Unit 3 Discover useful structures 预习ppt课件 （2019）新人教版高中英语选修一.pptx

1、Unit 3 Fascinating parks Discover useful structure 预习课件预习课件 route n. 路；（公共汽车和列车等的）常规路线；航线；渠道，途径 vt. 按某路线发送；给规定路线次序，程序； 教材原句教材原句 Draw the route that Jack will take. 例句展示例句展示 1. he climbers tried to find a new route to the top of the mountain. 登山者试图寻出一条通到山顶的新路。 核心词汇核心词汇 2. Satellites route data all ov

2、er the globe. 卫星向全球各地传递信息。 cycle v. 骑自行车；骑自行车；n. 循环；自行车循环；自行车 教材原句教材原句 rent a cycle 要点必记要点必记 adj. cyclical周期的，循环的 cyclic 环的；循环的；周期的 n. cycling 骑脚踏车消遣；骑脚踏车兜风 cyclist 骑自行车的人 cyclicity 周期性；循环性 ahead adv. 向前面；提前向前面；提前 教材原句教材原句 go straight ahead 要点必记要点必记 ahead of 在之前 go ahead 前进；进行 forge ahead 继续进行，取得进展

3、ahead of time 提前；提早 ahead of schedule adv. 提前 straight ahead 一直向前；主流爵士乐 get ahead 获得成功；取得进步；走在前面 look ahead预测未来，计划未来 go straight ahead一直往前走 move ahead前进；进行；进展 go ahead with继续进行，继续 push ahead向前推进 appeal v. 向请求; 向投诉 He earnestly appealed to his friends for support.他恳切地向朋友请求支持。 The government is appeal

4、ing to everyone to save water.政府呼吁人人节约用水。 She appealed to a higher court.她向上级法院上诉。 appeal to sth. 诉诸武力；对有吸引力 说明 appeal to不用于进行体和被动结构。 The two disputing countries decided not to appeal to arms. 这两个有争端的国家决定不诉诸武力。 This job rather appeals to me.这工作对我有吸引力。 They appeal to her sense of duty.他们唤起了她的责任感。 inc

5、redible adj. 难以置信的；极好的；极大的难以置信的；极好的；极大的 教材原句教材原句 There is an incredible theme park that will appeal to you. 要点必记要点必记 adv. incredibly 难以置信地；非常地 n. incredibility 不能相信；不可信的事物 动名词做主语动名词做主语 1. 概念: 动名词是在动词的基础上加ing,使该动词或动词短语，有名词的各种特 征，可作名词灵活使用。如： Climbing mountains is really fun. 2. 动名词作主语，谓语动词一般用三单形式 Work

6、ing in these conditions is not a pleasure but a suffer. 在这种工作条件下工作不是一件愉快的事而是一件痛苦的事。 核心句式核心句式: : 3. 用 it 作形式主语，把动名词(真实主语)置于句尾作后置主语。动名词做主语时， 不太常用 it 作先行主语，多见于某些形容词及名词之后。 例如：It is no use telling him not to worry. Unit 3 Fascinating park Discover useful structures 1Review the use of ing form as subject.

7、 Words: rewarding; cycle; route; ahead ; incredible2 Phrases: roller coaster; appeal to3 Goals Look and discuss Lead in Identify the function of the -ing form in the sentences below. Then find more sentences with the -ing form from the reading passage and state their functions. * Getting here is qui

8、te difficult. * Being in such a beautiful and wild place makes me feel blessed to be alive. Learn 动名词做主语动名词做主语 1. 概念概念: 动名词是在动词的基础上加动名词是在动词的基础上加 ing,使该动词或动词短语，有名词的各种特征，可作名词使该动词或动词短语，有名词的各种特征，可作名词 灵活使用。如：灵活使用。如： Reading is an art. 读书是一种艺术。 Climbing mountains is really fun. 爬山真是有趣。 2. 动名词作主语，谓语动词一般用三单

9、形式动名词作主语，谓语动词一般用三单形式 Reading is an art. 读书是一种艺术。 Working in these conditions is not a pleasure but a suffer. 在这种工作条件下工作不是一件愉快的事而是一件痛苦的事。 Learn 3. 动名词作主语的几种类型动名词作主语的几种类型 (1). 直接位于句首做主语。直接位于句首做主语。 例如：Swimming is a good sport in summer. (2). 用用 it 作形式主语，把动名词作形式主语，把动名词(真实主语真实主语)置于句尾作后置主语。动名词做主语时，不太常用置于句

10、尾作后置主语。动名词做主语时，不太常用 it 作先行主语，多见于某些形容词及名词之后。作先行主语，多见于某些形容词及名词之后。 例如：It is no use telling him not to worry. 常见的能用于这种结构的形容词还有：better，wonderful，enjoyable，interesting，foolish， difficult，useless，senseless，worthwhile等。 Learn 2. Rewrite each of the following sentences using the -ing form as the subject. How

11、 does the sentence focus chance? EXAMPLE It is challenging yet really fascinating to hike through the mountains in the pathless Sarek. Hiking through the mountains in the pathless Sarek is challenging yet really fascinating. 1. It is both challenging and rewarding to study abroad. 2. It would hardly

12、 be possible to go on a hiking tour in Sarek in winter due to the extreme cold. 3. Honestly, it can be both exciting and terrifying to explore a vast unknown land. 4. It is good to adopt a positive attitude, even when things are difficult. 5. It is strongly advised to hire local guides, because they

13、 can offer accurate knowledge of Sarek culture and history. Learn Fill in each blank using the ing form of a verb from the box and state its function. One word will be used twice. combine cover grow take limit walk experience Xixi National Wetland Park,_10 square kilometres in western Hangzhou, is t

14、he first national wetland park in China. _ city life, nature, and wetlands makes the park a popular destination both for tourists and local residents. At Xixi, _a boat tour, _along paths, and _ focal customs and traditions of the villages in this park are at the top of the list of peoples favorite a

15、ctivities. 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 impact on Xixi Wetland was considered by the park designers. All the new covering Combining ta

16、king walking experiencing growing limiting Learn buildings were designed in a traditional way to fit into the natural environment. This green, watery world is home to many birds and fishes. With trees _in the shallows, the wetland is a natural system for providing clean water and producing oxygen, w

17、hich makes it the green lungs of Hangzhou”. growing Learn 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. Words: rewarding; cycle; route; ahead ; incredible Summary Phrases: roller coaster; appeal to PhrasesWords 预习 Unit 3 Visit a city park.3 1Recite new words and phrases. 2Write a passage about your favorite park using ing form as subject. Bye-bye!