1. — the way,do you think this job has become easier than it used to be?
—To be honest,it has turned out to be more difficult some ways.A. In;on B. By;on
C. By;in D. In;by
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6. (2014 上海嘉定中考一模,30, ★★☆) It is said that of the students like to help their parents with the housework.
A. three-fifths B. third-fifths
C. thirds-fifth D. three-fifth
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5. (2014 江蘇泰州,12, ★★★) About of the earth covered with water,but we have less and less available fresh water.
A. three-fourth;is
B. three-fourths;is
C. three-fourth;are
D. three-fourths;are
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6. The Great Green Wall can the wind and sand from moving to the rich land in the south of China.
A. prevent B. protect
C. provide D. promise
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(B)
Is there intelligent (有智力的) life on other planets? For years,scientists said “no”,or “we don't know”. But today this is changing. Seth Shostak and Alexandra Barnett are astronomers (天文學(xué)家). They believe intelligent life exists (存在) somewhere in the universe.They also think we will soon contact these beings (人;生物) .
Why do Shostak and Barnett think intelligent life exists on other planets? "Fhe first reason is time.Scientists believe the universe is about 12 billion years old.uThis is long enough for other planets to have intelligent life,say Shostak and Barnett.The second reason is size—the universe is huge. “ Tools like the Hubble Telescope (哈勃望遠(yuǎn)鏡) have shown that there are at least 100 billion galaxies,says Shostak.wAnd our galaxy,the Milky Way,has at least 100 billion stars.Some planets going a-round these stars might be similar to Earth.?,
In the past,it was hard to look for signs of intelligent life in the universe.But now,powerful telescopes (高倍望遠(yuǎn)鏡) allow scientists to discover smaller planets—the size of Mars or Earth—in other solar systems. These planets might have intelligent life.
Have beings from space already visited Earth? Probably not” says Shostak. “ It's a long way away. However,intelligent beings may contact us in other ways,such as radio signals (信號) .In fact,they may be trying to communicate with us now,but we don't have the right tools to receive their messages. However,this is changing. By 2025,we could make contact with other life forms in our universe and we might help each other."
6. Seth Shostak and Alexandra Barnett are .
A. astronomers B. farmers
C. singers D. drivers
7. What is the best title for Paragraph 2 ?
A. The Age and Size of Earth
B. Our Galaxy:The Milky Way
C. Why Intelligent Life Might Exist
D. Earth;The Only Planet with Intelligent Life
8. Why was it hard to look for signs of intelligent life in the universe in the past?
A. There were not any smaller planets.
B. There were not any powerful telescopes.
C. The astronomers were not interested in them.
D. The Milky Way didn't exist at that time.
9. Why haven’t beings from space visited us yet according to Shostak?
A. They’re afraid of us.
B. It's a long way away.
C. They don't want to see us.
D. They don't know how to use radio signals.
10. What does the underlined phrase “l(fā)ife forms” in the last paragraph mean?
A. Messages. B. Tools.
C. Intelligent beings. D. Radio signals.
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Dear Mr President,
I have been doing a project at school recently about animals in danger.! think their living cl are terrible in China. I am writing to you to suggest w 2 we should do to help protect animals more.
I feel so s 3 for the giant panda. It's one of the most popular animals in the world and a s 4 of China. We’ve learned that pandas mainly live on bamboo.I think we should try to do more to p 5 people from destroying their forests.
Another animal we should try to protect more is the Chi-nese alligator (揚子鱷) .They live in some a 6 of eastern China,and now the water there isn’t c 7 enough for them to live in.The government should stop factories from p 8 the lakes and rivers.
If we protect these beautiful animals in China,more people may wish to visit China to see them.They could be an important t 9 attraction. It would be good if more people came to visit our beautiful country,e 10 some quieter places in the country.
I hope you will encourage more people to think about such an important subject.
Yours sincerely,
Huang Jing
1. 2. 3. 4. 5.
6. 7. 8. 9. 10.
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7. ( 2015江蘇蘇州高新區(qū)期末) 一You seem not to be in a good .What's wrong?
—I stayed up too late last night,so I feel tired now.
A. spirit B. situation
C. shape D. mood
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