英语人教版九年级全册13单元section A 3A-3B教案

河南洛阳市东方第二中学张红亮
Unit 13 Section A (3a-3b) 教学设计
一Target language
1. Knowledge goal：
（1）to learn and to use new words
shark fin , cut off , method ,cruel , harmful ,chain , ecosystem , low ,industry, law ,reusable, afford , transportation , be harmful to , at the top of , the food chain , scientific , take part in ,turn off , pay for , take action
（2）to review key structures
We're trying to save the earth.
The river used to be clean.
The air is badly polluted.
2. Ability goal:
After reading the passage about sharks ,students can learn reading skills and improve their reading level .Learn the skills from the passage like promoting a problem, analyzing the problem and solving it.
3. Emotion goal:
After reading the passage,make the students understand that saving the sharks is saving human beings themselves.Develope the sense of protecting our nature.
二Teaching aid
Slides shown
三、Teaching procedures and ways
Step I Warming up & Pre-reading
Show students pictures about the earth. Say that the earth is badly polluted.
What should we do to save the earth? Make a mini survey by asking students questions showing some pictures to help.
Step II While-reading
Leading-in
Do you like sharks?
Should we be friendly to sharks? Should we save the sharks?
Task 1. Read the whole passage quickly and find out the answers to the questions.
1. Have you ever seen a shark（鲨鱼）?
2. What do you know about sharks?
Task 2. Read Para. 1 and judge:
1. Shark’s fin（鱼鳍）soup is famous and expensive all around the world.( )
2. We have to kill a whole shark to get a bowl of shark’s fin soup. ( )
Task 3. Read Para.2 and judge:
1. People cut off sharks fins and throw the sharks back into the ocean. ( )
2. Sharks are in the bottom of the food chain in the ocean’s ecosystem. ( )
Task 4. Read Para. 3. and judge:
1. WildAid and the WWF are environmental protection groups in China. ( )
2. Shark’s fins are good for health. ( )
Task 5. Read the passage again and fill in the blanks in 3a
Task 4. Read the passage a third time and finish the exercises in 3b.
Step III Post-reading
Task 1.Discussion.
Students work in groups and discuss:
What can people do to save the sharks?
As a middle school student, what can you do to save the sharks?
Task 2. Writing.
Students write a proposal with the guide of the teacher.
Step IV explanation of some important points
1 no longer和not…any longer侧重时间。

e.g. He no longer lives here.
= He doesn’t live here any longer.
他不在这儿居住了。

(一个时间以前他住在这儿，过了这个时间，他就离开了。

) not…any more侧重程度和数量
e.g. You can dri nk no more. = You can’t drink any more.
你不能再喝了。

(喝酒的量到了一定程度，不能再继续下去了。

)
2 She not only plays well, but also writes music.
她不但很会演奏，而且还会作曲。

Not only men but also women were chosen.
不仅仅是男的，女的也有被选中的。

…..
Step V Homework
1.Read the passage again. Tell your friends why we should save the sharks.
2. Improve your proposal.
3 Write 5 measures to protect the environment.。