Unit 7 The Sea Lesson 3 The Sea World学案

【学习目标】

1. Get to know some animals under the sea and get some information about underwater world;

2. Use the key words like energetic, discovery, educate, attraction, discount, melt, measure, length etc. to describe underwater world orally．

【教学环节】

（一）温故而知新

1. Have you ever seen any marine animals (海洋动物)? Make a list of them and try to add more to the list.

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(二) 课前预习

1. Match the new words of Lesson 3 with the definitions and use them to complete the sentences.

(1) energetic a. something that is discovered

(2) discovery b. the act of reducing the selling prices of goods

(3) educate c. the process whereby heat changes something from a solid to a liquid

(4) attraction d. the act or process of measuring

(5) discount e. a cunning or deceitful (骗人的) action or device

(6) trick f. having or displaying energy

(7) melt g. give an education to

(8) measure h. reflecting the latest information or changes

(9) length i. the linear extent in space from one end to the other

(10) up-to-date j. the force by which one object attracts another

2.根据所给首字母或中文提示写出对应的单词。

(1) All my correspondence（通信） is u________________.

(2) He m________________ the rope to see if it was long enough.

(3) Most of the teachers in this school are well e________________.

(4) I can give you a small d______________ if you buy this book written by Luxun.