Ⅲ. 根据课本第2页1b~1c的内容,填入适当的词语,完成句子。
★ What changes have taken place?
• Transportation
1. It took to reach the town, but now it takes only .
2. To get to school, it used to take Li Rui nearly 40 minutes by bus over roads, but now it only takes 15 minutes on the roads.
• Health care
3. They used to to see a doctor. Now has been built in the town.
• Shopping
4. There weren't any good places for shopping. Now there is down the street.
• Environment
5. The hills used to be covered with . But now they have been covered with .

1. half a day; one hour
2. rough; new
3. travel far; a hospital
4. a supermarket
5. sand; beautiful trees

Ⅳ. 根据课本第3页2b~2c的内容和汉语提示,补全短文。
★ How did changes happen?
In the past, 1（有沙尘暴）all the time. The fields were getting 2（越来越少）. Life was difficult.
Then, after one big sandstorm, locals decided to do something. They found a small bush with long roots that could hold the soil together. They began planting it in sandy areas. ______ 3 ______ （政府提供支持）, too. At the beginning, they worked by hand. It was difficult. Later, they had machines to help. Since then, ______ 4 ______ （他们种下了许多灌木和树）.
Now, 5（沙尘暴少了）. The environment is getting better. Everyone has become 6（更加富裕和幸福）.

1.
2.
3.
4.
5.
6.

1. there used to be sandstorms
2. smaller and smaller
3. The government provided support
4. they have planted many bushes and trees
5. there are fewer sandstorms
6. richer and happier