() 5. Mum always tells me that nothing can be learned hard work.
A. with B. by land C. for D. without
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2. She started riding a bike when she was 10 years old.(同义句转换)
She started riding a bike 10.
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() 13. — His friend wants to go swimming it’s very hot.
—It’s OK. But allow him to do that alone!
A. so;not B. so; don't C. because;not D. because; don't
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() 10. He became a doctor 27.
A. on the age B. on the age of C. at the age D. at the age of
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The world itself is becoming much smaller by using modern traffic,TV sets,telephones and so on. Life today Ls much easier than it was hundreds of years ago,but there are also new problems. One of the biggest is pollution. Pollution comes in many ways. We see it,smell it,drink it and even hear it.
The more people,the more pollution. Many years ago,the problem was not so serious because there were not so many people. Man is now slowly polluting the whole world.
Air pollution is still the most serious. It’s bad to all living things in the world. Water pollution kills our fish and pollutes drinking water. Noise pollution makes us become angry more easily.
Many countries are making rules to fight against pollution. They stop people from burning coal in houses and factories in the city.
The pollution of S02 is now the most dangerous problem of air pollution. It is caused by heavy traffic. It is true that if there are fewer people driving,there will be less air pollution.
() 36. Our world is becoming much smaller.
A. because the water is being polluted day and night
B. thanks to the scientific development
C. because of the rise in population
D. because the earth is blown away by the wind every year
() 37. Thousands of years ago,life was it is today.
A. much easier than B. as easy as
C. as hard as D. much harder than
() 38. Pollution comes in many ways. We can even hear it. Here “it” means “
A. water pollution B. air pollution
C. noise pollution D. rubbish
() 39. Air pollution is the most serious kind of pollution because.
A. it's bad to all living things in the world
B. it makes much noise
C. it has made our rivers and lakes dirty
D. it makes us become angry more easily
() 40. Which of the following is NOT true?
A. Many countries are making rules to fight against pollution.
B. The problem of pollution is not so serious because there are so many people.
C. From now on,people should try to go to work by bus or bike instead of by car or motorbike. It is helpful in fighting against the pollution of SO2.
D. The pollution of the earth now is much worse than before.
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