No one knows exactly 61.________will happen in the future if global warming continues,but scientists have many theories. They say as the Earth becomes warmer,weather will become more unpredictable. Hurricanes will be more 62.________(power),and rain will become heavier,63.________(result) in more floods. Glaciers and ice caps in the North and South Poles are already beginning to melt. The sea level 64.________ (rise) six to eight inches in the past 100 years. If the sea level continues to rise,ocean waters will overflow onto the land. People living along the coastlines will have to move inland. Animals65.________require colder climates will be forced to move to other areas or will become 66._________(endanger). Mosquitoborne diseases like malaria will spread because mosquitoes thrive(茁壮成长) in warm weather. What can we do now to stop global warming?Global warming cannot be stopped completely,but there are things we can do. For example,use less energy 67.________turning off lights,TVs,computers and 68.________appliances when they are not being used. Use the air conditioner less in the summer and your heating system less in the winter. Walk whenever possible instead of riding in the car. Plant trees wherever possible to absorb carbon dioxide and provide shade for buildings. Recycle and reuse whatever you can to lessen the amount of trash,as trash gives off methane(甲烷),69.________greenhouse gas. Together,we can work 70.________(save) the Earth for future generations.
答案:61.what 62.powerful 63.resulting 64.has risen 65.that/which 66.endangered 67.by 68.other 69.a 70.to save