29.Why did Coffman request an investigation?
A) To see if there was a deliberate cover-up of the problem.
B) To find out the extent of the consequences of the case.
C) To make sure that the school principals were innocent.
D) To stop the voters approving the $212 million bong issue.
30.Three high school students started a website in order to ________.
A) attract greater public attention to their needs
B) appeal to the public for contributions and donations
C) expose officials who neglected their duties
D) keep people properly informed of the crisis
Passage Three
Humans should not try to avoid stress any more than they would shun food, love or exercise. Said Dr. Hans Selye, the first physician to document the effects of stress on the body. While heres on question that continuous stress is harmful, several studies suggest that challenging situations in which youre able to rise to the occasion can be good for you.
In a 2001 study of 158 hospital nurses, those who faced considerable work demands but coped with the challenge were more likely to say they were in good health than those who felt they stress that you can manage also boost immune (免疫的)function. In a study at the Academic Center for Dentistry in Amsterdam, researchers put volunteers through two stressful experiences. In the first, a timed task that required memorizing a list followed by a short test, subjects through a gory (血淋淋的)video on surgical procedures. Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody thats the bodys first line of defense against germs. The video-watchers experienced a downturn in the antibody.
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