绝种的  文件类型：DOC/Microsoft Word  文件大小：字节

Unit 12 Help! I'm Extinct!
1. extinct adj. 绝种的,灭绝的
All dinosaurs have been extinct for a long time.
extinction [U] 绝种,灭绝
War may lead to the complete extinction of all humans and must be avoided.
Conservationists (生态保育人士) are trying to save the whale from extinction.
2. planet n. 行星
There are nine planets in the solar system (太阳系).
Energy conservation (节约能源) is very important for the future of the planet.
3. estimate vt. n. 估计;判断
He estimated that it would take a whole year to build the bridge.
It is not easy to estimate how many people have the disease.
The tree is estimated to be at least 700 years old.
According to some estimates, almost two thirds of the city has been destroyed by the earthquake.
4. clone vt. 复制
Some scientists in England successfully cloned the first sheep, Dolly, in 1996.
It is only a matter of time (早晚的问题) before we are able to clone human beings.
5. technology n. 科技
Technology has improved our living conditions greatly.
Many people are unwilling to embrace (拥抱) new technologies.
technological adj. 科技的
The development of the steam engine (蒸汽机) was the greatest technological advance of the 19th century.
6. endangered adj. 濒临绝种的
Whales are hunted for their meat and oil, and have become an endangered species (濒临绝种的生物).
endanger vt. 危及
A typhoon endangered the island, but luckily no lives were lost.
Smoking during pregnancy (怀孕) can endanger your baby's health.
7. perfectly adv. 完好地
She has spent lots of time studying English. Now, she can speak English perfectly.
It's perfectly normal to be nervous before a performance.
perfect adj. 完好的,完美的
My grandmother is over sixty; she still has a perfect set of teeth.
Beth and Martin always seemed to be the perfect couple.
So I made a mistake! Nobody's perfect.
8. preserved adj. 保存的
Every year, many foreigners visit Lungshan Temple (龙山寺), one of the oldest preserved buildings in Taiwan.
preserve vt. 保存
Forests must be preserved, or they will not exist pretty soon.
The responsibility of the police is to preserve the peace (维护治安).
preservation [U] 保存
The paintings in the museum are all in a fair state of preservation.
preservative n. 防腐剂
The demand for food without preservatives is increasing.
9. likely adj. 可能的
It's getting cloudy now. It is very likely that it is going to rain.
The price of petrol (汽油) is likely to rise again this year.
Young drivers are far more likely to have accidents than older drivers.
10. complete adj. vt. 完整的;使完整,完成
Before playing games, we checked if the cards were complete.
Construction (建造) of the fence is expected to be complete in June.
I need one more stamp before my collection is completed.
This great novel took five years to complete.
Complete the sentences by using the present perfect tense of the verbs.
11. nearly adv. 几乎
The bus was nearly full, so I had to stand.
12. substitute n. v. 代替
I don't want a substitute; I want the real thing.
Today we had a substitute (代课老师) in history class.
No other drink can substitute for champagne when celebrating.
13. species n. 物种 (单复数同形)
There are several different species of butterflies in Taiwan.
The giant panda is an endangered species.
14. definitely adv. 明确地,无疑地
Jurassic Park (侏罗纪公园) is definitely the best movie I have ever seen.
According to the data, we can definitely say that pollution is increasing.
definite adj. 明确的
It is definite that we will be leaving tomorrow.
It's impossible for me to give you a definite answer.
15. unique adj. 独一无二的
This stamp is unique. All others like it have been lost.
16. ponder v. 沉思,考虑
When I asked her advice, she pondered all the possible solutions for a while before answering.
Scientists still ponder over the origin of humankind (人类的起源).
17. cure n. vt. 对策,治疗;解决
The only cure for environmental pollution is to reduce the number of cars and factories.
Prevention is far better than any cure. 预防胜於治疗
We need to cure our environmental problems, or someday we may no longer have clear water or fresh air to enjoy.
The medicine will cure you of your cough.
This simple solution cured me of biting my nails.
18. present vt. 提供,给予
This summer school class presents students with an opportunity to experience all aspects of dance.
Large classes present great problems to many teachers.
19. habitat n. 栖息地
If we keep destroying the natural habitats of these birds, they may soon become extinct.
20. depend vi. 依靠,视~情况而定
The family depends on the father for a living.
All green plants depend on light to power the chemical processes
We still don't know whether we'll move to a new house or not--it all depends.
Whether or not we will go shopping tomorrow depends on the weather.
dependent adj. 依存的,依靠的
The man, who is very ill, is dependent on the doctor for his life.
dependence [U] 依靠
Dependence on alcohol can have a serious effect on your career.
21. research n. v. 研究,调查
A great deal of research into/on treatment of cancer has been carried out.
It's a good idea to do some research before you buy a house.
Scientists have been researching this problem for three years with no result.
22. afford vt. 负担得起;提供
I am so busy that I cannot afford even one day away from my work.
My daughter will have the best education that I can afford.
How could the poor girl afford to eat out every night
The room affords a beautiful view over the city.
The new law will afford protection to employees.
23. percentage n. 百分比/率
A large percentage of people in Taiwan died of liver cancer last year.
Most of the computers are for export (出口)--a high percentage goes to the US.
The percentage of women students at the university has increased steadily.
percent n. adj. 百分之…
This company can only supply 30 percent of what we need.
This restaurant has a 10 percent service charges (服务费).
24. creature n. 生物
The blue whale is the biggest creature that has ever lived on earth.
The movie is about creatures from outer space (外太空).
25. protection [U] 保护
A thin coat gives little protection against the cold.
The law in Taiwan gave women very little protection from violent husbands.
We should provide protection for threatened animals and plants.
protect vt. 保护
He wore sunglasses to protect his eyes from the sun.
Physical exercise can protect you against heart disease.
protective adj. 保护的,防护的
The protective coloring of the insect keeps it from being hunted.
26. environment n. 环境
New laws have been made to prevent the pollution of the environment.
The company had failed to provide a safe environment for its workers.
environmental adj. 环境的
Those factories are causing a lot of environmental pollution with all their noise and smoke.
Five years ago, he decided to work for an environmental group.
27. diversity n. 多样性
There is a great diversity of opinion on the energy question.
diverse adj. 不同的,各式各样的
I asked for my friends' suggestions. Their responses were all diverse. I still don't know what to do.
It is difficult to design a program that will meet the diverse needs of all the users.
28. destroy vt. 毁灭,破坏
All the buildings in the area were destroyed by the earthquake.
Few things destroy trust (信任) more than telling a friend's secrets.
destruction [U] 毁灭,破坏
The typhoon caused great destruction to Taiwan.
destructive adj. 毁灭性的
Jealousy (忌妒) is a very destructive emotion.
diet out 绝迹
Nowadays, traditional grocery stores are fast dying out while we have more and more convenience stores.
The wild population of koalas is in danger of dying out.
nothing more than = nothing but 仅仅
The old man is rich but lonely. He wants nothing more than a person to talk to.
take sb/sth for example 以~为例
Taiwan has many great dancers. Take Lin Hwai-min for example. He is well-known both in Taiwan and other parts of the world.
come back to life 复活
Dead people can never come back to life.