职称英语考试

【单选题】AIDS AIDS isAcquired ImmuneDeficiency Syndrome. The human immunodeficiency virus (人类免疫缺损病毒)called HIV is believed to causeAIDS. There is no cure. People who get the disease will die.AIDS itself does not kill. However, it attacks and destroys the body’’s defense system that fights against infection. When this happens, a person has little ability to fight off many other diseases including pneumonia(肺炎), cancer and tuberculosis (结核病).
A、new study says the number of women in the United States withAIDS has increased sharply. The study saysAIDS is increasing faster among women than among men.Eighteen percent ofAIDS patients are women. This is almost 3 times the rate 10 years ago. Most women get theAIDS virus from having sexual relations with men. Pregnant women with the disease can pass it to their babies. The effect ofAIDS inAmerica is greatest in large cities.AIDS is the leading cause of death among all people in 79 cities. It is the leading cause of death among women in 15 cities. These include New YorkCity and Miami, Florid
A、Doctors in the United States first notedAIDS 14 years ago in homosexual (同性恋的)men in New York andCaliforni
A、In the United StatesAIDS spread first among homosexual men. Then it appeared in people who shared needles to put illegal drugs into their blooD、It also appeared in people who had received infected blood products at hospitals. TheAIDS virus is spread through the exchange of infected blood or body fluids released during sexual activity. It is also spread by having sexual relations with someone who has the virus.And it is spread by sharing drug needles that have infected blood on them. AIDS has affected several famousAmerican athletes. Two years ago, former tennis playerArthurAshe died of the disease.At about the same time, former basketball player Magic Johnson announced that he has theAIDS virus. The most recent athlete to be affected is Gregory Louganis. Louganis won a number of gold medals in Olympic diving competition. He announced on television that he hasAIDS. PresidentClinton met with Louganis and praised him for discussing his sickness. Mr.Clinton said it is important to educate the publiC、Activists have succeeded in educatingAmericans aboutAIDS and the people who have it. They also have been urging the federal government to increase efforts to find a cure forAIDS. Scientists first identified the virus that is believed to causeAIDS in 1983. Many of them then thought they could produce an anti-AIDS vaccine(痘苗). Such a medicine could be given to people to protect against the disease. However, scientists atAmerican government agencies, universities and drug companies have failed to produce an anti-AIDS vaccine.But they are continuing effort to find better treatments for a cure. Have scientists produced an ant-AIDS vaccine
A、Yes, they did in 1981 .
B．Yes, they did in 1983.
C．No.And they have given up the effort.
D．Not yet, but they are continuing effort to find better treatments for a cure.

网考网参考答案：D
网考网解析：
文章第13段明确指出虽然美国政府各机构，各大学及药品公司未能制造出一种抗癌疫苗，但他们仍在为治愈AIDS找到更好的医治方法而不懈努力着。故正确答案为D)。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>