全新版大学英语视听阅读答案(全部十单元)

Key to Watch, Listen and Read (Unit 2) Warm up

I.

1.fur

2. carnivore

3. blubber

4. Arctic

5. marine mammal

II.

1.F

2.B

3.C

4.G

5.D

6.A

7.E

Part 1

I.

FTTTF

II.

(1)edge

(2)inhospitable

(3)thrive

(4)mammal

(5)survival

(6)frozen

(7)adjustments

(8)insulated

(9)reserves

III.

1. One animal actually thrives in these freezing, lonely surroundings.

2. These marine mammals spend most of their lives on frozen seas.

3. Polar bears don’t enjoy the luxury of an uninterrupted winter.

4. Unlike the high Arctic, there’s no permanent ice pack here.

5. When the Bay melts, the bears are forced to shore. Part 2.

I.

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 waiting 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.

1. private

2. company

3. adult

4. considered

5. conservation

Part 3

I. CDBEA

II.

(1)parallels

(2)concerned

(3)stable

(4)patterns

(5)critical

(6)existence

(7)conducted

(8)advancement

(9)stability

(10)length

(11)impact

Part 4

I.

1.ACD

2.BE

II.

(1)endangered animals

(2)a(n) caring world

(3)a(n) key to understanding the Arctic

(4)ensure their survival

(5)conservation efforts

(6)umbrella species

(7)the polar bears’ future lies in the answers to these questions

Reading：

ADCDDAB

top killers/an umbrella species

The stability or the length of the time

The same environment(as polar bears)

Home listening:

I: 0.6, 0.8/ 1.4, 5.8 / 100 / 1,473/ 2008

II:

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:

1—D –mating

2---B--- nesting

3—A—flowering