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 Voyage Step Ⅲ: Careful reading Task 1. Read the text carefully and then fill in the form.
What to see
What to do Watch the acrobatic seals.
Polar World Polar bears; a real iceberg
Meet less energetic but more friendly penguins.
the most beautiful coral and the most unusual fish
Watch some fish “flying” through the water. Watch fantastic shows.
Sea Theatre intelligent dolphins
Discovery crabs and other smaller Touch smaller creatures. Pool creatures Be educated about daily life on the beach. Listen to some fish which can produce noisiest fish Virtual Reality Voyage prettiest fish tiniest fish dolphins the great white shark sounds as loud as your speaking voice. Watch some fish attracting other fish with a light on their body and then eating them. Look for the tiniest fish which is not as big as a fly. Swim with dolphins and face an attack by the most dangerous creatures in the sea. Task 2. Read the text again and do Exercise 2 Task 3. Read the text again and do Exercise 3 StepⅣ : Vocabulary 1. energetic—full of energy 3.attract—to make sb. Interested 5.up-to-date—modern & popular 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……
2.educate—to teach or train sb. 4. watch out—be careful 6.discount—a reduction in price
The tiniest fish is not as big as a fly in your house. 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? You 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。Yao Ming is almost twice as tall as I am. 你的门票比我的便宜一百元。Your ticket is 100 yuan cheaper than mine.
②比较级表示最高级 You 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 : Voice 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.