《Unit 13 We are trying to save the earth!》教案

Unit 13 Were trying to save the earth!

Period 3

一、教学目标：

Language aims:

1．Key words：shark，fin，cruel，harmful，chain，ecosystem，industry，law，scientific

2．Key phases：be harmful to，at the top of，the food chain，so far, not only… but also…

3．Sentence pattern:

Many have heard of shark fin soup

This is not only cruel, but also harmful to the environment.

The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years

Emotion aim: learn how to protect animals in danger

二、学情分析

本课内容是关于充满神秘感的海洋生物——鲨鱼的，所以学生很感兴趣。

三、重点短语及句型

短语：be harmful to，at the top of，the food chain，so far, not only… but also…

句型：Many have heard of shark fin soup

This is not only cruel, but also harmful to the environment.

The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years

教学过程：

Step1Lead in

Teacher: There are many kinds of pollution in our daily life. They are not only seen on the land, but also in the ocean. In the deep sea, there’re many kinds of creatures, but some of them are in danger.

意图：把话题引入神秘的海洋，过渡自然，引起学生的兴趣。

Stp2 Finish the task 3a-3b

1.Show them a picture to learn the new word ，shark，talk something about sharks。

During this process，introduce new words and phrases：cruel，the food chain，at the top of

2.Show them another picture to learn phrase，shark fin soup。Then，play the video

and let them know “How do people get the shark fin?”

意图：用触目惊心的视频让学生了解人们为了得到鱼翅而使鲨鱼承受的痛苦，为下文学习怎样保护鲨鱼做铺垫。

3.Listen to the tape and fill in the blanks。Then ask them to check the answers。

意图:锻炼学生听说能力，了解鲨鱼现状及保护措施。

4.Read the text carefully and finish 3b. Then , work in pairs to discuss the answers.

意图：培养学生的阅读能力。

5．Read it again and try to master the main idea of each paragraph。6．Language points：

be harmful to=do harm to

not only… but also …

at the top of

WildAid and WWF

意图：通过讲解提示，让学生掌握语言点。

Step 3：Do some exercise

意图：巩固所学语言点。

Step 4：Sum up

Step 5：Homework

1.Retell the text according to the key words

2.How do we protect the sharks？Give your advice。

板书设计：Unit 13 Were trying to save the earth!

Section A(3a-3b)

be harmful to = do harm to

not only… but also …

at the top of …

WildAid , WWF

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