针对城市中的散工、无家可归的流浪者或吸毒者进行抽样,最适合采取的抽样方法是( )
A.雪球抽样
B.简单随机抽样
C.系统抽样
D.抽样误差
正确答案是A
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Complete the following sentence with a (compound) word derived from the one(s) given in bracket.
No wonder the local people call it one of the ( ) areas in the world. (misery)
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