13. (2015 •山西) In our daily life,we must learn to ourselves well at any time. It's as important as studying.
A. deal with B. worry about C. look after
13. C解析：结合本题语境可知，“我们” 必须学会自己“照顾”好自己，那和学习 一样重要，故look after符合题意。
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5. (2014 •广西桂林九年级上学期期中) It's a lovely dress but it's too expensive. I can't it.
A. spend B. pay C. afford D. cost
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5. The students are interested in English and they all hope an English club. ,
A. join B. joining C. to join D. joined
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4. (2014 •上海) The robot can help me sweep the floor. smart invention it is!
A. What B. What a C. What an D. How '
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8. (2014 •云南) China's hot words,like and tuhao,dama and lianghui,in the western media (媒体) .
A. use widely B. is widely used C. uses widely D. are widely used
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(2014 •天津)
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 (天文学家) .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? The first reason is time. Scientists believe the universe is about 12 billion years old. “This 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 望远镜) have shown that there are at least 100 billion galaxies”，says Shostak. “And our galaxy,the Milky Way,has at least 100 billion stars. Some planets going around these stars might be similar to the Earth.”
In the past,it was hard to look for signs of intelligent life in the universe. But now’powerful telescopes (高倍 望远镜) allow scientists to discover smaller planets —the size of Mars or the Earth-—in other solar systems. These planets might have intelligent life.
Have beings from space already visited the Earth? “Probably not,” says Shostak. “It's a long way away. However intelligent beings may contact us in other ways,such as radio signals (信号) . 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.9,
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 the Earth
B. Our galaxy： the Milky Way
C. Why intelligent life might exist
D. The 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^ know how to use radio signals.
10. What does the underlined phrase “life forms” in the last paragraph mean?
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一、 根据句意、所给汉语或首字母写出单词
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