Unit8FocusonGlobalWarming答案综合教程二
Unit 8 Focus on Global Warming
Key to the Exercis
Text comprehension
I.司徒取名
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 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 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)
Vocabulary
I. 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
磁流体推进4. over the long term: over a long period 从长远看
5. alternative = substitutable, different, replaceable
II.
1. focus;和胃整肠丸
2. much the same;
3. consciousness;
黑科技软件
4. threat;
5. derved;
6. decompod;
7. revealed;
8. frequent.
III. Word derivation
梅兰芳资料Fill in the blanks with the appropriate forms of the given words.
应急预案培训1. perusal
2. intensified
3. excessive
4. speculative保持童心
5. abundance
6. inclusive
7. emits
8. locally
IV.
1. A;
2. D;
3. B;
4. C;
5. D;
6. A;
7. C;
8. A.
V. Synonym / Antonym
Give a synonym or an antonym of the word underlined in each ntence in the n it is ud.
1. Synonym: mainly, basically, firstly
2. Antonym: unfortunately, unluckily
3. Antonym: exclude
4. Synonym: part, division
5. Antonym: decrea, lowering
6. Antonym: unavailable
7. Synonym: weak, incure, unsafe
8. Antonym: irresponsible
VI. Prefix
Write in each space one word that has the same prefix as underlined in each given word.
1. centigrade centimeter
2. kilogram kilometer
3. synopsis synthetic
4. supervi superior
5. submarine submerge
6. astronaut astronomy
7. microbiology microwave
8. overwork overload
Grammar Exercis
I. Complete the following ntences using the appropriate verb forms.
1. began / / have had
2. A: Have has invented
4. have have been
6. has got (gotten)
7. has been
8. have forgotten
9. B: has gone
B: About ten minutes ago.
10. was
III.
1. a. simple prent form; b. “has obtained”.
2. synonymous a. the speaker’s point of view; b. the listener’s perspective.
3. a. definite; b. indefinite
4. a. still suffering; b. past
5. a. on the way or in Italy; b. left Italy.
6. a. in the morning; b. after the morning
