第一节 完形填空
阅读下面的短文，理解其大意，并从 A、B、C 三个选项中选出一个能填入空白处的最佳选项。
Floods are one of the most common natural disasters in the world. They often come after heavy rain or typhoons, and can bring great 1 to people's lives and homes.
When a flood happens, water 2 roads, houses and farmland quickly. Many people have to leave their homes and lose their valuable things. Some may even 3 their lives in serious floods. Besides, floods can also 4 water pollution and the spread of diseases, which makes the situation worse.
However, we can take some steps to 5 floods or reduce their harm. First, we should plant more trees and grass, because they can 6 water and stop soil from being washed away. Second, building strong dams and flood walls is a good 7 to keep water out of cities and villages. What's more, it's important to learn flood safety 8. For example, we should stay 9 from low-lying areas and not walk through deep water when a flood comes.
In short, floods are dangerous, but with proper preparation and actions, we can 10 ourselves better against them.
()1. A. joy B. harm C. hope
()2. A. covers B. cleans C. builds
()3. A. save B. lose C. change
()4. A. cause B. solve C. improve
()5. A. create B. prevent C. welcome
()6. A. waste B. store C. pollute
()7. A. way B. problem C. reason
()8. A. skills B. hobbies C. rules
()9. A. close B. far C. next
()10. A. protect B. enjoy C. help

1. B 2. A 3. B 4. A 5. B 6. B
7. A 8. A 9. B 10. A