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Among the infected patients by SARS, which of the following is most？
A．Students.
B．Doctors and nurses.
C．Workers.
D．Officials.
答案
更多“Among the infected patients by SARS, which of the following is most？A．Students.B．Doctors a”相关的问题
第1题
Which of the following details about the news is INCORRECT？
A．Most of those infected are African American.
B．Men aged between 4,0 and 50 are among the worst affected.
C．The city is to solve the problem by taking more tests.
D．People are taking the HIV/AIDS testing seriously.
第2题
The Chinese government has taken measures to prevent and control the disease. Poultry within 3 km of infected farms is to be killed and those within 5 km vaccinated (进行接种疫苗 ). Meanwhile, there will be constant monitoring and daily reports on the disease across the country, and increased production of bird flu vaccines.
Among the Asian countries and regions affected by bird flu in animals, only Vietnam and Thailand have reported human cases. The people infected were reported to have caught the disease from poultry. While the World Health Organization (WHO) said there is "no proof of human-to-human transmission (传播)" of bird flu.
The big fear is that the disease could combine with a human influenza virus (病毒) to create a deadly new disease that will kill millions of people across the globe. Many Asian farmers live closely with their animals and sell live chickens in the market. This greatly increases the possibility of human beings infected with bird flu.
A spokesman of the WHO said that Asian countries affected by bird flu should introduce a more healthy way of raising and selling chickens. And the people there have to completely change their lifestyle. and attitude towards animals. Here are some safety measures for people to stay healthy:
Keep fit and well through regular exercise;
Avoid infected poultry and infected people;
Avoid eating raw or under-done poultry and eggs;
Make sure there is always fresh air in your home;
Cover your mouth and nose when coughing or sneezing;
Wash your hands frequently.
What does the underlined word "poultry" mean？
A．Wild birds.
B．Wild animals.
C．Home-raised birds.
D．Home-raised animals.
第3题
According to the woman, the company would not replace the computer because
A．the computer problems were not serious.
B．this kind of computer was in short supply.
C．the computer was beyond time limit of replacement.
D．the computer was infected by viruses.
第4题
AIDS is the fifth leading cause of death among persons between ages 25 and 44 in the United States. About 47 million people worldwide have been infected with HI~ since the start of the epidemic.
AIDS stands for "Acquired Immune Deficiency Syndrome". It is caused by the Human Immunodeficiency Virus(HIV). AIDS is the final and most serious stage of HIV disease, in which the signs and symptoms of severe immune deficiency have developed.
HIV has been found in saliva, tears, nervous system tissue, blood, semen, vaginal fluid, and breast milk. However, only blood, semen, vaginal secretions, and breast milk have been proven to transmit infection to others.
Transmission of the virus occurs through sexual contact, blood transfusions or needle sharing, and from mother to child. A pregnant woman can passively transmit the virus to her fetus, or a nursing mother can transmit it to her baby.
Other transmission methods are rare and include accidental needle injury, artificial insemination through donated semen, and through a donated organ.
HIV infection is not spread by casual contact such as hugging and touching, by touching dishes, doorknobs, or by mosquitoes. It is not transmitted to a person who donates Blood or organs. However, it can be transmitted to the person receiving blood or organs from an infected donor. This is why blood banks and organ donor programs screen donors' blood and tissues thoroughly.
How many people worldwide have been infected with HIV since the start of the epidemic？
A．47 million.
B．4 billion.
C．25 million.
D．44 million.
第5题
and was confirmed in China on January 27. No human cases have been found in the mainland, but 13 of the country's 31 provinces, autonomous regions, and municipalities (直辖市) have reported the disease in poultry.
The Chinese government has taken measures to prevent and control the disease. Poultry within 3 km of infected farms is to be killed and those within 5 km vaccinated (进行接种疫苗). Mean- while, there will be constant monitoring and daily reports on the disease across the country, and in- creased production of bird flu vaccines.
Among the Asian countries and regions affected by bird flu in animals, only Vietnam and Thai- land have reported human cases. The people infected were reported to have caught the disease from poultry. While the World Health Organization (WHO) said there is "no proof of human-to-human transmission (传播)" of bird flu.
The big fear is that the disease could combine with a human influenza virus (病毒) to create a deadly new disease that will kill millions of people across the globe. Many Asian farmers live closely with their animals and sell live chickens in the market. This greatly increases the possibility of human beings infected with bird flu.
A spokesman of the WHO said that Asian countries affected by bird flu should introduce a more healthy way of raising and selling chickens. And the people there have to completely change their lifestyle. and attitude towards animals. Here are some safety measures for people to stay healthy:
* Keep fit and well through regular exercise;
* Avoid infected poultry and infected people:
* Avoid eating raw or under-done poultry and eggs;
* Make sure there is always fresh air in your home;
* Cover your mouth and nose when coughing or sneezing;
* Wash your hands frequently.
What does the underlined word "poultry" mean？
A．Wild birds.
B．Wild animals.
C．Home-raised birds.
