17. If you feel   ( comfortable ) , sit down and have a rest.

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    Is there life on Mars? We still do not know.According to scientific data,we are s1 that people cannot live on Mars. People need much oxygen to breathe,but there is almost no oxygen on Mars.

   Living on Mars would be 1 2 living on a very high mountain.There would be little air. It might be 50℃ a 3 zero at noon and 100T!below zero at night.

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6. 7. 8. 9. 10.

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10.隨著科技的發(fā)展，世界變得越來(lái)越小了。

 science and technology,the world is becoming smaller and smaller.

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13. (2015 江蘇徐州期末) This year's Beijing Musik Awards  next Saturday evening.

   A. has covered live

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3. (2015 貴州齡西南中考) —I'm going to Lijiang on vacation next Sunday.-

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5. What's the   (distant) from Tianjin to Beijing?

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5. I'd like to borrow a book on computer  (技術(shù)) .

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12. Look!The machine is   (spin) all the time.

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Do the workers work to  ?

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