冀教版八年级下册Lesson 17 Save the Tigers课堂教学课件ppt

这是一份冀教版八年级下册Lesson 17 Save the Tigers课堂教学课件ppt，共13页。PPT课件主要包含了New Words，Exercises等内容，欢迎下载使用。
1) the number f2) balance的用法3) danger的用法
I. Learning aims:
Master the new wrds: century, fur, symbl, curage, brave, chain, balance, reasn, disappear, kill, cut, decrease
II. Learning imprtant and difficult pints:
century fursymbl curagebrave chainbalance reasn disappear killcut decrease
Think Abut It
Where can yu usually see a tiger?D yu think tigers need ur help? Why r why nt?
Language Pints
At the beginning f the 20th century, the number f tigers in the wild was arund 100 000. 在二十世纪初期，野生老虎的数量大约是十万。 the number f是固定短语，意为“……的数量”，后接可数名词复数，但中心词是number，所以谓语动词要用单数。如： The number f students in ur schl has grwn frm 1,000 t mre than 1,500. a number f为量词短语，意为“许多；大量”，相当于a lt f或lts f，中心词是该短语所修饰的可数名词复数，所以作主语时，谓语动词用复数形式。 如： A number f students like playing cmputer games.
2. It helps keep the number f ther wild animals in balance. 它可以帮助保持其他野生动物的数量平衡。 balance 在句中用作名词，意为“平衡；均衡”，常用短语be ut f balance，意为“不平衡”；keep in balance意为“保持平衡”；balance还作动词，表示“（使）平衡；（使）均衡”。如： Yu must learn t keep yur balance in skating. 在滑冰时你必须要学会保持平衡。
3. In recent years, tigers have been in danger f disappearing. 近年来，老虎已经面临消失的危险。 danger意为“危险”，通常是不可数名词，表示做某事的危险或发生某情况的危险等，常用短语 be in danger (f)，意为“在危险中”。如： Is there any danger f fire? 有发生火灾的的危险吗？
1. ________ (长颈鹿) are the tallest animals n land.2. What beautiful __________ (婚礼) clthes they are!3. Uncle Yan visited many ______ (亚洲的) cuntries last year. 4. He is interested in _______ (历史).
I. 根据句意及所给汉语提示，完成下列句子。
1. One f the wrld's biggest zs _____ (be) in Egypt.2. My pet dg _____ (die) tw weeks ag.3. _____ (bar) keep the animals inside.4. They gt ________ (marry) n August, 8th 2008.5. The Siberian tiger is the ______ (big)cat (猫科动物) in the wrld.
II. 用所给单词的适当形式填空。
1. Nbdy else wants t g t the village. (改为同义句)___ ____ _______ want t g t the village.2. Liu Yang kept tw dgs. (改为否定句)Liu Yang _____ _____ tw dgs.3. Thse zs have ten pandas. (改为同义句)_____ _____ ten pandas in thse zs.
There are
III. 句型转换，每空一词。
N ther peple
didn't keep