Unit7 Section B （1a-1d课件2024-2025学年 人教版八年级英语下册

Unit 7 What's the highest mountain in the world？ Section B （1a-1d） 1 2 3 listen to the important numbers and facts，master some expressions to talk about animals; （学习理解） use comparative（比较级） to compare facts about elephants and pandas;（应用实践） explore the reason for protecting animals and form a sense of animal protection.（迁移创新） After class, we will be able to : Task 1 A good keeper is sharp with numbers. （对...敏锐） 1b 100 16 20 50 120 0.1 0.2 150 one hundred sixteen twenty fifty one hundred and twenty zero point one zero point two one hundred and fifty Before listening, read these numbers first. Listen and check (✓) the numbers you hear. _____100 _____ 16 _____ 20 _____ 50 _____ 120 _____ 0.1 _____ 0.2 _____ 150 1b Listen again and complete the sentences. 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 can live up to _____to _____ years. Tips：Find out the key words first. 1c 出生时= when it was born 活到......岁 weight length color life span （寿命） Listen again and complete the sentences. 1c 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 can live up to _____to _____ years. pink 0.2 15 0.1 teeth 20 30 Teacher：Do you have any questions about baby pandas? Boy 1： Are they ______ _________ ______an adult panda? Teacher：Yes. When they’re born, they only weigh about 0.1 to 0.2 kilos. Boy 1： Wow, that’s small! I know an adult panda weighs ______ _____ _____ _____ a baby. Teacher：That’s right. And the adult pandas weigh around100 kilos. Boy 2： What about ___ ____ ___a baby panda? How small is it? Teacher：____ _____, it’s only around 15 cm long, but an adult panda is around 150 cm long. Girl 1： Is a baby panda also______ _____ ______? Teacher：No, you would never guess! A baby panda is pink and it cannot see. It also doesn’t have any teeth. Girl 1： How long can pandas live? Teacher：They can _____ ____ ____ 20 to 30 years. Listen again and fill in the blanks. much smaller than many times more than the size of At birth black and white live up to Tips：Write down the first letter. 倍数的表达 1. An adult panda weighs many times more than a baby panda. many times more than意为___________________ time 意为“倍数,次数”时，是___________(可数/不可数)名词。 一倍_______ ; 两倍________; 三倍及以上_____________ once twice 比……多很多倍 The adult panda is longer than the baby panda. an adult panda around 150 cm long a baby panda around 15 cm long 可数 基数词+ times A+谓+倍数+形容词/副词的比较级+than+B （A比B .... 多少倍） A+谓+倍数+as+形容词/副词+as+B （A的 ... 是B的多少倍） A+谓+倍数+the height/length/weight/size... of+B （A的高度/长度/重量/大小...是B的多少倍） The adult panda is many times longer than the baby panda. The adult panda is ten times as long as the baby panda. The adult panda is ten times the length of the baby panda. 倍数可以用以下3种方式表示： (1)A+谓+倍数+形容词/副词的比较级+than+B （A比B .... 多少倍） The hall is _____ ______ _______ than our classroom. 这个大厅比我们的教室大4倍。 (2)A+谓+倍数+as+形容词/副词+as+B （A的 ... 是B的多少倍） Asia is four times ____________ Europe. 亚洲的面积是欧洲的四倍。 (3)A+谓+倍数+the height/length/weight/size... of+B （A的高度/长度/重量/大小...是B的多少倍） The hill is four times the _______ of that one.这座小山的高度是那座小山的4倍。 four times bigger as large as height Task 2 A good keeper has the ability to observe carefully. (细心观察) Example sentence: This elephant weighs many times more than this panda. (200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more) Elephant Panda height 350 cm tall 150 cm tall weight 5000 kilos 100 kilos others eats 150 kilos of food a day eats 10 kilos of food a day compare Try to compare these two animals. height weight others This elephant is ___________ than this panda. This panda is _____________ than this elephant. 200 cm taller 200 cm shorter The elephant weighs ______________ the panda. The panda _____________________ the elephant. much more than weighs much less than The elephant _______________________________than the panda. The elephant _______________________________than the panda. The panda _________________________________ the elephant. eats much more eats many times more eats fifteen times as much as height weight others Task 3 A good keeper needs to be patient and love animals. (有耐心) What do they have in common? （共同点） They are endangered animals. （濒危动物） respect protect Protect animals, protect nature and protect ourselves ! Homework Must do: 1.Compare 2 animals you like with the words we have learned today; 2.Preview the passage in Section B 2b. Try to do: Make a poster to protect pandas or elephants. Checklist 自评 师评 Contents Use the Multiple to describe two objects Compare an adult panda with a baby panda（an elephant） Speaking Speak clearly and fluently Activity Take active part in group activities. Excellent Good To be improved 曲目 14 tailuowang 未知唱片集 (2014-1-11 21:35:02), track 6 2014 66846.055 XXX - XXX - 曲目 15 tailuowang 未知唱片集 (2014-1-11 21:35:02), track 7 2014 66297.43 XXX - XXX - ÇúÄ¿ 15 δ֪ÒÕÊõ¼Ò δ֪³ªÆ¬¼¯ (2023/2/6 10:40:31), track 15 δ֪Á÷ÅÉ 68126.18 $$