unit 3 Discover useful structures---高中英语人教版（2019）选择性必修第一册.pptx

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1、动词动词-ing形式作主语形式作主语Learning aims1.Learn V-ing form used as subject in context.2.Get more information about the theme and get better understanding about it.Discussion活动一：感知与注意活动一：感知与注意Have you ever seen these signs?-ing forms Identify活动一：感知与注意活动一：感知与注意Identify the function of the-ing form in the sente

2、nce below.Getting here is quite difficult.Being in such a beautiful and wild place makes me feel blesses to be alive.（作主语作主语）（作主语作主语）情境学习情境学习活动活动二二：获取与梳理获取与梳理 1.is his hobby.(读书读书)Reading 情境学习情境学习活动活动二二：获取与梳理获取与梳理2.is a waste of time.(玩电脑游戏玩电脑游戏)Playing computer games 情境学习情境学习活动活动二二：获取与梳理获取与梳理3.is d

3、angerous.(开车开得太快开车开得太快)Driving too fast 情境学习情境学习活动活动二二：获取与梳理获取与梳理4.(打篮球打篮球)Playing basketball makes me happy.情境学习情境学习活动活动二二：获取与梳理获取与梳理4.is bad for your health.(吸烟吸烟)Smoking.情境学习情境学习活动活动二二：获取与梳理获取与梳理5.is a good way to relax.(旅游旅游)Travelling.情境学习情境学习活动活动二二：获取与梳理获取与梳理6.can bring you into different worl

4、d.(参观主题公园参观主题公园)Visiting theme parks 活动活动三三：概括与整合概括与整合1.How many hours a day does the sun shine in summer in Sarek?2.What steps has the Swedish government taken to keep Sarek in its natural state?3.How has life changed for the Sam?Why might so few Sami want to live in Sarek?4.Why does the writer thi

5、nk the sweat and hard work is worth it?5.Would you like to visit Sarek?Why or why not?Discuss the questions Whats in common?Dancing is their hobby.Doing exercise is a good way to lose weight.Driving too fast is dangerous.1.作主语。作主语。2.谓语动词用谓语动词用 。动词动词-ing单数单数活动活动三三：概括与整合概括与整合 动名词做主语往往表示动名词做主语往往表示经常性、习

6、惯性经常性、习惯性的动作。的动作。Singing is my hobby,and to sing on my friends birthday party is my dream.唱歌是我的爱好，在朋友的生日宴会上唱歌是我的梦想。活动活动三三：概括与整合概括与整合 1.动名词作主语用法动名词作主语用法2.不定式作主语用法不定式作主语用法不定式则通常表示不定式则通常表示具体具体的动作的动作(指句中有具体的时间、频率、地点、方式状语）Reading is my hobby.活动活动四四：描述与阐述描述与阐述 1.Rewrite each of the following sentences usi

7、ng the-ing form as the subject.（SB P29 Part 2）1.Studying abroad is both challenging and rewarding.2.Going on a hiking tour in Sarek in winter due to the extreme cold would hardly be possible.3.Honestly,exploring a vast unknown land can be both exciting and terrifying.4.Adopting a positive attitude i

8、s good,even when things are difficult.5.Hiring local guides is strongly advised because they can offer accurate knowledge of Sarek culture and history.2.Discuss:How does the sentence focus change.活动活动五五：内化与运用（：内化与运用（Complete）（）（SB P29 Part 3）Fill in the blanks using the-ing form of a verb from the b

9、ox and state its function.Suggested answers:Xixi National Wetland Park,square kilometres in western Hangzhou,is thefirst national wetland park in China.city life,nature,and wellands makes the park a popular destination both for tourists and local residents.At Xixi a boat tour along paths,and local c

10、ustoms and traditions of the villages in this park are at the top of the list of peoples favourite activities.With trees,bushes,and colourful flowers along the riversides,the park shows different sides of beauty in different seasons.In order to better develop as well as preserve this place human imp

11、act on Xixi Wetland.was considered by the park designers.All thenew buildings were designed in a traditional wayto fit into the natural environment.This greenwatery world is home to many birds and fishes.With trees in the shallows,the wetland is a natural system for providing cleanwater and producin

12、g oxygen,which makes it theareen lungs of Hangzhou.coveringcombining takingwalking experiencinggrowinglimiting growing活动六：活动六：想象与创造（想象与创造（Creative Thinking）Writing.Choose a place in your city or town as a destination for a school trip.Use the passage above as an example and write about your choice.活

13、动六：活动六：想象与创造（想象与创造（Creative Thinking）Suggested answers:Huoshizhai National Geopark，lying in the mountainous region in northwest Chinas Ningxia Hui Autonomous Region,is called the Colorado，the Grand Canyon in China.Huoshizhai is famous for its unique Danxia landform.Danxia,which means rosy cloud,is a

14、 kind of special landform formed from reddish sandstone during the past one hundred million years.With the unusual rock formations attracting our eyes,you will feel the power of the nature and learn more about the geologic development of the northwestern China.Seeing the reddish sandstone mountains

15、surrounded by curvaceous cliffs makes you feel the special beauty presented to us by the nature.Enjoying the life far away from city gives people a kind of relaxation and refreshment.Smelling the fragrance of lilac along the paths in spring and breathing the fresh air are great pleasure.At Huoshizha

16、i,walking in the valleys surrounded by steep sandstone mountains,climbing the reddish sandstone mountains,appreciating thousands of stone caves dating back to Beiwei Dynasty are at the top of choices of people visiting here.Homewok1.Revise the V-ing form used as subject.2.Choose a place in your city or town as a destination for a school trip.Use the passage above as an example and write about your choice.