知识点一的第4小节

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Part II Listening

3. Read the following outline carefully. Then listen to Part 2 of the program for three times. For the first listening, listen for numbers only and write them down in the corresponding blanks. Then for the second listening, write down the remaining information by using symbols and abbreviations. For the third listening, check your answers.

Topic: The planet is in trouble: 1)__________most important 2)__________

1. 3)__________

a. Many people do not have enough water, but others use too much.

e.g. use of water: Gambia 4)__________US

Gambia: 5)__________/ person / day

US: 6)__________/ person /day

b. Desserts are getting bigger.

e.g. the Sahara: 7)__________than before and more 8)__________to

find clean water

2. 9)__________

More people:

Space for people 10)__________

Space for animals 11)__________

e.g. the Amazon 12)__________: in the last 10 years, 13)__________of forest were destroyed

3. 14)__________

a. Temp. (temperature) 15)__________

e.g. Greenland: ice melting 16)__________than ever before

b. Sea levels 17)__________

Now listen again and check your answers.

参考答案

1) 3

2) probs.

3) water

4) <¬¬

5) 4.52 L

6) 600 L

7) >

8) diffi.

9) animals

10) ↑

11) ↓

12) Rainf.

13) 150,000 km²

14) the weather

15) ↑

16) ↑

17) ↑

听力原文

Let’s look at three of the most important problems. The first problem is water. Many people in the world can’t get enough water. But in some countries we use too much. A person in Gambia, Africa, for example, uses much less water than someone in the United States. In Gambia, one person uses four and a half liters of water a day. But in the US it’s 600 liters. And to make the problem worse, the deserts are getting bigger. The Sahara Desert is one of the hottest places in the world, and is already the largest desert. But each year it gets bigger than before, so it gets more difficult to find clean water. Our second problem is the animals. There are more people on the earth than ever before. This means we use more space. And for the animals this means that there is less space than before. One example is the Amazon Rainforest. It has the highest number of plant and animal species in the world, but it’s getting smaller every year. People are destroying the rainforest to make more space for houses, roads and farms. In the last 10 years we have destroyed more than 150,000 square kilometers of forest – that’s an area larger than Greece! So in the future, many plants and animal species will become extinct. And the last problem on our list, but not the least important, is the weather. The world is getting warmer. The ice in Greenland is melting faster than ever before. Also sea levels are rising. This means that soon some of the world’s most important cities, like New York, London, Bangkok, Sydney and Rio de Janeiro might all be under water.