Unit 4 Fun with science Grammar and composition 课件-2025-2026学年高中英语译林版选修第一册

牛津译林版高中英语学程一课件 Unit 4 Fun with science Grammar and composition Page 48-49 Subjunctive mood (II):other cases 制作者：桂东一中李宇平 内容分析 本板块围绕单元话题，引导我们在有关“发现雪花秘密” 的语篇中，观察、探究虚拟语气除虚拟条件句以外其他用法的 使用情况，自主归纳其核心规则；再通过单句、语篇两个层面 的巩固练习，内化新知；最后运用所学，准确、恰当、得体地 使用目标语法，完成关于雪花的对话任务，使语法知识的运用 和话题意义相结合，实现“形式一意义一使用”三者的统一。 教学目标 By the end of this section,we will be able to: 1.identify the use of other cases of the subjunctive mood; 2.work out the rules of other cases of the subjunctive mood; 3.use the subjunctive mood to finish the tasks of correcting mistakes and completing an article; 4.make a conversation about snowflakes using the subjunctive mood. snow-flake/'snauflerk/雪花，雪片 A.Exploring the rules Below is a story from a popular science magazine about Wilson Bentley,the "Snowflake Man".Find the sentences that use the subjunctive mood and fill in the box below. The first one has been done for you. Wilson Bentley/wIlsn'bentli/威尔逊本特利（美国气象 学家，世界上第一张雪花照片的拍摄者) the "Snowflake Man"/'snauflerk/"雪花人"指威尔逊本 特利 1)It is important that he be remembered for revolutionizing our understanding of these amazing crystal structures. 2)He wished that he could capture their beauty on film. 3)After many failed attempts,he attached his camera to a microscope and set up his equipment outside, otherwise the snowflakes would have melted quickly. 4)Through many years of trial and error,he explored the secrets hidden from human eyes,as though he were digging up buried treasure. 5)But for Bentley's tireless work,we would not know that every single snowflake is unique. We might all know the saying "no two snowflakes are alike",but how many of us have heard of the "Snowflake Man",Wilson Bentley,the person who actually made this discovery?It is important that he be remembered for revolutionizing our understanding of these amazing crystal structures. Born in the snowy US state of Vermont in 1865,Bentley developed a strong fascination with snowflakes. Vermont/va'mont/佛蒙特州（美国州州名） fascination(for/with sb/sth/,fesr'nezn/入迷；着迷 He wished that he could capture their beauty on film. However,creating photos with fine details of each individual snowflake was by no means easy.After many failed attempts,he attached his camera to a microscope and set up his equipment outside,otherwise the snowflakes would have melted quickly. capture sb/sth on film/tape/canvas,etc.拍摄录制绘制 fim胶片，胶卷，：底片fine难以看出的，：很难描述的 by no means.绝不一点也不 failed失败的不成功的 set sth up安装好，装配好，凋试好（设备或机器） He worked in the freezing cold for hours at a time, carefully handling each snowflake with a feather,and photographing it with a 90-second exposure.Triumph was his when,in 1885,he successfully captured the world's first image of a single snowflake! at a time每次，逐一，依次 exposure曝光时间 triumph/'traramf//巨大成功重大成就伟大胜利巨大成 功或胜利物心满意足喜悦狂喜 Over the decades,Bentley photographed more than 5,000 snowflakes.Through many years of trial and error,he explored the secrets hidden from human eyes,as though he were digging up buried treasure.Eventually he discovered that no two snowflakes are ever exactly the same. trial and error反复试险，：不断摸索 dig sth up发现，：搜集；查明=unearth,;掘起，：挖掘出