五、阅读下面短文，在空白处填入一个适当的词，或填入括号中所给单词的正确形式
In 1988, Wang Chengbang retired from the army. Instead of enjoying a relaxing life, he volunteered to save the soil from desertification 1. planting trees in Korla, Xinjiang.
It is not 2. easy job. The high temperature in Korla makes it difficult for anyone to work day after day in the sunshine. What's more, water is one of the biggest 3. (problem). In fact, Wang Chengbang's work in the first few years 4. (fail) as very few trees survived.
But no matter how hard, Wang Chengbang would not give up. "After trying many different ways, I have learned 5. to grow young trees in a better way," said Wang Chengbang. He also worked out new ways 6. (save) water. With his hard work, more and more trees have survived. So far, he 7. (plant) more than 1.5 million trees. Those green trees stop desertification, make the air cleaner and protect people from the hot sun. Now, Korla is a model city in environmental protection.
Wang Chengbang is also 8. (success) in fighting cancer. In 2021, he had cancer and 9. (tell) that he had only six months to live. However, he continued taking care of his trees instead of lying in bed. "Working is the best medicine. Planting trees helps 10. (fight) cancer," he often jokes.
读后词汇拓展
猜出画波浪线单词的词性和中文意思，并收入自己的小词典。
1. retire
2. desertification

五、1. by 2. an 3. problems 4. failed 5. how 6. to save 7. has planted 8. successful 9. was told 10. (to) fight
读后词汇拓展
1. v. 退役 2. n. 沙漠化