4.為什么沒有人和我們聯(lián)系呢？

Why has no one           us?

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1.北京在中國(guó)的北部。(in the north of)

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(   ) 5. It’s cold here. You’d better       your coat.

   A. put on   B. to wear

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5.在宇宙中       

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  Scientists are very interested in the universe,and they always want to know more about it. Years ago they knew many things about the  11     . They knew how big it was and  12       it was from the earth， 13      they still wanted to know more. They thought the best way was to 14      men to the moon. The moon is about 384,000 kilometres away from the earth. A common plane cannot 15      to the moon because the 16       reaches only  240 kilometres away from the earth.  But 17      can fly even when there is no air. That is a rocket(火箭) .

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There is gas(氣體) in the rocket，so it can fly out into  19         . Rockets with men in them have been to the moon. Several rockets without men in them have already flown to 20      planets much farther away than the moon. One day,rockets may be able to go to any place in space.

(   ) 11. A.  star   B. moon

   C.  sun   D. planet

(   ) 12. A.  how much   B. how long

   C.  how many   D. how far

(   ) 13. A.  so   B. and

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(   ) 15. A.  walk   B. fly

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7. Each student in the class is able to        (交流) with foreigners.

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4. It’s     (possible) for me to be there before eight. It’s ten to eight now.

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(   ) 6. Please send me a      when you get toCanada.

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5. —  you      (have) your supper?

—Yes,I have.

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