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阅读填词Stopreadingforaminuteandthinkaboutwhatyouseewhenyoulookupintheskyonaclearnight.Youmayseemanystars.Longago,farmersw1somestarstoknowwhentoplanttheircrops.Travelersdids2to

题目详情

阅读填词

  Stop reading for a minute and think about what you see when you look up in the sky on a clear night. You may see many stars. Long ago, farmers w 1 some stars to know when to plant their crops. Travelers did s 2 to find their way in the dark. Today stars are a s 3   important to some people.

  Scientists found out that most stars are very big. In fact some stars are so far away from us that it would take m 4 of light-years to get to them even by spaceship.

  A 5 thing we know today about stars is that some are made up of hot gases. The gases are so hot that they send out light. If you o 6 look up at a star carefully at night, you may find it twinkles sometimes. As you may understand, light from a star must shine t 7 the air before you can see the star. Air is always moving, it makes light from the star m 8 . When the light moves, it makes the star twinkle. Stars also have different c 9 . To our surprise, the coolest stars are red and the hottest o 10 are blue white.

1.w   2.s   3.s   4.m   5.A  

6.o   7.t   8.m   9.c   10.o  

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答案和解析

watched; so; still; millions; Another; often; through; move; colors; ones