1. 听录音，用阿拉伯数字给下面图片排列顺序。 

 洗衣服 

 清洁地板 

 烹饪食物 

 洗蔬菜 

 刷牙 

 种庄稼 

 制作饮料 

 扑灭火灾 

1. We use water to cook food.<br />2. We use water to grow crops.<br />3. We use water to clean the floor.<br />4. We use water to make drinks.<br />5. We use water to put out fires.<br />6. We use water to wash clothes.<br />7. We use water to brush our teeth.<br />8. We use water to wash vegetables.