2. 外语
  3. AIDS threatens not only lives but also-in poor countries - economic development. By【C1】______mainly at adults 20 to 49 years old

AIDS threatens not only lives but also-in poor countries - economic development. By【C1】______mainly at adults 20 to 49 years old

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问题     AIDS threatens not only lives but also-in poor countries - economic development. By【C1】______mainly at adults 20 to 49 years old, AIDS robs these societies【C2】______some of their most productive citizens. Ignorance and fear of the disease can disrupt families and communities and may even【C3】______political relations between nations.
     Because AIDS is a worldwide epidemic(传染病，流行病), nothing【C4】______than a worldwide effort can control and perhaps some day wipe the disease. Governments must【C5】______by fully informing their citizens【C6】______the epidemic and, most important, by telling people【C7】______actions they can take to prevent infection(感染). Public health agencies must also insure that blood transfusions(输血)and【C8】______are safe. Those already infected should receive【C9】______attention so they do not spread the virus to others.
【C10】______, the U. S. government has committed more than two billion dollars to fight【C11】______AIDS in 1989 - including more than 600 million dollars for research. The screening of blood【C12】______has already ensured the safety of blood supplies in the U. S. , and American military personnel are required  to take【C13】______blood tests. Public health groups have carried【C14】______AIDS education programs  aimed particularly at homosexuals,【C15】______addicts, and others whose behavior makes them highly susceptible(易受影响的)【C16】______the virus. U. S. government agencies are also【C17】______public health authorities throughout the developing world in their efforts to【C18】______the spread of the AIDS virus and to treat those afflicted with the disease.【C19】______the rapid spread of the disease and the number of people now infected, the battle against AIDS will be difficult to win. But it’s a battle the world cannot【C20】______to lose.
【C17】
选项 A、assorting
B、resisting
C、insisting
D、assisting
答案D
解析 只能从意义的表达角度出发来选词。全句的意思是：政府机构也在帮助全世界发展中国家的公共卫生部门来防止艾滋病毒的传播。assort，把……分类；resist，抵制……，insist，坚持……。
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