2. 职称英语
  3. The mind and the immune system have been shown to be intimately linked, and scie

The mind and the immune system have been shown to be intimately linked, and scie

游客2025-02-26  33
问题 The mind and the immune system have been shown to be intimately linked, and scientists are consistently finding that doing good deeds benefits one’ s immune system. The bone marrow and spleen, which produce the white blood cells needed to fight infection, are both connected by neural pathways to the brain. Recent research has shown that the activity of these white blood cells is stimulated by beneficial chemicals produced by the brain as a result of magnanimous behavior. The statements above, if true, support the view that
选项 A、good deeds must be based on unselfish motives.
B、lack of magnanimity is the cause of most serious illnesses.
C、magnanimous behavior can be regulated by the presence or absence of certain chemicals in the brain.
D、magnanimity is beneficial to one’s own interests.
E、the number of white blood cells will increase radically if behavior is consistently magnanimous.
答案 D
解析 一个人若具有高尚的情操，他就会不断地做好事。而根据本题的论述，做好事能使大脑产生beneficial chemicals，这些beneficial chemicals能激活人体体内抗感染的白血球的activity，白血球的activity是免疫系统功能正常发挥的决定性因素。从而我们可以得出结论magnanimity有益于一个人的免疫系统，也就是说magnanimity有益于个人利益，因此(D)就是正确答案；因为段落中只是谈到了做好事，并没有说明做好事应该出于怎样的动机，所以(A)是错误的；因为(B)是本题结论——做好事有益于一个人的免疫系统的否命题，原命题正确推不出否命题也正确；选项(C)搞错了逻辑关系，应该是高尚行为控制着大脑中有益化学物质的产生；选项(E)有点偏激，高尚行为能使体内的白血球增加，但是从文中我们并不能发现高尚行为的增加与白血球的增加之间呈线性关系，所以(E)选项是错误的。
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