Unit 7 Section B 1a-1d 课件 2023-2024学年人教版英语八年级下册

Unit 7 What’s the highest mountain in the world? Section B 1a-1d weigh v.称重 New words and phrases cm(=centimeter) 厘米 Presentation adult n. 成人 adj. 成年的 birth v. 出生；诞生 at birth 出生时 1a Compare facts about these two animals. Use the language in the box to help you make sentences. Free talk 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 sentences: 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) My sentences: This elephant is 200 cm taller than this panda. This panda eats much less than this elephant. 1b Listen and check (√) the numbers you hear. _____100 _____16 _____20 _____50 _____120 _____0.1 _____0.2 _____ 150 √ √ √ √ √ Tips-key words 1c 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. 0.1 0.2 15 pink teeth 20 30 出生时 活到 Tips-key words 1d Take turns telling your classmates about pandas. A: A baby panda cannot see. B: An adult panda weighs many times more than a baby panda. C: A baby is pink. D: An adult panda is about 150 cm long. baby幼儿—babies adult 1.n. 成年人 2.adj. 成年的 Language points 1．This elephant weighs many times more than this panda.　 (1)weigh在此作不及物动词，意为“重……；重量为……”，其名词形式为weight(重量)。对重量进行提问用What do/does sth.weigh？/What's the weight of...？/How heavy is...？ 例：What's the weight of the box？这个箱子有多重？ 拓展 weigh还可作及物动词，意为“称重，称……的重量；权衡” 名词weight 重量， overweight 超重 lose weight 减肥。 (2)这是一个含比较级的句子，表示“某物是某物的……倍……(大/重/长等)”。 其句型结构为：sth. is＋倍数＋比较级＋than... 注意 本句中的time是可数名词，意为“倍数”。 常见倍数的表达法： A is +倍数+比较级+ than+ B “A比B……多少倍” A is +倍数+ as + adj.+as B “A是B的多少倍……”。 本句还可改写成：This elephant