Unit 7 Section B (3a-Self Check) 课件2022-2023学年人教版八年级英语下册

Section B (3a-Self Check) Unit 7 What’s the highest mountain in the world? To learn to write a short passage about saving whales. To understand the importance of protecing wild animals. To learn new words and expressions: huge, catch... for,protect … from Objectives Retell：How does the writer introduce pandas? Baby pandas Appearance They look cute and lovely. A symbol of China Amount of food Only one baby every two years Babies often die from illnesses. 10 kilos of bamboo a day Number of pandas 300 in zoos 2,000 in the forests Pandas Features of Review Ways to protect them Survival status 生存现状 Can’t find enough food to eat Having fewer babies Teach children about the importance of saving pandas. Scientists are doing research to better understand them. Pandas Retell：How does the writer introduce pandas? Review Guessing Game What are they? whales They can sing songs. They live in the sea. They can jump high out of water. They are very clever and also very friendly. They are the heaviest animals in the world. Do you know? Elephants are the biggest animals on land. What animals do you think are the biggest in the sea? whales Lead in The facts about whales They are huge animals. They live in the sea. They can sing songs. They can jump high out of water. They are very clever and also very friendly. Let’s talk. Some kinds of whales are in danger because … The reason why whales are in danger is that … Work in two and share your ideas. s 8 鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。 鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。 Lead in Let’s brainstorm. 写作策略：使用圆圈图构思 the largest animal eat small fish and other sea life live in the sea jump high out of the water sing songs introduction 10 Let’s brainstorm. humans catch whales whale meat water pollution candles whale oil the causes 11 Read the