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24．三种主要食物在胃中排空的速度由快至慢的顺序是（    ）

A．糖类、蛋白质、脂肪
B． 蛋白质、糖类、 脂肪
C．蛋白质、脂肪、糖类
D． 脂肪、蛋白质、糖类
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Enough sleep is important to health.The amount of sleep（21）depends on the age of the per-son and the conditions in which sleep（22）.The young may need more sleep than the old,hut（23）eight hours are enough for the health of grown-ups.Some can do with less than this amount?but（24）may need more.Every person knows his own need.It is then a matter of how to（25）it.Sleep should be always enough to make one relaxed(松弛)and ready for（26）work.
Fresh air is（27）to sound sleep(酣睡).It is not（28）reason for some people to insist that?it is practical to sleep in the open air.（29）a person can keep himself warm,out-of-door sleeping?probably gives the body（30）complete relaxation.
Ability to sleep is largely a habit.The conditions refen-ed to only lead to sleep.Out-of-door（31）,a good habit of regular drinking and the avoidance of late eating and（32）are all helpful?to sound sleep.Such factors are largely within the（33）of any person.A bath at（34）,neither?hot nor cold but of body temperature,may be helpful to sleep.Sleeping pills should never be taken?except when suggested by（35）.
第（28）题选
A.thebest
B.atall
C.without
D.agood
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2020 年 5 月，某国有企业转让 2015 年 5 月在市区购置的一栋办公楼，取得不含增值税收入 10000 万元，签订产权转移书据，相关税费 115 万元，2015 年购买时支付价款 8000 万元，办公楼经税务机关认定的重置成本价为 12000 万元，成新率 70%。该企业在缴纳土地增值税时计算的增值额为（  ）万元。
A、400
B、1485
C、1490
D、200
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采用回弹法检测混凝土构件强度时,相邻两测区的间距应控制在( )以内。
A.1m
B.2m
C.3m
D.4m
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