课前准备
1．教师准备A Let's learn部分的挂图和单词卡片，准备四年级下册第四单元B Let’s learn部分rainy的单词卡片，准备其它景物的单词卡片。
2．教师准备实物投影仪、录音机及录音带。
3．教师准备一大张空白画纸，一个小玩具。
4．教师准备四年级下册第四单元B部分的歌谣录音带。
5．学生准备A Let's learn部分的单词卡片。
教学步骤和建议
1．热身(Warm-up)
(1)教师放四年级下册第四单元B部分的歌谣录音，学生跟说歌谣并做出相应的动作。
(2) 教师说：“We drink water every day．We need water every day．What else needs water?”教师出示Let's start部分的挂图，引导学生看图回答：Trees／Flower／Animals／Birds need warm．Fish needs water，too．教师可以启发学生，想出更多动植物、昆虫名称，然后继续问：“Where does water come from?’引导学生回答：“It comes from rivers，seas，rain，snow…”
2．预习(Preview)
日常口语练习：
What's the weather like today? It's…
Do you like rainy days? Do you like sunny days?
What do you do every day?(I brush my teeth／wash my face／eat
Breakfast/eat lunch/eat dinner/take a shower．、
Where does the warm come from?
3．新课呈现(Presentation)
Let's learn
(1) 教师拿出四年级下册第四单元rainy的单词卡片，说：“Today，we're going to talk about rain．Where does it come from? Does it come from the sky?”教师在黑板上画出雨的简笔画，板书rain并带读。
(2) 教师提问：“Where does the rain come from?'’引导学生回答：“It comes from the clouds．”教师画出乌云的简笔画，板书cloud并带读。同法引出vapour，sun. 在引出四个重点词汇后，教师也在黑板上完成了一幅水循环的简笔画。教师继续问：“Where does the vapour come from?'’引导学生回答：“It comes from the stream．”教师画小溪的简笔画，板书并带读：stream。