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【单选题】
高空飞行，按照飞行高度区分为（）A.
4500米（含）至9000米（含）
B.
7000米（含）至15000米（含）
C.
6000米（含）至12000米（含）
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举一反三
【单选题】He the book to the library if he it tomorrow.
A.
returns; finishes reading
B.
will return; will finish to read
C.
will return; finishes to read
D.
will return; finishes reading
【单选题】I don‘t know if it __tomorrow. If it __ ， I won‘ t go.
A.
will rain； rains
B.
will rain； will rain
C.
rains； rains
D.
rains； will rains
【单选题】Will it matter if you don' t take your breakfast? Recently a test was given in the United States. Those tests included people of different ages, from 12 to 83. During the experiment, these people were...
A.
breakfast has great effect on work and studies
B.
breakfast has much to do with people's health
C.
a person will work better if he has simple breakfast
D.
breakfast only affects those who work with their brains
【单选题】What's the bad effect of the way the Regular Readers read Harry Potterl
A.
It will promote too many visits to the places the book mentions.
B.
It will discourage people from reading real masterpieces.
C.
It will foster reading as part of a fast-food culture.
D.
It will cause a confusion of faddism with classics.
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