Ⅰ. 单词拼写
1. Hurricanes, earthquakes, sandstorms and tornadoes are all natural disaster.
2. The boy buried the dead bird in the backyard.
3. On average, there are 800 tornadoes in the US each year.
4. Birds can fly because they have feathers .
5. The river had burst its banks and flooded（淹没）the valley.
6. An idea occurred（被想起）to me.
7. They bought some new furniture（家具）to go with their new apartment.
8. Hurricane（飓风）is a kind of natural disaster.
