人教版（2019）必修 第二册Unit 3 The internet Discovering Useful Structures学案（含答案）

Unit 3 Section Ⅲ　Discovering Useful Structures 【学习目标】 1.通过对教材的理解,了解重要语言点的基本用法。(语言能力) 2.通过分析教材例句,理解和掌握现在完成时的被动语态的用法。(语言能力) 3.通过导学案的套用,以练促学,巩固内化现在完成时的被动语态的用法,并学以致用。(学习能力) 【合作探究】 新知探究 核 心 单 词 知识点1　function n.功能;作用;机能 vi.起作用;正常工作;运转 *functional adj.实用的;功能的;机能的;运转正常的 (P30)They've built a kind of new PC with more functions.他们开发了一种功能更多的新型个人电脑。 知识拓展 fulfill/perform a function 发挥功能 function as 起……作用;具有……功能 图解释义 This kind of bottle with holes has a number of useful functions.这种带孔的瓶子有许多实用的功能。 融会应用 Ⅰ.单句填空 (1)Compared to the traditional ones, they have three new unique 　　　　(function). (2)The two machines look alike but have many　　　　(function) differences. Ⅱ.单句写作 (3)Although the electricity was cut off, the hospital continued to 　　　　　　　　　　　(正常运转). (4)To put it another way, his advice 　　　　　　　　　　(起……作用) part of the solution. 答案　(1)functions　(2)functional (3)function normally　(4)functions as 知识点2　confirm vt.确认;使确信;证实;证明;批准 *confirmation n.证实;确认书;证明书 (P30)Have you confirmed the Wi-Fi password 你确认Wi-Fi密码了吗 知识拓展 confirm that... 证实…… It has been confirmed that... 已证实…… confirm sb in... 使某人确信…… 经典佳句 The expression on her face confirmed her sadness.她脸上的表情证明了她很难过。 confirm和prove的用法区别: (1)confirm指对已有的观点、说法、预测、猜疑等的真实性或准确性予以证实或确认,它可作及物动词,后接宾语。 Those rumours were later confirmed.那些谣言后来得到了证实。 (2)prove指通过某种手段或方式提供证据以证实或证明某事物真实与否,某结论正确与否等情况,它可作及物动词,后接宾语或宾语从句,还可作连系动词,意为“证明是;被发现是”,后接形容词或名词作表语,常用固定搭配为prove (to be)+形容词/名词。 Sometimes, the choices you have made prove to be wrong.有时候,你的选择可能被证明是错的。 融会应用 　单句填空 (1)So far six people 　　　　(confirm) that they will attend the meeting. (2)The expression on his face confirmed me 　　　　my doubt. (3)So far it 　　　　(confirm) that the meeting will take place next week. 答案　(1)have confirmed　(2)in　(3)has been confirmed 语法探究 现在完成时的被动语态 自主探究 观察下面两组句子,体会现在完成时的被动语态的用法。 Group A We have finished the homework.我们已经完成了家庭作业。 Many visitors have visited the Great Wall.许多游客参观过长城。 Mike has seen two films since last month.从上个月以来,迈克已经看了两部电影。 The Russian government has turned these palaces into museums.俄罗斯政府已经把这些宫殿变成了博物馆。 Group B The homework has been finished by us.家庭作业已经被我们完成了。 The Great Wall has been visited by many visitors.长城被许多游客参观过。 Two films have been seen by Mike since last month.从上个月以来,两部电影被迈克看过了。 These palaces have been turned into museums by the Russian government.这些宫殿已经被俄罗斯政府变成了博物 ... ...