当代医学(ECCM)_I_9

and choose the best answer to each question.
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
1. Dr. Gary Nabel is explaining ________. A. the significance of the 10th annual HIV Vaccine Awareness Day B. the two decades of progress in the search for a safe HIV vaccine C. the challenges facing researchers who look for an effective HIV vaccine D. the worldwide efforts in the search for an effective HIV vaccine
Section I. Asking, listening and watching
B. Listen to a passage “ AIDS: 24 Years Later” three times
and fill in each blank with the word or sentence from the audio clip.
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
English Course of Contemporary Medicine
当代 医学 英语综合教程
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
3. Which of the following is NOT true of HIV? A. The virus may acquire the ability to evade neutralization by the immune system B. The virus changes the shape of some of the critical proteins on its surface. C. The envelope protein never stays in the same form on the surface of the virus D. Some of the critical proteins on the surface of the virus are hard to change.
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
Twenty-four years after the disease made its first appearance, the HIV/AIDS pandemic explode continues to (1) __________. Over the past 24 years, more than 20 million people have died from worldwide AIDS (2) __________. A snapshot of recent estimated numbers tells the story. An (3) ___________ 38 million people currently have HIV, and 4.8 million infected of them became (4) ___________ for the first time in 2003. About 2.9 million people died of AIDS last year, and more than 2 million women with HIV
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
There is greater funding, a global focus, increased political will, and a cross-sector effort to make resources and anti-retrovirals more widely available. Yet problems remain. We continue to struggle with denial. We lack a vaccine. We are challenged by poor health infrastructure and We lose focus unenlightened health policy. (13) ___________ easily, fighting each other rather than fighting the ___________________________________________ disease _____________.
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
gave birth, passing the infection along to (5)__________ infants. 630,000 The modes of transmission of HIV/AIDS are understood well (6) __________. The most predominant, according to the World Health Organization, is (7) unprotected ___________ intercourse—both heterosexual and homosexual. Injection-drug (8)_________, other use unsafe injections, blood transfusions, and direct contact blood (9)___________ also transmit the virus. Finally, transmission from mother to child during
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
2. It's very difficult to make a vaccine against HIV because ________. A. what researchers are dealing with is millions of different viruses B. the immune system is not strong enough to resist HIV variants C. researchers have the problem of recognizing different viruses D. individuals infected with HIV have their immune system impaired
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
4. Why is the search for an effective HIV vaccine one of the greatest scientific challenges? A. It is impossible to developing a new paradigm for vaccine development. B. The human body has not yet figured out a way to counteract HIV. C. Medical researchers have not found new clues about HIV. D. HIV has infected now more than 60-million 1. C 2. A 3. D 4. B people
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
C. Listen to a passage “ Quest for an Effective HIV Vaccine Presents New Challenges” twice
Chapter 9 Lessons from AIDS and Exploring Avenues to Combating HIV Infection
child during (10)___________, at birth, or through pregnancy breast-feeding is a serious risk, especially in developing countries. continues to disproportionately HIV/AIDS (11) ____________________________ affect those most at risk in the developing world __________________________________________. Limitations in health infrastructure and limited access to effective therapies have both contributed to the continued growth and spread of the disease. (12) _______________________________________ Despite the challenges, we have made some _____________________________________. progress over the last 24 years