D．Home-raised animals.
第6题
A
H5N1 avian influenza, known commonly as bird flu, has killed at least 15 people across Asia and was confirmed in China on January 27. No human cases have been found in the mainland, but 13 of the country's 31 provinces, autonomous regions, and municipalities (直辖市) have reported the disease in poultry.
The Chinese government has taken measures to prevent and control the disease. Poultry within 3 km of infected farms is to be killed and those within 5 km vaccinated (进行接种疫苗 ). Meanwhile, there will be constant monitoring and daily reports on the disease across the country, and increased production of bird flu vaccines.
Among the Asian countries and regions affected by bird flu in animals, only Vietnam and Thailand have reported human cases. The people infected were reported to have caught the disease from poultry. While the World Health Organization (WHO) said there is "no proof of human-to-human transmission (传播)" of bird flu.
The big fear is that the disease could combine with a human influenza virus (病毒) to create a deadly new disease that will kill millions of people across the globe. Many Asian farmers live closely with their animals and sell live chickens in the market. This greatly increases the possibility of human beings infected with bird flu.
A spokesman of the WHO said that Asian countries affected by bird flu should introduce a more healthy way of raising and selling chickens. And the people there have to completely change their lifestyle. and attitude towards animals. Here are some safety measures for people to stay healthy:
Keep fit and well through regular exercise;
Avoid infected poultry and infected people;
Avoid eating raw or under-done poultry and eggs;
Make sure there is always fresh air in your home;
Cover your mouth and nose when coughing or sneezing;
Wash your hands frequently.
What does the underlined word "poultry" mean？
[A] Wild birds.
[B] Wild animals.
[C] Home-raised birds.
[D] Home-raised animals.
第7题
Minister, Distinguished Delegates,
I am very pleased to join you today on behalf of UNAIDS, the Joint United Nations Program that brings together in a focus on AIDS our eight co-sponsoring organizations—the International Labor Organization was officially signed on as our most recent co-sponsor, less than two weeks ago. [TONE]//[TONE]
The HIV epidemic around the globe is continuing to grow—every day, the world sees 15,000 new HIV infections and 8,000 deaths as a result of AIDS. Month by month, AIDS spreads even further. At the beginning of October, a new report was issued by the collaborative group, known as "Monitoring the AIDS Pandemic". This report on trends in the epidemic in Asia and the Pacific noted that in Indonesia, for example, HIV is beginning to emerge strongly where for many years it has been absent. [TONE]∥[TONE]
Across Asia, they concluded, the epidemic is spreading both among populations with the highest risk of exposure and the population at large. In three Asian countries—Thailand, Cambodia and Myanmar, more than 2 per cent of the total adult population is HIV infected. Across the whole of the region, at least 7 million people are living with HIV. [TONE]∥[TONE]
This report shows that looking only at overall national HIV prevalence can give a misleading impression. In countries with large populations—like Indonesia, India or China—millions of people are affected and prevalence in some groups is high. In India, for example, HIV has moved beyond sex workers, injecting drug users and men who have sex with men. India now has nearly four million people living with HIV, and in three states, testing among pregnant women has shown HIV rates above three per cent. [TONE]∥[TONE]
Across the world, 60 million people have been infected with HIV since the epidemic began. Sub- Saharan Africa has been worst affected with seven countries where more than 20% of adults are infected. If we translate these statistics into everyday life, they mean that in these countries today, a 15 year-old faces a 50% risk that they will be infected over their lifetime. They mean that even a relatively wealthy country like South Africa, by the end of the decade is facing a GDP reduced by 17 per cent as a result of AIDS. [TONE]∥[TONE]
Over the past few years, Eastern Europe has seen the fastest rate of HIV growth. For example, the Russian Federation shows the explosive growth of an epidemic fuelled by injecting drug—in a single year in 2000, there were more new HIV infections than in all the previous years of the epidemic combined, and the same rate of growth has continued in 2001. [TONE]∥[TONE]
Cities where HIV was unknown two years ago have reported that now the majority of injecting drug users have become infected, and infections are spreading to their sexual partners and wider. Nearly every region now reports HIV cases. [TONE]∥[TONE]
AIDS is not only a global epidemic of an infectious disease, it is a development issue and at the core of human security. Only by working together with strong determination can we ensure the prosperity of the entire population. [TONE]∥[TONE]
第8题
2. Symptoms of viral hepatitis appear from two weeks to six months after exposure to the virus. The first symptoms are usually fatigue, poor appetite, and nausea. Pain in the abdomen above the liver and a slight fever are also common. After a few days, the person's urine becomes dark and jaundice appears. The jaundice and dark urine indicate the liver is not working properly.
3. Symptoms of viral hepatitis generally last two to six weeks. Severe cases can lead to liver failure and death. But most patients-even those with severe hepatitis-eventually recover completely. In some patients, the disease becomes persistent and is called chronic hepatitis. People with chronic hepatitis may experience mild, vague symptoms of fatigue and poor appetite.
