Results of the experiment indicated that ______.A.patients treated with venom were stung l

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Results of the experiment indicated that ______.

A.patients treated with venom were stung less frequently

B.immunotherapy was effective for all patients

C.immunization took place in 7 out of 12 patients

D.the traditional treatment was as effective as the placebo

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  • 正确答案:D
    解析:重要句题。最后一句实验结果说明传统治疗方法与安慰疗法等效。A项经过毒液治疗的人更少被蜜蜂蜇,文中未提。B项在最后实验结果表明并不是所有人的效果相同。C项中的结果没有说用哪种治疗方法,不能判断。