题目内容

[A] it refused to award her for her job
[B] she had to deal with rude members of the council
[C] it was responsible for her problems
[D] it denied her any clerical support

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A. 由于未设对照组，不能判定该药是否能够预防流感
B. 由于两组发病率相差不大，不能认为该药能够预防流感
C. 服药组的发病率低于未服药组的发病率，可以认为该药有效
D. 因为有抽样误差存在，不能作出结论
E. 本资料应作假设检验后再作结论

[A] it refused to award her for her job[B] she had to deal with rude members of the council[C] it was responsible for her problems[D] it denied her any clerical support