What will happen in forty years ? No one really knows , but many scientists believe that the future will be bad .
These scientists are worried about global warming . Global warming could cause the ice at the North and South Poles to melt , raising the level of the oceans . Global warming could also cause climate patterns to change , bringing us many natural disasters .
Scientists think global warming is caused by the greenhouse effect . With the greenhouse effect,certain gases , in particular carbon dioxide , keep a lot of heat on Earth . This makes Earth warmer .
In 1997 the Kyoto Agreement was reached among 141 countries . These countries include China , Japan ,and most of the countries in Europe . Some of these countries have agreed to cut production of carbon dioxide by 5 per cent by the year 2012. To do this , they will make cars that produce less pollution . They will also build fewer coal power stations.
Choose the best answer.
1. This passage talks mainly about ____d_____.
A . Life in the future b. Future disasters .c . The reason for the Kyoto Agreement d. Global disasters
2. Global warming could ______a______.
A. Cause the greenhouse effect. B. Produce carbon dioxide c. Cause a change in climate patterns d. Trap heat on Earth
3. The greenhouse effect causes all the following except ______d_____.
A. Raising the sea levels b. Making plants grow better
C melting ice d making Earth warmer
4. Some of the countries that signed the Kyoto Agreement have said they will ___a_______.
A. Make cars that produce less pollution b. Make Earth warmer
C. Build power station that use coal d. Make more carbon dioxide
5. Can you think of other ways to control greenhouse effect ? Write down at least one way .