人教版八年级英语下册第七单元第4课时

八年级英语(下)第7单元第4课时

Unit 7 What’s the highest mountain in the world?

Section B 1a—1d

一、【教材分析】

教学目标知识

目标

1. 学习并掌握下列单词：

cm(centimeter), weigh, birth, adult

2. 能正确使用以下常用表达：

at birth, live up to, weighs 5,000 kilos, standing on two legs, weighs many times more than, a baby panda, an adult panda,

3. 能熟练掌握并使用下列重点句式：

1）A baby panda c annot see?

2）At birth, a baby panda is about 20 cm long.

3) An adult panda weighs many times more than a baby panda.

能力

目标

能够掌握课文中出现的重点句子，学会表达事物之间的倍数关系。

情感

目标

培养学生热爱大自然，保护环境的意识。

教学重点Talk about geography and nature .

教学难点正确使用本课时常用表达；听力训练。

教学方法情景教学法；任务型教学法。

二、【教学流程】

环节师生活动

I. Preparation

准备1．检查单词预习情况：教师结合学生读的状况，适当领读，并帮助学生正音。cm(centimeter), weigh(weight), birth(born,birthday),(an) adult

2．复习检查

通过检查“学案”中“新知预习”内容，检查预习效果。

英汉互译:

1. 350米高

2. 重5公斤

3. a baby panda

4. an adult panda

5. 活到100岁

6. eat much more

7. 在出生时8.两腿站立

II. Presentation

呈现1. Learning tasks “示标定向”

学习并掌握下列单词：

cm(centimeter), weigh, birth, adult

能正确使用以下常用表达：

at birth, live up to, weighs 5,000 kilos, standing on two legs, weighs many times more than, a baby panda, an adult panda,

能熟练掌握并使用下列重点句式：

1）A baby panda cannot see ?

2）At birth, a baby panda is about 20 cm long.

3) An adult panda weighs many times more than a baby panda.

2. Leading-in“导入新课”1a

1. 应用所给信息，比较图中两种动物。

如：This elephant weighs many times more than this panda.

(200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more)

2. 小组讨论：Compare the panda and the elephant.

3. Make more sentences using the inform ation in 1a.

如：The elephant is 350 cm tall ,and the panda is 150 cm tall.

The elephant eats 150 kilos of food a day, and the panda eats 10 kilos of food a day.

III.Practice

操练1. 1b Liste n and check(√) the numbers you hear.

领读数字读法：120 one hundred and twenty ,

0.1zero point one

核对答案：100, 20, 0.1, 0.2, 150

2. 1c Listen again and complete the sentences.

核对答案：1. 0.1 to 0.2 kilos

2. 15 cm long

3. pink , no teeth

4. 20 to 30 years

3. 应用听力材料，小组准备，然后班内讨论熊猫,最后由各组成员展示:

A: A baby panda can not see.

B: An adult panda weighs many times more than a baby panda.

4. Language points:

1) At bir th, a baby panda is about…

birth v. 出生at birth 出生时

如：Man’s nature at birth is good. 人之初，性本善。

give bir th to…生（孩子）；产生

如：My aunt gave birth to a beautiful baby girl yesterday.

昨天我婶婶生下一个漂亮的小女孩。

2) A panda can live up to 20 to 30 years.

up to 到达（数量，程度等）；不多于,如：

In some area of Africa, children get educated up to 12 years old.

在非洲的一些地区，孩子最多受教育到12岁。

3）An adult panda weighs many times more than a baby panda. 一只成年熊猫比一只熊猫宝宝重很多倍。

weigh 意为重、有…重、给…称重，其名词形式为weight,有短语in weight。

The box weighs 33 kg.=The box is 33 kg in weight.这个箱子33千克重。

many times more than 用以表示倍数，类似短语还有：

many/some/twice more than ,many/some/twice less than

如：I have twice more books than my sister.