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了解水和人类的密切关系，意识到节约用水的重要性。
教学重难点：
重点：1.学生能四会掌握词汇：use, clothes, farmer, useful,
grow crops, put out fires.
2.正确书写核心句型We use water to wash our hands.
3.学生能简单描述水的来源，水在生活中的用途。
难点：句型： We use water to wash our hands.中to与动词词组搭配使用。
教具准备：录音机，PPT
教学过程
Step1：Warm up
1. Greetings.
2. Guessing game: What is it?
It has no taste. It has no smell. It has no colour. It is eveywhere around us. It is in the river. It is in the rain. What is it?（由猜谜引出本课主题water）
Step2：Presentation
1.学生讨论: What do you know about water?( 引导启发：Does it have
any colour? Does it have any shape?Does it have any taste?)
2. 观看视频，思考并回答： Is water very useful?
3. 打开书，静听录音，找一找Where does water come from?并画下来。
学生思考并口头完成填空：Water comes from the sea, the rain and the tap.
随文识字教学tap ,并出示各式新老水龙头让学生欣赏。
拓展：Water comes from rivers, lakes and wells too.
4. 学生自读课文，找一找How do we use water?并画出有关的词组
提供句式We use water to _____ 学生反馈
5.引出并重点教学句型Firemen use water to put our fires. They are
brave. Farmers use water to grow crops. They’re hard-working.
启发学生思考： Cooks use water to cook food. ___ use water to __.
6.Listen to the tape and repeat. Then role-read the dialogs.
Step3：Practice
1. 学生讨论：Water is very useful. How do we use water?
(启发学生思维：e.g. clean our teeth , wash dishes ,make drinks …)