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标题: 有道逻辑题请教各位大虾 [打印本页]

作者: guoyunyan81 时间: 2009-10-18 03:22
标题: 有道逻辑题请教各位大虾

Q: A research 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.

The research's conclusion depends on which of the following assumptions

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 systems

C people with high immune-system activity can't develop mental illness.

D mental illness does not cause people's immune-system activity to decrease.

E psychological treatment of mental illness if not as effective as is medical treatment.

作者: 忘记了 时间: 2009-10-18 09:57
B?

作者: azurezenith 时间: 2009-10-18 12:17

取反法

作者: sunjin1988 时间: 2009-10-19 12:34
选D 对D取非mental illness does cause people's immune-system activity to decrease.所以说明是因为疾病造成活性减少得分低，所以说明得分低有他因本题作者的结论 that the immune system protects against mental illness as well as against physical disease.他的reasoning 是 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.

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