人教版(新教材)高中英语选修2Unit 1 Science and Scientists精品学案:Listening and Speaking.docx

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1、Listening and Speaking先听后说主题深化先听后说主题深化听说一体突破Step 1Step 1Pre-listening1 .Translate the following words and phrases.cast v.投射,投掷shadow n.阴影,影子rainbow n.彩虹 pour v.倒出,一倾斜concrete n. 混凝土 reflect v. 反射effective adj.有效的 giant adj.巨大的fluid n.流体 phenomenon n.现象2.Brainstorming: Have you taken part in the foll

2、owing activities?The answer is open.Step 2While-listeningFinish Ex.3 & Ex.4 on Page 6.Step 3 Post-listeningSpeaking-Finish Ex.5 &Ex.6 &Ex.7.语言知识积累谈论科学现象(D.can/cannot exist in the form of a solid/gas/liquid is both a.and a.at the same time.how light/sound is reflected.This occurs when.If you.it will

3、become.That demonstrates.This experiment/research shows.Through this, we know that.We can prove that.This evidence proves.学习策略形成利用图片进行预测利用所提供的图片和你已有的知识,你可以猜出你应该听的信息的种类。有时, 你甚至能准确地猜到将要谈论什么。这将帮助你在听的时候更好地集中注意力, 使你的听力更有效。Step |4| Language focusLfocus近.&训.集中注意;调整焦点或焦距.焦点,中心What kind of place is it, and w

4、hat does it focus on?(教材 P6)它是一个什么样的地方,它的重点是什么?K合作探究U体会focus的用法和意义I am so tired that I cant focus on anything today.我今天太累了,集中不了精力做任何事。He focused his blue eyes on her.他那蓝色的眼睛注视着她。K自主发现Rfocus on专注于focus ones attention/mind/eyes on.集中某人注意力/眼神于K词块积累1in focus清晰的;焦距对准的out of focus模糊的,不清楚的;焦距没有对准的K巩固内化X单句语

5、法填空/同义句转换The government will focus more attention on the peoples livelihood (民生)in the following several years.All eyes were focused (focus) on the speaker.The childrens faces are badly out of focus in the photograph.We must focus our attention on urgent (紧,急的)problems.(变 为被动语态)一Our attention must b

6、e focused on urgent problems.2.cast M.(cast, cast)投下;投以(笑容 视线);投射(光 影子);扔;抛.and it casts different shadows of you.(教材 P6)它投射出你不同的影子K合作探究U体会cast的用法和意义Her fathers illness cast a shadow over/on her wedding ceremony.她父亲的病给她的婚礼投下了阴影。She was much cast down when she failed to be admitted into the universit

7、y.当她没有被大学录取时,她非常沮丧。K自主发现Ucast a shadow/cloud on/over sth 给投下一层阴影castdown使垂下;使沮丧K词块积累Ucast sb into prison 把某人投入监狱cast a look/glance at sb/sth 向看眼K巩固内化U介词填空/补全句子The flames cast dancing shadows on/over the walls.She cast a glance at me and left in a hurry.He was cast down (沮丧)for several days after he

8、heard his football team was defeated.He was said to have been cast into prison (被与殳入监狱).3.shadow/z.阴影,影子;阴暗处.and it casts different shadows of you.(教材 P6)它投射出你不同的影子K合作探究U体会shadow的用法和意义His fathers sudden death in the accident cast a shadow on him.他父亲在事故中突然死亡给他的心灵蒙上了一层阴影。These people have been living

9、for years under the shadow of fear. 这些人多年来一直生活在恐惧的阴影中。He turned away from her, his face in shadow.他扭过头去背着她,脸在暗处。cast a shadow on.给投下阴影under the shadow of. 在的阴影中in shadow在阴暗处K巩固内化U补全句子The tree threw a long shadow in the moonlight.月光下,那棵树投下长长的影子。Europe has lived, for several years now, under the shadow of the so-called mad cow disease.现在,欧洲已经被所谓的“疯牛病”的阴影笼罩了好几年。

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