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课件网) Unit 8 Our Blue Planet Lesson 2 Function and Pronunciation Learning Objectives In this class, you will 学习字母组合al, ar, wa, ch/tch, dge/g, gu, gh, ght的正确发音 利用升调和降调阅读句子，并掌握升、降调的规律 通过文本了解和水相关的事实并完成对话总结 Lead-in It’s water. Guess what it is according to the descriptions. It covers about 71% of our earth. It covers about 70% of our body. We can’t live without it. We drink it every day. What is it Pre-listening Activity 1 A. Pair Work. Look at the pictures and talk about where water comes from. sea rain ice river While-listening Activity 2 Listen to the conversation and answer the question. Xiao Ya: Mom, where does water come from Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky. Xiao Ya: But I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use a lot of water in our life. Mom: That’s right. And the good thing is we have a lot of water on the earth. Xiao Ya: Yes. Just because of this, we call the earth a blue planet. Mom: But we can only use about 1% of the water on the earth. The rest is all sea water or ice. Xiao Ya: That is very little water. Let’s save every drop of water. What are Xiao Ya and her mom talking about They are talking about water. While-listening Activity 2 Listen again and mark T or F. Xiao Ya: Mom, where does water come from Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky. Xiao Ya: But I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use a lot of water in our life. Mom: That’s right. And the good thing is we have a lot of water on the earth. Xiao Ya: Yes. Just because of this, we call the earth a blue planet. Mom: But we can only use about 1% of the water on the earth. The rest is all sea water or ice. Xiao Ya: That is very little water. Let’s save every drop of water. Water is under the ground, in the ocean and in the sky. ( ) Water can go up into the sky and form clouds. ( ) We need little water in our life. ( ) We can only use 2% of the water on the earth. ( ) T T F F a lot of 1% While-listening Activity 2 Read the conversation and practice it with your partner. Xiao Ya: Mom, where does water come from Mom: There is water everywhere. It’s under the ground, in the ocean and in the sky. Xiao Ya: But I can’t see any water in the sky. Mom: It’s in the air. On sunny days, water goes up into the sky and forms clouds. Xiao Ya: I see. As we all know, water is very important to us. Mom: Yes. We need to drink water every day. Xiao Ya: We also need to use ... ...
