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  3. Living is risky. Crossing the road, driving a car, flying, swallowing an aspirin tablet or eating a chicken sandwich they can al

Living is risky. Crossing the road, driving a car, flying, swallowing an aspirin tablet or eating a chicken sandwich they can al

admin2010-05-26  50
问题     Living is risky. Crossing the road, driving a car, flying,
swallowing an aspirin tablet or eating a chicken sandwich
they can all be fatal. Clearly some risks worth taking, especially     【M1】______
when the rewards are high: a man surrounded by flames and
smoke generally considers that jumping out of a second floor
window is an acceptable risk to save its life. But in medicine a        【M2】______
few procedures, drugs, operations or tests are really a matter of       【M3】______
life and death. There may be sound medicine reasons for accepting       【M4】______
electrical shock treatment, but such reasons are totally dependent
in the balance of risks and benefits for the patients.                  【M5】______
    Surgery for cancer may cure or prolong a life, but the removal
of tonsils (扁桃体) cannot save anything a sore throat.                 【M6】______
Blood pressure drugs definitely help some people live after a
heart attack, but these same drugs may be both necessary and            【M7】______
harmful for those with only mild blood pressure problems.
    Deciding how much discomfort and risk we are preparing to           【M8】______
put up with in the name of better health is a high personal matter,     【M9】______
not a decision we should remain to doctors alone.                       【M10】______
【M7】
选项
答案necessary 改成 unnecessary
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