Unit 4 课时5 Section B（Vocabulary in Use）（情境教学课件）英语新教材人教版八年级下册

你也不上。You can go or you can go and we can get. Best song西不知道。sho. Sometimes it's. This . on. 啦啦啦啦。 But ms . up my. The Wonders of Nature Unit 4 课型：词汇课 课时：Vocabulary in Use Section B Why do we explore nature? 能够梳理本单元中出现的反义词，掌握利用反义词对照的方法理解和记忆单词的策略；能够掌握“How +adj. / adv.”结构，并学会使用该结构询问数量、频率、速度等（学习理解） 01 能够通过语篇练习词汇，并通过大数字和形容词的比较级别了解贝加尔湖；创造性地运用词汇进行细节描写和提问，完成一段介绍性短文，提升用英语描述自然奇观的准确性与丰富性。（迁移创新） 03 能够结合本单元主题，按照自然奇观、地貌特征、描述性形容词和副词、人类探索自然的活动等语义类别梳理单元话题词汇。（应用实践） 02 教学目标 01 Lead-in Let’s watch and sing! 02 Presentation Match the words on the left with their opposites on the right. 2a ____ 1. below ____ 2. common ____ 3. low ____ 4. dead A. safe B. bottom C. southern D. above ____ 5. top ____ 6. northern ____ 7. risky ____ 8. survive E. unusual F. living G. high H. die Fill in the blanks with the proper words in 2a. It is ______ to wait for the traffic light to turn green, but it is ______ to walk across the road without looking. Seeing a cat in the street is very ________, but seeing a wild tiger there is ________. The kite is ______ the clouds, and the bridge is _______ the river. Without food and water, plants cannot _______; they will ______. safe risky common unusual above below survive die noun verb adj. adv. What other opposites do you know? Can you add more? Opposites failure ➡️ success risk ➡️ safety shut ➡️ open harm ➡️ protect remain ➡️ change relaxed ➡️ stressed sadly ➡️ happily lastly ➡️ firstly Let’s learn and fill in the blanks. How far is it from your home to school? How heavy is a blue whale? How large is your country? How often do you exercise? How ______ do you brush your teeth every day? How ______ is your school bag? How ______ can you run 100 metres? How ______ is the river near your house? How ______ is the zoo from here? often heavy fast deep far Let’s learn. 疑问副词 用法·含义 how often how far how heavy how large how high how long how deep how fast 询问频率；多久一次 询问距离；多远 询问重量；多重 询问尺寸/面积/规模；多大 询问高度；多高 询问长度/时间；多长/多久 询问深度；多深 询问速度；多快 03 Practice Read the examples and make more sentences using how and the words in the box. 2b long high deep old fast soon 1. _____________________________ 2. _____________________________ 3. _____________________________ 4. _____________________________ 5. _____________________________ 6. _____________________________ How far is it from your home to school? How heavy is a blue whale? How large is your country? How often do you exercise? How long is the Great Wall? How high is Mount Qomolangma? How deep is that river? How old is the castle? How fast can a cheetah run? How soon will you finish your homework? 询问将来的时间；多久之后 Do you know what the natural wonder is? Lake Baikal 贝加尔湖 Let’s watch! Complete the passage with the correct forms of the words in the box. 2c deep survive wonderful surface dive Located in Siberia, Russia, Lake Baikal is one of the world’s most famous lakes. It is the ________ freshwater lake in the world. To reach the bottom, you must ______ 1,620 metres! It is also larger than most other lakes. Its ________ covers 31,500 square kilometres. That is bigger than the country of Belgium! Lake Baikal is cold most of the year. But over 1,200 different types of animals can still ________ in this environment. Today, the lake still attracts many curious travellers. After all, it is a great natural ________! deepest dive surface survive wonder Discuss the questions. 1. What did the passage compare Lake Baikal with? Why? It compared Lake Baikal with the country of Belgium. 2. Why do you think many travellers visit Lake Baikal? Because it is one of the world’s most famous lakes, the deepest freshwater lake on Earth, and a great natural wonder. Its huge size, unique environment, and rich wildlife attract curious travelers. Because the surface area of Lake Baikal (31,500 square kilometres) is larger than Belgium, to show how large and amazing the lake is. 04 Production A: How deep is Lake Baikal? B: It is 1,620 metres deep. A: How large is Lake Baikal? B: Its surface covers 31,500 square kilometres. It is 1,620 metres deep. How deep is Lake Baikal? Let’s talk! 05 Exercises 用单词的适当形式填空。 1. This national park is famous for its ________ (nature) beauty. There are mountains, lakes, and forests everywhere. 2. The new library is _______ (locate) in the centre of the campus, next to the teaching building. 3. The volume (体积) of this Water Cube is about 98,000 _______ (cube) metres. 4. Crossing the desert alone is a _______ (risk) attempt (尝试). 5. There are many beautiful beaches in the _________ (south) part of the country. 6. This national park is famous for its ________ (nature) beauty. There are mountains, lakes, and forests everywhere. cubic southern natural located risky natural 根据汉语提示完成句子。 1. 经过长时间的攀登，他们终于到达了山顶。 They finally ________ ______ _____ of the mountain after a long climb. 2. 汤姆对这台机器的工作原理很好奇。 Tom _____ ________ ________ how the machine works. 3. 坐落于湖南湘西土家族苗族自治州，凤凰古城是一座历史悠久的古镇。 _________ _____ Tujia-Miao Autonomous Prefecture of Xiangxi, Hunan, the Ancient Town of Fenghuang is a historic town with a long history. 4. 这座山不是最高的，但海拔有1860米。 This mountain isn’t the highest, but it’s 1,860 metres _______ _____ ________. 5.位于新疆北部的城市阿勒泰吸引了人们的目光。 Altay, a city in northern Xinjiang, _______ _________ __________. Located in above sea level reached the top is curious about attract people’s attention 06 Homework 1. Memorize the new words and phrases. 2. Practice the conversations with your partner using the sentence patterns we have learned . 3. Finish the exercises. Homework Thanks! 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