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【单选题】
主要用于查找重大非法事项、有极高的可信赖程度的抽样方式是（）。A.
固定样本量抽样
B.
发现抽样
C.
停—走抽样
D.
PPS抽样
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举一反三
【单选题】Which of the following is true when the blind man asked the author about the cathedral?
A.
The narrator described it without difficulty.
B.
The narrator translated the TV news to the blind man.
C.
The narrator has a hard time describing a cathedral.
D.
The narrator turns the TV off.
【简答题】The blind men sat besides the roadside, begging all the time . A B C D
【单选题】Which of the following best describes the married life between the blind man and Beulah?
A.
The marriage was not approved by Beulah ' s family.
B.
She left some Mexican money to the blind man.
C.
They didn 蒺 t have a sex life.
D.
All of the above.
E.
A and B only.
【简答题】Which of the following is true when the blind man asked the author to draw a cathedral?A. The blind man's hand was following the narrator's hand in drawing. B. The blind man asked the narrator to hold...
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