人教修订版英语高二上Unit 9 Saving the earth
Warming up & listening教案

1．Brief Statements Based 0n the Unit
In this unit，Ss will do some listening speaking，reading and writing practice．Also, they will learn to use the Inversion．In the first period，Ss wi1l improve their speakingability by talking about nature ecology and the environment and they will listen to some listening material about our environment．After the study of this period，they will improve their speaking and listening abilities and also know something about the problems facing the earth．In the second period，Ss will read a passage about the Earth Summit．From the passage Ss will know more about the importance of protecting our earth．In the third period．Ss will study the grammar item：Inversion．After doing some exercises provided in this period．and with the help of the teacher，Ss will know how to use the Inversion．Teacher may provide more exercises for Ss to consolidate if necessary．In the last period，Ss will listen to two speeches from the Earth Summit and finish the practice provided in the first part．Ss will know more about the Earth Summit and improve their listening ability．In the writing part, Ss will improve their writingability by writing an evaluation paragraph with the help of some given expressions．After the study of this unit．Ss will know how to support an opinion，and they will know more about environment protection．They will know that if all of us make small changes．we could make a big difference．They will do more to protect our earth．
II．Teaching Goals
1．Talk about nature ecology and the、environment．
2．Practise supporting an opinion．
3．Learn to use inversion．
4．Write an evaluation paragraph．
III．Teaching time：Five periods
Period 1 Warming up & listening
Teaching Aims：
1.Train the students’ listening ability．
2.Improve the students’ speakingability by talking about nature ecology and the environment．
3.Learn and master some useful expressions for supporting an opinion．
4.Help the students to know something about the pollution．
Teaching Important Points：
1．Improve the students’ speaking ability．
2．Improve the students’ listening ability．
3．Help the students to learn to support an opinion．
Teaching Difficult Points：
1．How to improve the students’ speaking and listening abilities．
Teaching Methods
1．Listening-and-answering activity to help the students go through the listening material．
2．Discussion to make the students practice supporting an opinion．
3．Individual，pair or group work to make every student work in class．
Teaching Aids：
1．a tape recorder
2．the blackboard
Teaching Procedures：
Step 1. Lead- in
T: Hello, everybody! As we all know, the earth is the only hoe of all creatures. Do you think it is beautiful? Yes. I agree with you. Can you name some places of interest in the world? Quite right. We have a lot of places of interest: the Great Wall, the West Lake, Zhangjiajie, Jiuzhaigou and so on. Do you think it is necessary and important for man to protect the earth? Yes, of course. Have you ever thought that the earth is also very dirty, .very ugly? Believe it or not, the earth is getting dirtier and dirtier. Look at the pictures in page 65,please
Step 2 Warming up
T: Now tell me what you can see in the pictures
But now the earth is being seriously polluted; the trees are being cut down; green hills are becoming less and less. The leaves are falling off the trees. Also, different smokes and fogs are polluting the air. Besides, waste water from factories and plants are dirtying the water, too. Lakes and rivers are no longer safe for fishes, what’s worse, the oceans are being polluted too! As a result people no longer enjoy a happy life as before. The earth is in danger!
Rivers have been polluted, rubbish is everywhere, factory chimneys have given off too much smoke causing lots if avid rain all over the
生词表: