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  3. There are many medical problems in the modern society. One of the most alarming medical problems in the world is a【21】disease na

There are many medical problems in the modern society. One of the most alarming medical problems in the world is a【21】disease na

admin2012-01-19  29
问题     There are many medical problems in the modern society. One of the most alarming medical problems in the world is a【21】disease named HIV virus. This kind of virus is first【22】twenty years ago. It weakens the body and develops fully blown AIDS. AIDS is not obvious in the early stage. Sometimes symptoms occur within a few weeks after【23】. They are often flu-like, such as【24】, fever, headache, diarrhea and night sweats.
    The three main【25】routes of HIV are sexual contact, exposure to infected body fluids or tissues and from mother to【26】or child during perinatal period. This kind of virus can always【27】some families apart. People’s first【28】is a denial about their loved one’s condition. HIV positive people are those who have tested positive for the virus.【29】they are related to conditions that are far less serious than HIV, they can only be treated when potential patients are【30】of the risk of infection. They choose to deal with the risk instead of avoiding of it.
【31】tests are the best way to monitor HIV because they can slow the progress of the virus【32】time. But we have to admit that it is no longer associated【33】death immediately, but drugs are not【34】. Doctors【35】HIV positive people to have regular tests to monitor the progress of the disease.
    By now there is still not successful vaccination against HIV, so much effort has been【36】mainly on educating the public about【37】HIV is passed on. In addition, more emphasis is contributed to introduce to the citizens about personal measures that【38】the risk of infection. "We are concerned about these individuals, because we know that early treatment can help【39】their life and ensure that they do not【40】others, including their newborn children. " Dr Donald Gelhorn (president of the College of Family Physicians of Canada) says.
选项 A、Because
B、However
C、Therefore
D、Though
答案D
解析 A项表因果关系，B项表转折关系，C项也是因果关系的一种，D项表让步关系。根据原文上下句，“they are related to conditions that are far less serious than HIV” “they can only be treated when potential patients are aware of the risk of infection”可知，两个分句之间需要一个表示让步关系的连词，只有D选项符合要求，故正确答案为D选项。
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