标题: 求助陈向东逻辑中的一题~ [打印本页] 作者: zhongyaya 时间: 2010-9-1 22:56 标题: 求助陈向东逻辑中的一题~ A researcher discovered that people who have low levels of immune-system activity tend to score much lower on tests of mental health than do people with normal or high immune-system activity. The researcher concluded from this experiment that the immune system protects against mental illness as well as against physical disease. (A) High immune-system activity protects against mental illness better than normal immune-system activity does. (B) Mental illness is similar to physical disease in its effects on body system. (C)  eople with high immune-system activity cannot develop mental illness. (D) Mental illness does not cause people’s immune-system activity to decrease. (E)  sychological treatment of mental illness is not as effective as is medical treatment.