问题
选择题
Even if the treatment _____, there’s still no magic pill for patients in the late stage of AIDS.
A．does
B．performs
C．works
D．runs
答案
答案：C
题目分析：考查动词：A. does做，行，B. performs表演，C. works工作，奏效，起作用，D. runs跑，经营，管理，句意：即使治疗起作用，对艾滋病晚期的病人还是没有神奇的药物。选C。