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【简答题】
有质量分数为1.5%的蛋白质溶液,欲使蛋白质浓缩至12%,假如截留率R=0.8,求蛋白质的浓缩倍数和收率
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【单选题】Six people，_________ a baby，were injured in the accident．
A.
included
B.
including
C.
includes
D.
include
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【单选题】You should put on the notices ______ all the people may see them.
A.
where
B.
in which
C.
at
D.
for them
【简答题】传统数据库用于( )处理,比如增加、删除、修改、查询和统计操作。 数据仓库用于( )处理,服务于管理人员的 决策分析 ,如通过挂号历史数据作长期趋势分析。
【简答题】英汉互译。 1. by bike______________ 3. many people______________ 5. play the piano______________ 7. 游泳池______________ 9. 惊喜______________ 2. how old______________ 4. how often______________ 6. in the corne...
【单选题】People don't wink.
A.
Bangladesh
B.
Indonesia
C.
Thailand
D.
The United Arab Emirates
【单选题】An attractive girl was looking __________ among the people.
A.
bored
B.
excited
C.
happy
【单选题】These art works the creativeness of the Chinese people.
A.
. end up
B.
bear witness to
C.
.show witness of
D.
amount to
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