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施心远主编听力教程2Unit12-15答案

4-第

Unit 12

Section I

1. 急救是一种在专业医疗救护到达之前对意外伤害或事故的受害者所进行的医疗救护。

2. 知道如何在紧急情况下进行急救，可能就意味着一个人的生死。

3. 一种称为心肺复苏的急救方法，简称CPR，可以挽救心脏病、溺水和休克病人的生命。

4. 在美国，CPR训练包括使用防护布或面罩覆盖嘴巴。 5. 这有助于防止在做口对口复苏急救时传播疾病。

Section II Dialogue

D A B C D C D D

Passage

1. Life expectancy at birth in the United States in 1901 was 49 years while at the end of the century it increased to 77 years.

2. Psychologists found that people who entertained positive thoughts regarding themselves and their future health lived seven years longer than those with negative attitudes.

3. We tend to regard medical disorders as the cause of poor health or shortened lifespan, but, really, their significance is small when compared to the impact of the psychological factors on health.

4. Exercise, weight loss or non-smoking can increase the lifespan. Another avenue to rejuvenation is through creativity.

5. The US Census Bureau predicted that the USA would eventually have 5.3 million people aged over 100 in 2100. F T T T T T F T Ex.2

1 It increased from 49 in the year 1901 to 77 at the end of the century, an increase of 57%.

2 In human history, preventing early deaths is the main cause of the increase in life expectancy.

3 We get older because of three things: aging of arteries, dysfunction of the immune system, and accidents and environmental hazards.

4 He/she could potentially feel as young as a 44-year-old.

5 The mainstream view is that life expectancy in the US will be in the mid-80s by the year 2050 (up from 77 today) and will top out eventually in the low 90s. Section III Item 1:

A. a serious snowstorm that hit New York City, US. 96 kilometers an hour/localized drifting/68.3 centimeters/blizzard/1869

1) The road network in many places is impassable. 2) Most of the airports in the

region have been closed, with hundreds of flights cancelled. 3) Passengers on transatlantic flights heading into New York have, in some cases, found themselves diverted to alternative destinations.

worked non-stop/keep streets and avenues open/people making their way down Broadway on skis Item 2:

A. the evacuation of people living in villages close to Volcano Merapi which is about to erupt. B. T F F T T Item 3:

A. the heavy storms and their effects in East Asia. B. landslides/several hundred houses to collapse/the worst flooding/trapped/ missing/landslides and flooding/drowned inside his car/dead in a gutter

Section IV Part I:

A. Saturday/100/float/tide/senses/effect/aroma/crackling/keep/refueling

B. 1) WaterFire attracts 1 million visitors each year, and brings business to downtown restaurants, hotels and entertainment venues. It brings more than 33 million dollars in business to the city annually. 2) It sets a good example to other riverfront cities.

Part II Dictation:

1. A new study published in the current issue of American Journal of Public Health suggests that men’s behavior may be to blame.

2. It has been reported that at every age American males have poorer health and a higher risk of mortality than females.

3. As if that weren’t enough, men tend to work in more dangerous settings than women, and thus account for 90% of on-the-job fatalities, mostly in agriculture. 4. In low-lying flood zones, men are more likely to drive around barricades and drown in high water.

5. These reasons alone would certainly contribute to a shorter life span for men, but the problem may be even more profound. C A B D D B A D

Unit 13

Section I

6. Avian influenza, or “bird flu”, is a contagious disease of animals caused by viruses that normally infect only birds and, less commonly, pigs.

7. While all bird species are thought to be susceptible to infection, domestic poultry flocks are especially vulnerable to infections that can rapidly reach epidemic proportions.

8. The current outbreak of bird flu is different from earlier ones in that officials have