冀教版八年級下冊Lesson17導學案.docx

1、Lesson 17： Save the Tigers【認知學習目標】1 .識記單詞：century;fur;symbol;courage;brave;chain;balance;reason;disappear;kill;cut; decrease2. 掌握句型短語：at the beginning of;the number of;at the top of;keep.in balance;be in danger of.;cut down; as well;drop to;food chain;be important to;in recent years【預習成果展示】.l. stron

2、g（名 詞）2.balance（形容詞）4.drop（過 去式）3. 在之初4.下降到，跌至5.食物鏈6. 保持平衡7的數量8.aswell9.in danger10.cutdown11. at the topof.12. be important to13. in recent years【課堂學習研討】-、Learn new words and explain some of them二、Listen and Read the text, then finish exercise (Let's do it EXI. 2 )三、Language points師生合作找出下面句中的語言

3、點1. At the beginning of the 20th century, the number of tigers in the wild_was around 100 000.2. For this reason, tigers are important to the environment.3. In recent years, tigers have been in danger of disappearing.4. As forests disappear, tigers lose their homes.【當堂訓練檢測】一、 用所給詞的適當形式填空1. The numbe

4、r of pages in this book(be) two hundred.2. The number of wild animals(have) become less and less in recentyears.3. A number of books in our school library(be) about the young.4 .我們應該阻止人們砍到樹木。We should stop people fromthe trees.5 .如果你深夜單獨出門可能會有危險。You may be if you go out alone late at night.6 .荷蘭隊己降至第五名。The Dutch team fifth place.7. 自然界的食物鏈應該保持平衡。Thein nature should keep .8 .許多學生喜歡玩電腦游戲。 stude