4. There are five types of viral hepatitis. Hepatitis A is a highly contagious disease, but it is rarely fatal. It is also called infectious hepatitis. Hepatitis A is extremely common in developing nations. Outbreaks often occur due to unsanitary conditions, such as contamination of food or the water supply.
5. Hepatitis B is the best-known form. of viral hepatitis. It can be severe and often develops into chronic hepatitis. Hepatitis B is spread by close personal or sexual contact with an infected person, or by exposure to infected blood.
6. Hepatitis C is usually spread by exposure to infected blood. It is the most common cause of transfusion-related hepatitis. It is also a common cause of chronic hepatitis. Hepatitis D is the most serious and also the rarest form. of viral hepatitis. It only infects people who also have hepatitis B. Many cases of hepatitis D are fatal, and most commonly occur among intravenous drug users, who can be infected by sharing hypodermic needles. Hepatitis E often occurs in epidemics that can be linked to poor hygiene and contaminated water. It is particularly likely to lead to serious illness in pregnant women. The disease has been reported almost exclusively in developing countries.
A. Scientists do not know exactly why Hepatitis develops.
B. Hepatitis A often breaks out in filthy places where food and water are easily contaminated.
C. Symptoms of hepatitis include languor, loss of appetite, distress of the stomach, and yellowness of urine.
D. Hepatitis B is the best-known form. of viral hepatitis.
E. The chronic hepatitis lasts a long time and is most likely to recur.
F. People should pay attention to public environment for the preservation of health.
Paragraph 2______.
第9题
The following are very common among ancient Egyptians EXCEPT______.
A．abscess
B．intestinal parasites
C．anaemia
D．drug addiction
第10题
AIDS
Acquired Immunodeficiency Syndrome (AIDS), is a kind of human viral disease (病毒病) that damages the immune system, weakening the body's ability to defend itself from infection and disease. Caused by the human immunodeficiency virus (HIV), AIDS leaves an infected person vulnerable to opportunistic infections. Such infections are harmless in healthy people, but in those whose immune systems have been greatly weakened, they can prove fatal. Although there is no cure for AIDS, new drugs are available that can lengthen the life spans and improve the quality of life of infected people.
Infection with HIV does not necessarily mean that a person has AIDS. Some people who have HIV infection may not develop any of the clinical illnesses that define the disease of AIDS for ten years or more. Physicians prefer to use the term AIDS for cases where a person has reached the final, life threatening stage of H1V infection.
AIDS was first identified in 1981 among homosexual (同性恋) men and drug users in New York and California. Shortly after its detection in the United States, evidence of AIDS epidemics (流行) grew among heterosexual (异性恋) men, women, and children in Africa. AIDS quickly developed into a worldwide epidemic, affecting virtually every nation. By 2002 an estimated 38.6 million adults and 3.2 million children worldwide were living with HIV infection or AIDS. The World Health Organization (WHO), a specialized agency of the United Nations (UN), estimates that from 1981 to the end of 2002 about 20 million people died as a result of AIDS. About 4.5 million of those who died were children under the age of 15.
North America
In the United States about 40,000 new HIV infections occur each year. More than 30 percent of these infectious occur in women, and 60 percent occur in ethnic minorities. In 2001 mere than 800,000 U.S. residents were infected with HIV, and more than 300,000 people were living with full-blown (全面的) AIDS. In Canada about 4,200 new HIV infectious occur each year. Nearly 25 percent of these infections occur in women. In 2002 about 55,000 Canadians were living with HIV infection and about 18,000 people were living with full-blown AIDS.
The incidence of new cases of HW infections and AIDS deaths has significantly decreased in Canada and the United States since 1995. This decrease is attributed to the availability of new drug treatments and public health programs that target people most at risk for infection. But while the overall rate of HIV infection seems to be on a downturn (低迷时期), certain populations appear to be at greater risk for the disease. In the United States in 1987, Caucasians (白种人) accounted for 60 percent of AIDS cases and blacks and Hispanics only 39 percent. But by 2000 the trend had reversed: 26 percent of new eases were diagnosed in Caucasians and 73 percent in blacks and Hispanics. Likewise the number of female AIDS patients in the United States has increased significantly in recent years, from 7 percent of all AIDS cases in 1985 to 30 percent in 2000. In the United States, African American and Hispanic women accounted for 82 percent of AIDS cases among women in 2000.
Europe
In western Europe the first cases of AIDS were detected in the early 1980s, and by the late 1990s, at least 30,000 new HIV infections occurred each year. In 2002 about 570,000 western Europeans were HIV positive, and 25 percent of these cases were women. Before the dissolution (解散) of the Union of Soviet Socialist Republics (US.SR) in 1991, eastern Europe reported few HIV cases. But since 1995, HIV infection has spread rapidly in cities of several eastern European countries. The WHO estimates that the total number of HIV infections in this region may have risen from less than 30,000 in 1995 to about 1 million in 2002.
Developing Nations
While eases of AIDS have been reported in every nat
A．Y
B．N
C．NG
