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1、上沙窝中学八年级英语与学案主备人授课教师授课班级授课时间学案编号教研组长签字常德凤课题Lesson17: Save the Tigers课型课时学习目标To learn new words and phrases /Understand the text/To know how to protect animals学习重点To learn words and phrases, difficult sentences学习难点How to protect the animals导学流程学习内容预习交流:在开头 ,世纪 的数量 ,象征勇气,勇敢的, (adv.) 食物链 ,平衡, (adj.)()保
2、持平衡 ,原因 ,消失(adj.) 杀死,减少问题导学：let s Do itPart I.Read the lesson and match each paragraph with its main idea.Part2. Read again and find some sentences to support the main idea of each paragraph.Paragraph1(1) .(2) .(3) .Paragraph2(4) .(5) .(6) .Paragraph3(7) .(8) .(9) .1. At the beginning of the 20th ce
3、ntury, the number of tigers in the wild has around 100000。At the beginning of ,around = aboutThe number of、，、的数重，其后一般接可数名词的复数形式。作主语时，谓语动词用单数形式。A number of、 许多、大里,用来修饰可数名词的复数形式，作主语时，谓语动词用复数形式。In the + 序数词+century,在某世纪。2. But today that number has dropped to a few thousand .备注 栏drop to 跌至、下降到。eg: the
4、temperature will drop to -3 below zero.3. Tigers are symbols of strength and courage.symbols:可数，象征(c) , courage:勇气，(U)4. It helps keep the number of other wild animals in balance. Keep、in balance 保持、的平衡 Keep/lose one s balance保持 / 失去平衡5. For this reason, tigers are important to the environment. be i
5、mportant to对、很重要important (adj ) importance(n)6. In recent years, tigers have been in danger of disappearing. In recent years.近几年，用丁现在元成时。eg : in danger处于危险中，Out of danger.脱离危险in danger of处于、的危险中danger(n.)-dangerous(adj.)7. disappear(v.)appear(反义词，出现)8. As well people have cut down a lot of trees.as well( 肯定句)/too (句首或句尾)/either/also写出其他“也”的用法Discussion :Discuss how to protect animals. Please write some of your ways .教学反思学习反思