens
C. Drugs: What You Should Take
D. Drugs: What You Should Know
查看习题详情和答案>>