（一）根据首字母或汉语提示完成句中单词。
A (2013·广州)
1. David can r very fast. I’m sure he will win the race at the sports meeting.
2. It’s dangerous to swim in the r . It’s safer to go to the swimming pool.
3. Animals are useful. For example, we can get fresh m from cows.
4. Your voice is very sweet. Would you s a song at the English party?
5. Yao Ming, one of China’s best ever basketball players, is more than 2 metres t .
