初中英语人教版（2024）八年级下册（2024）Section B公开课课件ppt

这是一份初中英语人教版（2024）八年级下册（2024）Section B公开课课件ppt
Unit 4 The Wonders of NatureSection B（2a-2c）· 学习目标· 新课导入· 内容讲解· 课堂总结· 课后作业1. New words: risky, southern, located, freshwater, type, attract, curious, traveller, natural2. Expressions: one of3. Sentences: ①How large is your country?②Lake Baikal is one of the world's most famous lakes. ③But over 1,200 different types of animals can still survive in this environment. Do you know Mount Tai ?Yes/No ...Did you have a trip to Mount Tai ?Yes/No...Do you know how high it is?Yes, it’s.../No, I don’t know.risky /ˈrɪski/ adj.有危险(或风险)的southern /ˈsʌðən/ adj. 南部的;向南的located /ləʊˈkeɪtɪd/ adj. 位于;坐落在freshwater /ˈfreʃwɔːtə(r)/ adj. 淡水的;淡水中生长的 type /taɪp/ n. 类型;种类attract /əˈtrækt/ v.吸引;招引curious /ˈkjʊəriəs/ adj.好奇的;求知欲强的traveller /ˈtrævələ(r)/ (= traveler)n.旅行者;游客natural /ˈnætʃrəl/ adj.自然的;天然的;天生的Match the words on the left with their opposites on the right.___1. below ___5. top___2. common ___6. northern___3. low ___7. risky___4. dead ___8. survive DA. safe E. unusualB. bottom F. livingC. southern G. highD. above H. die EGFBCAHRead the examples and make more sentences using how and the words in the box.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?long high deep low fast soon1.__________________________ 4.__________________2.__________________________ 5._____________________3.__________________________ 6._______________________How long is the river in your city?How high is the tallest building in your town?How deep is the swimming pool?How old is the book? How fast can a cheetah run?How soon will the movie start?How large “多大” 询问物体的尺寸、范围或规模的大小How long“多长”问长度 / 时间持续多久How deep“多深”问深度How far“多远”问距离How often“多久一次”问频率How soon“多久”问 “多久之后”（将来时）How heavy“多重”提问重量How large is your country?句意：“你的城市多大？”例句：How large is your new apartment? 你的新公寓有多大？ How long is the river? 这条河多长？ How deep is the lake? 这个湖多深？ How far is it from here to the station? 从这到车站有多远？ How often do you swim? 你多久游泳一次？ How soon will you come back? 你多久后回来？ How heavy is the box? 这个箱子有多重？1.—______ do you go to the gym? —Twice a week. A. How long B. How often C. How soon2.根据答语写问句。I have lived in this city for 10 years.→ ___________ have you lived in this city?BHow longComplete the passage with the correct forms of the words in the box.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. deepestdeep survive wonderful surface divedivesurfaceone of “……之一”one of + the +形容词最高级+复数名词 “……中最……之一”one of + 复数名词/代词 “……之一”，强调群体中的某一个成员。▪ 当 one of + 复数名词 作主语时，谓语动词用单数形式（核心词是 one）Lake Baikal is one of the world's most famous lakes.句意：“贝加尔湖是世界上最著名的湖泊之一。”例句：She is one of the most popular singers in the country. 她是这个国家最受欢迎的歌手之一。 This is one of the oldest buildings in our city. 这是我们城市最古老的建筑之一。 One of my friends is a doctor. 我的一个朋友是医生。1.This is one of ______ interesting books I have ever read. A. the more B. most C. the most2.完成句子。Yao Ming is a famous basketball player in the world.（改为one of 结构）→ Yao Ming is ____________________________________________.Cone of the most famous basketball players in the worldComplete the passage with the correct forms of the words in the box.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 _________ !survivewonderdeep survive wonderful surface dive句意：“但超过1200种不同种类的动物仍然能在这个环境中存活。”different types of “不同种类的”，后面跟可数名词复数，或不可数名词different types of + pens different types of + music同义替换：different kinds ofBut over 1,200 different types of animals can still survive in this environment. 例句：My mother collects different types of teacups from all over the world. 我妈妈收集来自世界各地的不同款式的茶杯。 There are different types of clouds that predict different weather conditions. 不同类型的云预示着不同的天气状况。1.Our school library has ________ for students to borrow. A. different type of bookB. different types of book C. different types of booksD. different type of books2.适当形式填空。She enjoys listening to different types of ________ (music).Cmusic Memorize the new words, expressions and sentences in Section B (2a-2c).Finish the exercises of the test paper on the book 5·3.