Unit 7 What's the highest mountain in the world？(Period 4)Section B (1a-1d)课件2023-2024学年人教版八年级英语下册

Section B (1a-1d) Unit 7 What’s the highest mountain in the world? (Period 4) Free talk What’s your favorite animal? dog cat rabbit bird monkey panda dolphin giraffe elephant koala 2 Can you guess what my favorite animal is? Guessing game  It is very huge.  It has two big ears.  It has a long nose. 3 Can you guess what my favorite animal is? Guessing game  It is very cute.  It is from China.  It is black and white. cm (=centimeter/centimeter) weight birth at birth up to adult 厘米 v. 重量是……；称……的重量 n. 出生；诞生 出生时 到达（某数量、程度等）；至多有；不多于 adj. 成年的；成人的 n. 成人；成年动物 Make sentences to describe the elephant and the panda. Look and say Elephant - is 350 cm tall - weighs 5,000 kilos - eats 150 kilos of food a day This elephant is 350 cm tall. It weighs 5,000 kilos and eats 150 kilos of food a day. Make sentences to describe the elephant and the panda. Look and say Panda - is 150 cm tall (standing on two legs) - weighs 100 kilos - eats 10 kilos of food a day This panda is 150 cm tall when it is standing on two legs. It weighs 100 kilos and eats 10 kilos of food a day. Compare facts about these two animals. Use the language in the box to help you make sentences. 1a Elephant - is 350 cm tall - weighs 5,000 kilos - eats 150 kilos of food a day Panda - is 150 cm tall (standing on two legs) - weighs 100 kilos - eats 10 kilos of food a day 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) Compare facts about these two animals. Use the language in the box to help you make sentences. 1a This elephant is 200 cm ______ ______ this panda. This panda is 200 cm ______ ______ this elephant. 150 cm tall 350 cm tall VS taller than shorter than Compare facts about these two animals. Use the language in the box to help you make sentences. 1a This elephant weighs ______ ______ than this panda. This panda weighs______ ______ than this elephant. 100 kilos 5,000 kilos VS much more much less Compare facts about these two animals. Use the language in the box to help you make sentences. 1a This elephant eats ______ ______ than this panda. This panda eats ______ ______ ______ than this elephant. 10 kilos of food a day 150 kilos of food a day VS much more many times less Read the following numbers. one hundred sixteen 100 twenty 16 20 50 fifty one hundred and twenty zero point one 120 zero point two 0.1 0.2 150 one hundred and fifty Listen and check (✓) the numbers you hear. 1b _____ 100 _____ 16 _____ 20 _____ 50 _____ 120 _____ 0.1 _____ 0.2 _____ 150 播放教材1b音频 ✓ ✓ ✓ ✓ ✓ 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. Listen again and complete the sentences. 1c 播放教材1c音频 pink 0.2 15 0.1 teeth 20 30 Listen again and complete the table. Baby pandas Adult pandas Weight Length Color Others about 0.1 to 0.2 kilos about 100 kilos about 150 cm 播放教材1c音频 about 15 cm pink black and white can’t see, has no teeth live up to 20 to 30 years 15 Teacher: Do you have any questions about baby pandas? Boy 1: Are they much smaller than 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 many times more than a baby. Teacher: That’s right. And the adult pandas weigh around 100 kilos. Boy 2: What about the size of a baby panda? How small is it? 播放教材1c音频 Listen and read. 播放教材1c音频 Listen and read. Teacher: At birth, it’s only around 15 cm long, but an adult panda is around 150 cm long. Girl: Is a baby panda also black and white? Teacher: No, you would never guess! A baby panda is pink and it cannot see. It also doesn’t have any teeth. Girl: How long can pandas live? Teacher: They can live up to 20 to 30 years. Pair work Try to make cards for the adult panda and the baby panda. You can use the cards in 1a as examples. Then work in pairs and compare the adult panda with the baby panda. Take turns telling your classmates about pandas. 1d A: A baby panda cannot see. B: An adult panda weighs many times more than a baby panda. 1．weighs 5,000 kilos 重达5 000千克 weigh 动词，意为“重量是……；称……的重量”。 e.g. How much did you weigh last time? 你上次体重是多少？ Weigh this package for me, please. 请给我称一下这个包裹。 e.g. It is about 20 kilos in weight. 这东西重约20千克。 My mother is trying to lose weight. 我妈妈正在努力减肥。 拓展 weigh 的名词形式为 weight，意为“重量”，是不可数名词。常用短语：put on weight 意为“增重”；lose weight 意为“减肥”。 20 2．This elephant weighs many times more than this panda. 这头大象比这只熊猫重许多倍。 many times more than 意为“比……许多倍”，是倍数的表达方式之一。其中，time 用作可数名词，表示“倍数”。 e.g. This building is three times taller than that one. 这座楼比那座楼高三倍。 注意 表示“两倍”用 twice，表示“三倍及以上”则用“基数词+ times”。 21 2．This elephant weighs many times more than this panda. 这头大象比这只熊猫重许多倍。 英语中常用的倍数表达法 归纳 ①“A+谓语动词+倍数+形容词/副词的比较级+than+B”表示“A比B……多少倍”。 e.g. He runs three times faster than his brother. 他跑得比他弟弟快三倍。 ②“A+谓语动词+倍数+as+形容词/副词的原级+as+B”表示“A是B的多少倍……”。 e.g. His father is twice as tall as he. 他父亲的身高是他的两倍。 22 2．This elephant weighs many times more than this panda. 这头大象比这只熊猫重许多倍。 英语中常用的倍数表达法 归纳 ③“A+谓语动词+倍数+the height/weight/length/size ...+of+B”表示“A的高度/重量/长度/大小……是B的多少倍”。 e.g. This hill is four times the height of that small one. 这座山的高度是那座小山的四倍。 23 3．At birth, a baby panda is about 0.1 to 0.2 kilos. 出生时，熊猫幼崽大约0.1到0.2千克。 at birth 意为“出生时”，在句中常作时间状语，相当于时间状语从句“when ... was/were born”。其中，birth 用作不可数名词，意为“出生；诞生”。 e.g. At birth, most babies weigh between 6 and 8 pounds. =Most babies weigh between 6 and 8 pounds when they were born. 大多数婴儿出生时的体重在6到8磅之间。 24 4．A panda can live up to 20 to 30 years. 熊猫能活20到30年。 up to 意为“到达；至多有；不多于”，常用于数词之前，表示达到某种程度或某一数量，相当于 as far as。 e.g. Our football team played up to its best last night. 我们的足球队昨晚发挥出了最高水平。 There are up to 2,000 students in our school. 我们学校有多达两千名学生。 25 cm、weight、birth、at birth、up to、adult 词汇 This elephant weighs many times more than this panda. 表达事物之间的倍数关系 ·When they’re born, they only weigh about 0.1 to 0.2 kilos. ·At birth, it’s only around 15 cm long, but an adult panda is around 150 cm long. ·A panda can live up to 20 to 30 years. 描述动物 26 Find out some facts about 3 other animals, and make comparisons among them. $$