(
课件网) 人教新目标版 八年级(下) Unit 7 What's the highest mountain in the world Period 5 SectionB 3a-Self check 写作课优质课 Presentation Learning aims 1. 掌握下列词汇：wale; oil; protection; huge; water pollution; be protected; in danger. 掌握句型：Why do some of them have to be protected How can we protect them We should protect whales from being killed. 2. 通过阅读3a中关于鲸鱼的句子，能够正确地回答3a中的问题，能够 正确说出鲸鱼的外貌、生存地方、吃什么、能够做什么、为什么要 护他们、以及怎样保护他们。能正确运用3a中所给信息并根据3b呈 的框架进行写作练习，对鯨鱼的生活习性及生存现状等进行描述并 述自己的观点。为保护鲸鱼制作一张海报。 3.通过对形容词和副词比较级及最高级的复习现固,能独立完成一篇 关鯨鱼的说明性短文。 4. 通过对濒危动物现状的了解,増强保护动物,保护环境,保护自然的意识。 Presentation New words Pre-writing Listen and repeat whale n. 鲸 oil n.油；食 用油；石油 protection n. 保护；保卫 protect v. 保护；保卫 huge adj. 巨大的； 极多的 Presentation Warming up Pre-writing Look and guess Can you guess what the animal is They are huge animals. They are the biggest animals in the world. They live in the sea. They can sing songs. They can jump high out of water. They are very clever and also very friendly. They are whales. huge adj. 巨大的；极多的 What are they Presentation Learning aims Let’s enjoy a video about the whales. Pre-reading Watch and answer 鲸鱼知多少 鲸的体型是世界上存在的动物中最大的,它是终生生活在水中的哺乳动物,对水的依赖程度很大。鲸形状像鱼,鼻孔在头的上部,用肺呼吸。它体长可达三十米,是现在世界上最大的动物。 鯨为适应水中生活,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—抹香鲸能澘至干米以下,并在水中持续243175时之久。 Presentation Reading Pre-reading Read and put 3a Read the following words and phrases about whales. Put them in the correct place in the chart. What do they look like Where do they live What do they eat What can they do Why do some of them have to be protected How can we protect them 1. Humans catch whales for meat, fat and oil 2 Eat small fish and other sea life 3. Jump high out of the water 4. Rules on whale protection 5. Huge 6. Water pollution 7. Live in the sea 8. Some kinds have teeth 9. Learn more about whales 10. Stop putting rubbish into the sea 11.Sing song 12. Whale parts sold to make things like candles and soap protection n.保护；保卫 protect v.保护； be protected …被保护 Presentation Presentation Pre-reading Look and say What do they look like Where do they live What do they eat？ What can they do？ 5. Huge 8. Some kinds have teeth. 7. Live in the sea. 2. Eat small fish and other sea life. 3. Jump high out of water. 11. Sing songs. basic information (基本信息) 3a Presentation Presentation Pre-reading Look and say 3a However,the number of whales decreases(减少) rapidly every year. Please look at the pictures below: Help ！ ... ...
