英语八年级下unit7 SectionB1a-1d课件.ppt

1、Unit 7 Whats the highest mountain in the world? Section B 1a-1d,The Comparative and Superlative,复习,形容词和副词的比较级和最高级,形容词和副词比较级和最高级构成 (规则变化),单音节词在词尾比较级加- er或最高级加- est,以e结尾的词，只需加r 或st,以辅音字母加 y 结尾双音节词变 y 为 i 加 er 或 est,重读闭音节、末尾只有一个 辅音字母双写加 er 或 est,部分双音节和多音节词在原级前加 more 或 most,taller- tallest,nicer-nicest,

2、happier-happiest,bigger-biggest,more popular-more popular,不规则变化,good / well,much / many bad / badly / ill little far old, better - best, more - most, worse worst, less least, farther/ further farthest /furthest, older/ elder oldest / eldest,1. good 2. comfortable 3. big 4. happy 5. cheap 6. many 7.

3、difficult 8. little,better best,more most ,bigger biggest,happier happiest,cheaper cheapest,more most,more most ,less least,写出下列单词的比较级和最高级,造句练习 1.世界上最高的山峰是什么？（high） 2.尼罗河是世界上最长的河流。（long） 3.中国是世界上最古老的国家之一。（old） 4.大象比熊猫大。（big）,What is the highest mountain in the world?,The Nail is the longest river in

4、 the world.,China is one of the oldest counties in the world.,Elephant is bigger than panda.,Do you like animals? What animals do you like? Can you describe these animals to us?,Lead-in,Elephant 大象,Huge Smart Strong Fat Friendly,Baby panda 熊猫宝宝,Baby panda is much smaller than adult panda.,Panda 熊猫 C

5、ute Fat Lovely Black and white,Pandas like eating banbooms.,New words Weigh v.重量是. Birth n.出生 At birth 出生时 Up to 到达、至多有 Adult adj.成年的 n.成人 Bamboo n.竹子,1a. Compare facts about these two animals. Use the language in the box to help you make sentences.,Example sentence: This elephant weighs many times

6、more than (倍数)this panda. (200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more),1.cmtaller/shorterthan He is 10cm taller than me. 2.much/even/alittle+比较级 he is much taller than me. 3timesmorethan(比多几倍) He is two times taller than the baby.,This elephant is 200 cm tal

7、ler than this panda. This panda eats much less than this elephant. This elephant eats many times more than this panda. The panda weighs much less than the elephant.,1b. Listen and check () the numbers you hear.,100 one hundred 16 sixteen 20 twenty 50 fifty 120 one hundred and twenty 0.1 zero point o

8、ne 0.2 zero point two 150 one hundred and fifty,1b. Listen and check () the numbers you hear.,_100 _ 16 _ 20 _ 50 _ 120 _ 0.1 _ 0.2 _ 150,1. At birth, a baby panda is about _to _ kilos. 2. At birth, a baby panda is about _ cm long. 3. A baby panda is not black. It is _ and it has no _. 4. A panda ca

9、n live up to _to _ years.,1c. Listen again and complete the sentences.,pink,0.2,15,0.1,teeth,20,30,根据听力材料回答下列问题： 1.What color is a baby panda? Can it see? 2.Do baby pandas have teeth? 3.How long is a baby panda and an adult panda? 4.How long can pandas live?,A baby panda is pink,and it cannot see.,No, they dont have teeth.,A baby panda is 15cm long and an adult panda is 150cm long.,They can live up to 20 to 30 years.,1d. Take turns telling your classmates about pandas.,Such as: A: A baby panda cannot see. B: An adult panda weighs many times more than a baby panda.,Herearesom