人教新目标 (Go for it) 版八年级下册Section B优质课件ppt

课题名

Unit7 What’s the highest mountain in the world ？Section B (1a-1d)

教学目标

1.Language ability: To make comparisons by using comparatives and superlatives.

2.Learning ability: ①Be able to talk about geography and nature. ②Enable the students to write an article about whales or other animals.

3.Thinking ability: ①Let the students know how to talk about geography and nature.②Let the students know that our country is so beautiful that we should love her.

教学重点

The vocabulary:

centimeter/centimetre; weigh; birth; at birth; up to; adult; live up to; kilo; take turns doing sth.

Target language:

1.This elephant weighs many times more than this panda.

2.They can live up to 20 to 30 years.

3.What about the size of a baby panda?

教学难点

To make comparisons by using comparatives and superlatives.

教学准备

Teacher Preparation: multimedia courseware, textbook recordings

Student Preparation: pre-class preparation

教学过程

1.New words

cm(=centimeter/centimetre)/'sentɪmiːtə(r)/ 厘米

weigh                 /weɪ/        重量是⋯⋯;称⋯⋯的重量

birth                  /bɜː(r)θ/      生;诞生

at birth                             出生时

up to                       到达(某数量、程度等);至多有；不多于

adult/a′d∧lt/                 adj.成年的；成人的n.成人；成年动物

2.Lead in

(1)Play two videos and ask students questions ：

Do you know any basic facts about them?

(2) Talk about together：How can we describe wild animals when talking about them?

(3)Let’s try to describe the elephant and the panda.

(4)Try to describe more animals.

3.Pre-listening

(1)Finish 2a

Compare facts about these two animals. Use the language in the box to help you make sentences.

(2) Share the answers.

(3) Read the following numbers.

4.While-listening

(1)Finish 1b

Listen and check (√) the numbers you hear.

(2) Finish 1c and check the answers.

(3) Explain the language points in listening materials.

(4)Fill in the blanks according to the information in 1b&1c.

A baby panda is lovely. When it is born, it is much ________than an adult panda. It _______ about 0.1 to 0.2 kilos, but an adult panda weighs about 100 kilos. At ______, it’s only around

______ long, but an adult panda is around 150 cm long. A baby panda is pink and it _____ see. It also doesn’t have any ______. A baby panda can _____ ____ to 20 to 30 years.

5.Post-listening

(1)Finish 1d and share with each other.

(2)Play a game :true or false.

(3)Watch a video.

6.Language points

(1) weigh的用法

(2) 倍数+比较级+than

7.Exercises

Ⅰ.单项选择。

1.The road is ________ that one．

A．twice as wider as  B．twice as wide as

C．twice so wide as    D．wider twice than

2.Our school is ________ than yours．

A．twice bigger     B．bigger twice

C．twice big              D．many times big

Ⅱ.根据汉语意思补全句子。

1.那个婴儿生下来重七磅。

That baby weighed seven pounds ______ _____．

2.一只熊猫能活20到30年。

A panda can _________ _________ _________ 20 to 30 years．

3.这头大象的重量比这头熊猫重许多倍。

This elephant weighs __________ __________  more than this panda．

板书设计

1.出生时                 at birth

2.活到20到30岁         live up to 20 to 30 years

3.重得多                 weigh much more（much的比较级）

4.轻得多                 weigh much less （little的比较级）

课后作业

Do the exercises in students’ book.

教学反思

In this class, the teacher can ask the students to compare the two animals in 1a. It helps to make students master comparatives and digital knowledge. We can teach the students how to read the numbers in 1b before listening. While listening, we should ask them to takes notes so that they can get key information.