Unit 8 Focus on Global Warming
Text comprehension
I. A
II. 1. T; 2. T; 3. F; 4. F; 5. F.
III.
1. Paragraph 2. Becau global warming may be the single largest threat to our planet（the earth）. Low-lying nations could be awash in awater, rain and drought patterns across the world could change, hurricanes could become more frequent, and El Ninos could become more inten.
2. Paragraph 3. Our factories, power plants, and cars burn coal and gasoline and spit out carbon dioxide, produce methane by allowing our trash to decompo in landfills and by breeding large herds of methane-belching cattle, and relea nitrogen oxide by using nitrogen-bad fertilizers.
3. Paragraph 4. The incread concentrations of greenhou gas prevent additional thermal radiation from leaving the Earth, so cau the global warming.
4. Paragraph 7. A slight increa in heat and rain in equatorial regions would increa vector-borne带菌媒介引起的 dias such as malaria; more inten rains and hurricanes could cau more vere flooding and more deaths in coastal regions and along riverbeds; even a moderate ri in a level could threaten the low-lying islands; hotter summers could lead to more cas of heatstroke, hospital admissions and deaths among vulnerable people with heart problems or respiratory problems.
5. Paragraph 8 and 10. We can curb our consumption of fossil fuels and u technologies to reduce the emission of heat-trapping gas like carbon二氧化碳 dioxide, methane, and nitrous oxides, and protect the forests in the world, and we can also advocate policies that will combat global warming over the long term, things like clean cars, environmentally responsible renewable energy technologies, and stopping the clear-cutting of valuable forests.
IV.
1. Global warming will probably be the most rious threat to our Earth, if we do not take into account of some other possible disasters, such as another world war, collision of our Earth with some small orbiting planet, or spread of incurable dias.
2. In terms of human health, the people of the poorer countries will suffer most, becau their countries do not have money to protect them when climate changes.
Structural analysis
Sub-ideas in the cond part.
1) the caus of the rising concentration of greenhou gas in the atmosphere (Paragraphs 3 and 4)
2) the effect of such concentration on climate change (Paragraphs 5 and 6)
3) the potential threat of global warming to human health and survival (Paragraph 7)
Part one. Vocabulary
1 Phra
1. with the exception of: except, apart from 除……之外， 不包括……在内
2. In esnce = esntially, basically 本质上，根本上
3. wherever possible: whenever it is possible 只要可能
4. over the long term: over a long period 从长远看
5. alternative = substitutable, different, replaceable
II.
1. focus; 2. much the same; 3. consciousness; 4. threat; 5. derved; 6. decompod; 7. revealed; 8. frequent.
III. Word derivation
Fill in the blanks with the appropriate forms of the given words.
1. Her natural good n was improved by the perusal (peru) of the best books.
2. Efforts to reach the injured men have been intensified (inten) becau of a sudden deterioration of weather conditions.
3. I knew he derved to be punished but making him stay in every night for a year is a little excessive (excess).
4. Theories of the origin of life are partly speculative (speculate), since there is so little direct evidence available.
5. This is a book that contains an abundance (abundant) of valuable information.
6. The cost of the flights, accommodation and car rental is two thousand dollars inclusive (include).
7. When an iron object is heated in a fire, it glows red and emits (emission) radiation.
8. We hardly ever go into London. Whatever we need we can buy locally (local).
1. peru v. 熟读，精读
perusal n. 熟读，精读；仔细研究
e.g. 他每天都要读各种报纸。He perud the newspapers every day.
2. inten a. 强烈的，剧烈的，热烈的
intensify v. 增强，强化；加剧
intensive n. 强烈的；密集的
intensification n. 增强，加强，强化
e.g. 我的工作非常紧张，以至于我没有时间休息。My work is so inten that I even have no time to take a rest.
我的初次失败更坚定了我成功的信念。My first failure only intensified my desire to succee
d.
我们有十天的强化训练。We have ten days of intensive training.
3. excess a. 过量的，额外的
excessive a. 过多的，过分的
e.g. 这个胖男孩节制饮食以减轻过量的体重。The fat boy went on a diet to get rid of his excess weight.
