单项选择题
There's no right amount of sleep for everyone,and generally sleep requirements de crease with age.
A.每个人都没有恰当的睡眠量,一般来说,睡眠需求会随着年龄增长而减少。
B.每个人所需的睡眠时间不尽相同,一般是随着年龄的增长而减少。
C.睡眠不足者需求的睡眠量一般都随着年龄而减少。
D.一个人没有固定的睡眠时间,一般会缩短寿命。
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单项选择题
The new idea about education in the U. S. is that ______.
A.everyone should get a college degree
B.it's no use for adults to go to college
C.a high school diploma is the end of education
D.adults should go on learning after graduating from school
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单项选择题
What's the purpose for adults to continue their education
A.Enlarge their knowledge and learn new skills.
B.Catch up the opportunity to get a higher degree.
C.Learn more basic knowledge to get a diploma.
D.Make themselves live a more comfortable lif
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