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) 新课导入 Guessing game Guess what animals they like best. They are cute. They are kind of shy. They are black and white. They like eating bamboo. They are known as the national treasure of China. pandas They are big and heavy. They brown or white. They have large ears and ivory. They have long noses. They are Thailand's symbols. elephants 2 1 能熟悉并正确运用本课时的重点单词和短语 能正确表达倍数和比较程度 3 能通过听说活动，了解大熊猫及其幼崽 学习目标 预习检测 1. Cony's toys are ______ more than Susan's.  A.many time B.many times C.much time D.more time 2. The world's population is growing ______ and there is less land and water for farming.  A.more B.much C.few D.larger 3. My pet dog feels like standing ______ his two legs.  A.in B.by C.on D.of B D C 4. You are not a child but _____ adult.  A.a B.an C./ D.the 5. _____ birth, Lily kept on crying.  A.On B.In C.At D.Of C B 知识梳理 Language points 1.This elephant weighs many times more than this panda. 这只大象比这只大熊猫重很多倍。 weigh既可作及物动词，表“称重”，也可作连系动词，表“有……重”； 对重量提问时，常用句型有：“How much do / does / did + 主语 + weigh?” 或“How heavy be + 主语?”。 其名词形式为weight。常用短语：in weight在体重方面。 e.g. I weighed the box. It weighs 20 kg. 我称了这个盒子，它重20公斤。 The boy weighs 20 kg.＝The boy is 20 kg in weight.这个男孩重20公斤。 2. At birth, a baby panda is about 0.1 to 0.2 kilos. birth v. 出生 at birth 出生时 e.g. Man’s nature at birth is good.人之初，性本善。 give birth to… 生（孩子）；产生 e.g. My aunt gave birth to a beautiful baby girl yesterday. 昨天我婶婶生下一个漂亮的小女孩。 3. A panda can live up to 20 to 30 years. up to 到达（某数量、程度等）；至多有；不多于。其中to为介词， 后接名词作宾语。 e.g. There are up to 2,000 students in our school. 我们学校有多达两千名学生。 The old man can live up to ninety years. 这位老人能活到九十岁。 【注意】：up to还可表示“（体力或智力上）能胜任；适于（做某事）”， 后可接名词或动词作宾语。常用于否定句。 重点探究 倍数和比较程度的表达 大象是现存世界最大的陆栖动物，主要外部特征为柔韧而肌肉发达的长鼻和扇大的耳朵，具缠卷的功能，是象自卫和取食的有力工具。象肩高约2米，体重3～7吨。非洲象耳大，体型较大，体重较重。亚洲象耳小，身体较小，体重较轻。 探究一 属于食肉目、熊科、大熊猫亚科和大熊猫属唯一的哺乳动物，头躯长1.2-1.8米，尾长10-12厘米。体重80-120千克，最重可达180千克，体色