The Sea World教学设计

Teaching plan
授课内容：Unit 7 The Sea Lesson 3 The Sea World
授课教师：吴金龙
授课时间：2013-3-6
授课地点：五楼多媒体教室
集体备课人员：李大江陈传军吴金龙王震青贡玲玲胡敏龚云志Teaching aims:
to learn some animals under the sea
to learn some words and expressions
to learn the usage of “ as “
Teaching difficulties:
To master the usage of “as”
Teaching Aids:
computer and cassette
Teaching procedures:
StepⅠ: Warming up
Show some pictures. Let the class read these words together.
penguins；polar bears; white shark; dolphin; acrobatic seal; whale; coral; crab;
pretty fish; unusual fish; flying fish; fish with light; noisiest fish; tiniest fish;
iceberg
Step II: Listening
Listen to the cassette and answer the questions
How many areas are there in the Underwater World?
What are they?
Polar World、Ocean Floor、Sea Theatre
Discovery Pool、Virtual Reality V oyage
Step Ⅲ: Careful reading
Task 1. Read the text carefully and then fill in the form.
Task 2. Read the text again and do Exercise 2
Task 3. Read the text again and do Exercise 3
StepⅣ : V ocabulary
1. energetic—full of energy
cate—to teach or train sb.
3.attract—to make sb. Interested
4. watch out—be careful
5.up-to-date—modern & popular
6.discount—a reduction in price StepⅤ: Grammar
1、What do they have in common?
They have a huge mouth and can eat fish as big as themselves.
和……一样……
The tiniest fish is not as big as a fly in your house. 不如……
总结：同级表达形式：(not) as + 原形+ as
例如：他捕了一条和自己一样大的鱼。

He caught a fish as big as himself. The fish he caught is as big as himself. 鲨鱼可没海豚那么友善。

A shark is not as friendly as a dolphin.
2、Can you summarize the rule?
Crabs are smaller creatures in the sea.
Penguins are more friendly than seals.
Flying fish are less colorful than some other fish.
总结：比较级表达形式：原形+er；more / less +原形
例如：企鹅比北极熊滑稽。

Penguins are funnier than polar bears.
鲨鱼没有海豚那么友善。

A shark is not as friendly as a dolphin.
A shark is less friendly than a dolphin.
3、What rules do you find?
Y ou can see some of the strangest fish in the world.
Virtual voyage is our most up-to-date attraction.
总结：最高级表达形式：原形+est；most+原形
4、常见难点句式
①倍数与差额
Some fish can produce sounds almost twice as loud as your speaking voice! Their school yard is four times as large as ours.
He is a head taller than I am.
We arrived there two hours earlier than the other team.
例如：
姚明快有两个我那么高了。

Y ao Ming is almost twice as tall as I am.
你的门票比我的便宜一百元。

Y our ticket is 100 yuan cheaper than mine.
②比较级表示最高级
Y ou certainly won’t find a noisier fish.
The movie is fantastic. I’ve never seen a better one.
I can’t agree more.
China is larger than any countries in Africa.
He is taller than any other boys in the class.
Step VI : V oice your opinion
Which part of Underwater World do you like to visit? Why? Step VII: Homework
Finish Ex. 5 on P59.
Find and underline the sentences of comparison in the text.。