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【判断题】
简单随机抽样适用于总体数目多且个体差异程度较小的情况。()A.
正确
B.
错误
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】蛋白质的三级结构是指
A.
蛋白质主链分子的空间构象
B.
蛋白质所有原子的空间排布
C.
多个亚基所构成的空间构象
D.
蛋白质分子中氨基酸的排列顺序
E.
以上都不对
【简答题】A.Because they want to retum to the job market． B.Because they want to leam something new． C.Because they want to make up for the education they missed． D.Because they want to prove themselves to be u...
【单选题】What do the airline companies want to do?
A.
They want to increase profits.
B.
They want to benefit the passengers.
C.
They want to sell cheap seats.
D.
They want to beat their competitors.
【单选题】蛋白质的三级结构是指
A.
蛋白质分子中所有原子的空间排布
B.
蛋白质分子中主链骨架原子的空间排布
C.
蛋白质分子中侧链原子的空间排布
D.
蛋白质分子中所有肽链的空间排布
【单选题】What do they want to do?
A.
They want to study.
B.
They want to read.
C.
They want to play game.
【简答题】A．They want to be great soldiers. B．They want to be savages. C．They want to win then they can be right. D．They want to be civilizations.
【单选题】Where do the mother and her son want to go?
A.
They want to go to London.
B.
They want to go to a concert.
C.
They want to go to Oxford.
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