M3 U7 LESSON 3-2 The Sea World Grammar

Objectives By the end of the lesson, you’ll be able to tell the rules of making comparison; use the structures to make comparison.

They have a huge mouth and can eat fish as big as themselves. Structure & meaning What do they have in common? They have a huge mouth and can eat fish as big as themselves. The tiniest fish is not as big as a fly in your house. as big as 和……一样…… not as big as 不如…… 同级表达形式：(not) as + 原形 + as

He caught a fish as big as himself. Practice 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.

A shark is not as friendly as a dolphin. Practice 鲨鱼可没海豚那么友善。 A shark is not as friendly as a dolphin.

Structure & meaning 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. 比较级表达形式：原形+er； more / less +原形

Penguins are funnier than polar bears. Practice 企鹅比北极熊滑稽。 Penguins are funnier than polar bears.

A shark is not as friendly as a dolphin. Practice 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.

Structure & meaning 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. 最高级表达形式：原形+est； most+原形

Practice most dangerous most unusual The _____fish in the sea is the shark. most dangerous The _____ fish in the sea is the flying fish. most unusual

Practice 7 smaller better 1 2 3 4 5 6 7 the most intelligent the easiest The biggest the most popular the friendliest

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.

Yao Ming is almost twice as tall as I am. 常见难点句式 1. 倍数与差额 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.

常见难点句式 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.

常见难点句式 3. 比较级的固定句型 The sooner the better. The less I worried, the better I worked. The more you eat, the heavier you become. The stronger the wind, the stronger the tree. Now, your turn please.

Language in use Language support 学案练习III 1. convenient, expensive, cheap, far, fast, beautiful, amazing… 2. ♠ more…than…; less…than… ♠ The more, the more ♠ two/three times … more than… ♠ You certainly won’t find a better aquarium like...

strong pretty careful reliable Check your learning 1. 变为比较级和最高级形式 学生板书 strong pretty careful reliable 2. 汉译英 蛤蟆鱼(toadfish)比蛤蟆还难看。 A toadfish is uglier than a toad. 海豚和海豹一样有活力。 Dolphins are as energetic as seals.

Homework ! Do P58—P59--Ex. 1, 2, 3, 4 (任选两题)