Module 4The natural world Unit 10 Air 学案（含答案）

Unit 10 Air
【学习目标】
1．本单元词汇和句型。
2．能用本单元话题交流。
3．语音：ch, g, j, sh, s。
【学习重难点】
1．熟记本单元词汇和句型：What makes the air dirty
2．能将本单元话题用于实际交流中。
【学习过程】
1．重点词汇梳理：
（1）air 空气
（2）everywhere 到处
（3）alive 活着的
（4）factory 工厂 factories（复数）
（5）smoke 烟
（6）dirty 脏的 反义词：clean 干净的
（7）fresh 清新的
（8）plant 种植
（9）keep…alive 让……活着
（10）plant trees 植树
2．重点句型：
It keeps them high in the sky.
What makes the air dirty
【达标检测】
一、根据图片和首字母提示拼写单词，使句子完整。
1．---Are there any f________ near your home
---Yes. The smoke makes the air d________.
2．The air is c________ in the park. There are trees e________.
3．Air keeps us a________. It is very important to us.
4．I want to p________ a tree in my garden. Trees make the air clean and f________.
5．Look! There is a fire. Black s________ is coming out.
6．A________ keeps the balloon high in the sky.
二、读一读，选择合适的单词填空完成句子。
keep make live alive clean smoke plant
（1）That bad news（消息） ___________ Danny sad．
（2）The city is our home. Please ___________ it clean.
（3）Doing exercise ___________ us healthy and strong.
（4）Jason ___________ in Sydney. He goes to the beach at Christmas Day.
（5）What can we do to keep this little dog ___________
（6）Don’t ___________ here. The ___________ in the room is bad to our health.
（7）There are many ___________ in the garden. Look, a gardener（园丁）is ___________ an apple tree.
（8）What a mess! Let’s ___________ the room together. It will look ___________ and tidy.
三、读一读，根据图片提示写出正确的答案。
A．a parachute（降落伞）
B．a sailing boat
C．a hot-air ballon
D．a kite
（ ）（1）It is round and colourful. It goes up slowly to the sky when there is heat. What is it It is _________________.
（ ）（2）It comes down slowly from the sky. A large piece（张，块，个） of cloth（布） keeps the air in. Air keeps it from falling quickly. What is it It is _________________.
（ ）（3）It goes up in the air when there is wind. It comes down when there is no wind．Children like to play with it. What is it It is _________________.
（ ）（4）It moves on water. Air pushes（推动）it to go. It goes quickly when the wind is strong. It cannot go when there is no wind．What is it It is _________________.
参考答案:
一、
1．factories, dirty
2．clean, everywhere
3．alive
4．plant, fresh
5．smoke
6．Air
二、
（1）makes
（2）keep
（3）keeps/makes
（4）lives
（5）alive
（6）smoke, smoke
（7）plants, planting
（8）clean, clean
三、
（1）a hot-air balloon
（2）a parachute
（3）a kite
（4）a sailing boat
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