2015年職稱英語衛(wèi)生類補全短文考試題(2)

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　　2015年職稱英語衛(wèi)生類補全短文考試題(2)

　　A New Medicine to Treat Both AIDS and Hepatitis B

　　A medicine approved last moth to treat AIDS(艾滋病) also shows promise against hepatitis B(乙 肝炎).

　　The drug, 3TC, puts down the hepatitis B virus in people with chronic infections, stopping its damage to the liver, researchers reported.

　　About one million Americans are thought to be infected with hepatitis B, which can lead to cirrhosis(肝硬化),liver failure and liver cancer in a small proportion of victims if left untreated.__________(46).

　　“ It’s a preliminary study, but this is promising. It looks like it has the potential to make a significant impact on hepatitis B,” said Dr Jules L.Dienstag of Massachusetts General Hospital, who directed the study.

　　Currently the only treatment for hepatitis B is interferon(干擾素). Such a treatment can permanently eliminate the virus in about one-third of patients.___________(47).

　　In the latest study, doctors found that 3TC appeared to knock out the virus permanently in about 20%of patients when given for three months.___________(48)

　　Unlike interferon; 3TC is given in pill form and carries few side effects. The drug was approved by the Food and Drug Administration in November for use against AIDS.

　　Both the hepatitis B virus and the AIDS virus need a protein to reproduce.___________(49). Doctors have tested similar AIDS drugs against hepatitis B. but all except 3TC have turned out to be ineffective or too toxic(有毒的)。

　　Dr Jay Hoofnagle of the National Institutes of Health said a next step will be to combine 3TC with interferon to see if the two drugs together improve the chance of curing hepatitis B. “It looks extremely promising,” he said of 3TC__________(50)

　　A interferon must be injected for four to six months and often has unpleasant side effects, including flu-like symptoms, fatigue and depression.

　　B The hospital is among the biggest ones in America.

　　C Dienstag said he hopes that with longer treatment, this response rate can be doubled.

　　D “It’s not the answer, but it’s a step in the right direction.”

　　E Perhaps20% of these patients have lingering(遷延性的) infections that would benefit f from treatment.

　　參考答案：

　　46.E 47.A 48.C 49.F 50.D

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