3. Where is Kimi? He (do) his homework in the study at present.

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                B 

    The journey to the moon has been the first step towards future exploration (探險(xiǎn)) in space. The distance between the Moon and the Earth is very short indeed when compared with the distances between the Earth and other planets. Mars,the nearest planet to Earth,is millions of miles away!Traveling to the planets will be man's next aim. Such travels will be more difficult than the trip to the moon and certainly more adventurous (冒險(xiǎn)) .

     A few years ago,two American spaceships,Virkings 1 and 2,landed on Mars,trying to discover whether that planet has any life on it. So far the signs of life on Mars has neither confirmed (確認(rèn)) nor ruled out. Russians have discovered that the surface of Venus (金星) is so hot that it is almost certain that there is no life there. Also the atmosphere of Venus is very dense (稠) and the pressure is nearly a hundred times greater than that of the Earth's atmosphere. In 2OI5，New Horizons (新視野號(hào)) took a close look at Pluto (冥王星) .It looks like Earth' s big brother. But before scientists find out the real situation on it,we can't depend on it.

     Scientists believe man may find planets which have the same conditions as those we have on the Earth,but man should realize the Earth will be his only home for a long time and begin to love and care for it.

() 29. According to the passage,traveling to the planets will be .

   A. much easier and even more interesting

   B. far more exciting and dangerous

   C. man 's  final aim

   D. man's first aim

() 30. From the passage,we can guess .

   A. there is life on Mars

   B. there is no life on Mars

   C. the atmosphere of Mars is not so dense as that of Venus

   D. scientists will have little hope to find the answers

() 31. Man can live on under the conditions of .

   A. much too hot surface

   B. the same pressure as we get on the Earth

   C. normal atmosphere as we have on the Earth

   D. Both B and C

() 32. Scientists think we wshould take care of our Earth because .

   A. the only home of man will be the Earth for a long time

   B. everything needed is provided by the Earth

    C. no other planets are to take the place of the Earth

   D. the dream to find another home for man will come true

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5. 由于天氣惡劣，我們不得不打的去那兒。

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() 6. It is important give rabbits carrots.

   A. not to;much too   B. not to;too many

   C. to not;much too   D. to not;too many

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8. -Who (take) care of you at the age of two? —My mother did.

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2. Jim,with his family,often (play) cards on Sunday afternoons.

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