阅读理解

　　When Mary was a student she always wanted to be a teacher because she liked children．When she was twenty-one years old,she began teaching in a small school．She was a good teacher and laughed a lot with the children in her class．They liked her teaching．One day,one of the girls in her class said to her,“Mary,why does a man's hair become grey before the mustache?” Mary laughed and answered,“I don't know,Helen．Do you know why it becomes grey before the mustache?” “I don't know,either,” answered Helen．“But it happened to my father．”

　　Then one of the boys said,“I know,Helen．Men's hair becomes grey first because it is sixteen years older than their mustache．”

根据短文内容，填入所缺单词。

　　Mary wanted to 　　1　　 a teacher when she was very 　　2　　．She 　　3　　 a teacher at the 　　4　　 of twenty-one．She 　　5　　 well and the children 　　6　　 her very much．One day 　　7　　 asked her a hard question．She wanted to know why 　　8　　 hair became grey before their mustache．It was hard for Mary to answer．But a boy could．He thought a man's hair became grey first just 　　9　　 a man 　　10　　 have mustache when he was young enough．

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10．________

阅读理解

　　Larry is going to be a pilot．He wants to fly an airplane．But Larry is not a rich man．He doesn't have an airplane．He has only a chair．Larry ties 45 big balloons to his chair and then sits in the chair．The chair goes up．

　　For a few minutes,everything is fine．The view from the chair is beautiful．Larry can see houses and trees below him．He is happy．He is flying!

　　The chair goes up very high．Larry is afraid．“I don't want to go very high,” Larry thinks．“I want to go down a little．” With a small gun,Larry shoots 10 balloons．Then something terrible happens．Larry drops the gun,and it falls to the ground．Larry can't shoot more balloons．The chair goes up and up．

　　Larry is three miles above the ground．Airplanes are flying over him and under him．Larry has a small radio．“Help! Help!” he says into the radio．“I'm flying in a chair,and I want to come down!” People hear Larry,but they can't help him．

　　Larry flies in the chair for 45 minutes．Then the balloons begin to lose air,slowly the chair comes down,and Larry is back on the ground．He is not hurt．

根据短文内容，回答问题。

1．What does Larry want to be?

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2．Why does the chair go up into the air?

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3．What does he do when the chair goes up higher and higher?

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4．Do the airplanes give him any help?

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5．Why does the chair come down at last?

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