Questions 61-65        Scientists are now studying a new field of research calledpsychoimmunology. It is based (61) the idea that people who are depressed orhave a lot of stress (62) more likely to become sick. Researchers have recentlyfound a connection between diseases and stressful situations. To test this theory,psychoimmunologists are trying to find a link between the brain and the immunesystem.
        The immune system in our bodies fights the bacteria and viruses which causedisease. Therefore, (63) we are likely to get various diseases or not depends onhow well our immune system works. Biologists used to think that the immunesystem was a separate, independent part of our bodies. Recently, (64) , they havefound that our brain can (65) our immune system.
【題組】61.
(A) with
(B) in
(C) on