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【判断题】
当中性盐逐渐加入蛋白质溶液过程中，只会出现“盐析”现象。()A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Usually, the continuing education program is given ______.
A.
in a small size and expensively
B.
only for working people
C.
only in community buildings or churches
D.
by community colleges and public schools
【简答题】A．The girl refused to refund the jeans. B．He was given the wrong size. C．The girl deliberately put the jeans in a box. D．The girl didn't handle his complaint well.
【单选题】When determining the sample size for a proportion for a given level of confidence and sampling error, the closer to 0.50 that p is estimated to be, the __________ the sample size required.
A.
smaller
B.
larger
C.
sample size is not affected.
D.
The effect cannot be determined from the information given.
【简答题】《中国药典》自 1953 年起到 2015 年版止,共出版 () 次。
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