发布时间 : 星期四 文章全新版大学英语视听阅读B2.U2更新完毕开始阅读7db5762be2bd960590c6775a
Key to 全新版视听阅读 2 Unit 2 Polar Bears in Trouble
WARMING UP I. polar Bears
1. fur 2. carnivore 3.blubber 4.arctic 5. marine mammal II. Global Warming and the Arctic
1.F 2. B 3. C 4. G 5. D 6.A 7.E
WATCHING Part 1
I. Watch Part 1
1. F 2. T 3. T 4. T 5 .F II. Watch again
1.edge 2. inhospitable 3. thrive 4. mammal 5. survival 6. frozen 7. adjustments 8. insulated 9. reserves Part 2
I. Watch Part 2
1. When the weather starts to turn cold, large numbers of them gather around the coast. At this time, people can observe them at close range.
2. They are eagerly writing for the bay to freeze so that they can go back to the frozen ice and their food source.
3. People use “tundra buggies”, a specially-designed truck, to see them.
4. Because no other animal hunts them, and they are at the top of the food chain.
II. Watch again
1. personal--private 2. friends--company 3. infant--adult 4. expected--considered 5. reservation--conservation III. Oral work Free
Part 3
I. Watch part 3
1. 1—C 2---D 3---B 4. 4---E 5. 5----A II. Watch again
1) parallels 2) concerned 3) stable 4) patterns 5) critical 6) existence 7) conducted 8 ) advancement 9) stability 10) length 11) impact III. Oral Work Free
Part 4
I. Watch Part 4 1. A C D 2. B E
II. Watch again
1) endangered 2) caring 3) key 4) ensure 5) conservation 6) species 7) lies in III. Oral Work Free
FOLLOW-UP
I. Watch the entire video
Elllol----A D F Ovsyanikow----C E Bykerk---B II. Oral work Free III. Project
Reading Polar Bears in Trouble
1. A 2. D 3. C 4. D 5. D 6. A 7. B
8. top killers/an umbrella species 9. The stability or the length of the time 10. the same environment ( as polar bears)
HOME LISTENING I. Listen to the passage
1. 0.6 0.8 2. 1.4 5.8 3 100 4. 1,473 5. 2008 II. Listen again. Answer the following questions.
1. Greenhouse gases are produced by car and truck exhaust, factory smoke, and the burning of certain substances for heat and light.
2. The effects of global warming will most likely appear in animal populations first.
3. Environmental groups, not only governmental ones but also private groups, are working towards this goal.
4. The United Nations has organized international gatherings to approach this problem, and has produced a document known as the “Kyoto Protocol”.
5. The serious drawback of the Kyoto Protocol” is that this document doesn’t include strict enforcement procedures for implementing the program.
III. Listen again
1. D mating 2.B nesting 3. A flowering 4. D mating
IV Oral Work Free