They came out to sweep off the leaves,in spite of the cold rain. 题目和参考答案——青夏教育精英家教网—

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19.They came out to sweep off the ________(fall) leaves,in spite of the cold________(fall) rain.

19. fallen;falling

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Many scientists are now exploring the idea of going to live on Mars. Some other scientists from the NASA Ames Research Centre(美国航空航天局艾姆斯研究中心) have already started the creation of a "Mars town" and many others are in fact already experimenting with it. Of course, these experiments are done on Earth itself but this " Mars town" has an environment practically like that of Mars.

The astronauts working in these towns wear their spacesuits and also do everything they would really have to carry out if they ever go to Mars in the future.

But Mars would be like Earth,a temporary place for humans. When the Sun starts swallowing up the planets,Mars will disappear only hours after Earth. So Mars only seems to be the ideal place to spread the human beings. It is also a good location to send humans if ever there is a disaster on Earth. By saying disaster,I mean asteroids(小行星) hitting and things like that.

If we humans do not want to disappear when Earth or Mars gets swal?lowed up,we will have to go and live beyond the solar system. But are there any planets outside our solar system prepared to support life? Astronomers' answer is:

"If Earth can support life,why can't other planets do the same too? As?tronomers have already discovered a Jupiter(木星) -like planet orbiting a Sun?like star,so why not an Earth-like planet orbiting a Sun-like star?"

To achieve this goal though，many other problems have to be taken into con?sideration. How do we transform a dusty planet like Mars into one more or less like our Earth? How should we go on? There is still a long way to go.

6.The "Mars town" mentioned in the passage is________ .

A.a research base on Mars

B.an experimental lab built on Earth

C.a strange place on Mars

D.a town existing in scientists' imagination

7.We can know from the passage that astronomers probably think________ .

A.it is impossible to transport humans to other planets

B.there may be an Earth-like planet outside the solar system

C.humans will move to the new-found Jupiter-like planet

D.there's no need for humans to move beyond the solar system

8.Why would Mars only be a temporary(临时) place for humans?

A.The conditions there would be too hard for the human beings.

B.There would be more disasters like asteroids hitting.

C.It would disappear when Earth disappeared.

D.It would be too hot to live on.

9.The underlined word "orbiting" in the fifth paragraph is closest in meaning to ________" ”.

A. moving around B. getting close to

C. passing by quickly D. going through

10. Which of the following would be the best title for this passage?

A. Mars town B. Living on Mars

C. The future of Earth D. Where to live in the future

A little girl lived in a simple and poor house on a hill. Usually she 1 play in the small garden. She could see over the garden fence and across the valley a wonderful house with shining golden windows high on another hill.

2 she loved her parents and her family,she desired to live in such a house and 3 all day about how wonderful and exciting 4 must feel to live there.

At the age when she gained some 5 skill and sensibility(识别力) , she 6 her mother for a bike ride 7 the garden. Her mother finally al?lowed her to go, 8 her keeping close to the house and not 9 too far. The day was beautiful. The little girl knew 10 where she was heading!

11the hill and across the valley,she rode to the 12 of the golden house.

13 she got off her bike and put it against the gate post,she focused on the path 14 to the house and then on the house itself. She was very dis?appointed when she 15 that all the windows were16and rather dirty.

So 17 and heart-broken,she didn't go any further. She 18 ，and all of a sudden she saw an amazing 19 . There on the other side of the valley was a little house and its windows were golden. Looking at her little home,she 20 that she had been living in her golden house filled with love and care. Everything she dreamed was right there in front of her nose!

1.A. might B. should C. would D. must

2.A. Unless B. Although C. Since D. But

3.A. dreamed B. worried C. asked D. shouted

4.A. this B. that C. it D. which

5.A. different B. scientific C. musical D. basic

6.A. begged B. blamed C. invited D. paid

7.A. inside B. outside C. through D. along

8.A. insisting on B. relying on

C. arguing about D. wondering about

9. A. travelling B. running C. riding D. walking

10.A. madly B. rapidly C. exactly D. possibly

11.A. Over B. Down C. Around D. Beside

12.A. windows B. steps C. centre D. gate

13.A. Until B. As

C. While D. Because

14.A. getting B. introducing C. leading D. moving

15.A. felt B. learned C. concluded D. found

16.A. transparent B. bright C. plain D. wide

17.A. anxious B. angry C. serious D. sad

18.A. turned around B. cheered up C. settled down D. dropped in

19.A. hill B. valley C. background D. sight

20.A. imagined B. decided C. realized D. guessed

4.They required that the books (return) to the school library right away.

7.The man with the gun had a ________(satisfy) expression on his face.

14.They use computers to keep the traffic ________(run) smoothly.

1.She's ________(坚决的) to enjoy every minute of her vacation.

8.She found it difficult to e________ a new routine after retirement.

4.The meeting was lasted about 4 hours without reaching any agreement.

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