Unit 3 Section Ⅱ Starting out & Understanding ideas(Ⅱ)-【创新教程】2025-2026学年高中英语选择性必修第四册五维课堂同步课件PPT（外研版）

该高中英语课件聚焦选择性必修第四册Section Ⅱ内容，涵盖核心词汇、重点短语及经典句式，通过“新知点点通”导入词汇，“重点层层析”解析用法，“课后素养提升”巩固应用，构建从输入到输出的学习支架，衔接前后知识脉络。 其亮点在于以语言能力培养为核心，结合教材例句系统讲解词汇（如convey、attract）和句式（as if虚拟语气、so that目的状语从句），通过单句语法填空、佳句仿写等练习提升思维品质与学习能力。实例丰富且贴近教材，助力学生掌握语言运用策略，也为教师提供结构化教学资源，提高课堂效率。

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(2)完成句子 ③As a teacher, he knows exactly how to convey his opinions to the students. 作为老师，他确切地知道如何向他的学生表达他的观点。 2．attract v．吸引；引起注意 (教材P25)In what other areas is China attracting attention around the world? 在哪些其他领域中国正在吸引全世界的注意力？ ◆[佳句感知] 　What attracted me most to the job was the chance to travel abroad. 这份工作最吸引我的地方是有机会出国旅行。 [知识积累] (1)attract one's attention/eyes 吸引某人的注意力/目光 attract sb.to sth.吸引某人关注某事 (2)attractive adj.诱人的，吸引人的 (3)attraction n．有吸引力的事 ◆[学以致用] (1)单句语法填空 ①I think she's a very attractive(attract)woman. ②Attracted(attract)by the beauty of nature，I decided to spend another two days in the village. (2)完成句子 ③If I'm trying to attract someone's attention，should I say“excuse me”or “may I have your attention”？ 如果我要引起某人的注意，我应该说“对不起”还是“请注意”？ ④It is not unusual for teenagers of your generation to be attracted to computer games. 你这一代的青少年被电脑游戏所吸引并不罕见。 3．represent v．代表；象征，描述 (教材P26)Dunhuang's long and glorious history represents its significance as a centre of cultural and commercial exchange. 敦煌悠久而辉煌的历史展现了它作为文化和商业往来中心的重要性。 ◆[佳句感知] 　She represented our class to attend this meeting.她代表我们全班参加了这次会议。 [知识积累] (1)represent sb.as/to be...把某人描述成…… represent sth.to sb.向某人说明某事；向某人传达某事 represent sth./sb.as sth./sb.把……描绘成…… (2)representative adj.有代表性的，典型的 n．代表，代销人 be representative of 是……的代表/典型 (3)representation n．表现，描述；有代理人；代表，支持 ◆[学以致用] (1)单句语法填空 ①Miss Wang has been selected to represent(represent)us on the committee. ②He is represented(represent)as a man of great honour. ③The play represents(represent) to those watching it the inner struggle in a man's mind between duty and doubt. ④Yesterday，another student and I，representing(represent)our university's student association, went to the Capital International Airport to meet this year's international students. ⑤I have the honour to have been sent as their representative(represent)to attend the ceremony. (2)佳句写作 ⑥This is because moon cakes are as round as the full moon，representing family reunion.(现在分词作状语) 这是因为月饼像满月一样圆，代表着家庭团聚。 4．significance n．意义；意思；重要性；重要意义 (教材P26)Dunhuang's long and glorious history represents its significance as a centre of cultural and commercial exchange. 敦煌悠久而辉煌的历史展现了它作为文化和商业往来中心的重要性。 ◆[佳句感知] 　A theory，however good it is，is of no significance without being put into practice. 一个理论无论多好，不实行也是毫无意义的。 [知识积累] (1)be of great significance非常重要；有重大意义 be of no significance 无意义/不重要 be of little significance 不太重要 attach significance to...重视；认为……重要 (2)significant adj.有重大意义的；重要的；显著的 be significant (to)＝be of significance (to)对……来说很重要 ◆[学以致用] (1)单句语法填空 ①In my view，practising handwriting is significant to the students' growth. ②As time goes by，I attach greater significance(significant) to doing what we can to protect our environment. ③This incident is so significant that its significance will never fade away.(significant) (2)完成句子/句式升级 ④(2020·全国卷Ⅱ)Through participating in this picking activity，I have become aware of the significance of labour. 通过参加这次采摘活动，我已意识到了劳动的重要性。 ⑤The decision is very significant to the development of the company. →The decision is of great significance to the development of the company. 5．exchange n．交换；交流vt.交换；交流；交易；兑换 (教材P26)Dunhuang's long and glorious history represents its significance as a centre of cultural and commercial exchange. 敦煌悠久而辉煌的历史展现了它作为文化和商业往来中心的重要性。 ◆[佳句感知] 　It was the first time that I had participated in the exchange student program，which not only broadened my view but also strengthened my confidence. 那是我第一次参加交换生项目，那次经历不仅让我开阔了眼界，而且增强了我的信心。 [知识积累] (1)in exchange for作为对……的交换 exchange students交换生 (2)exchange A for B用A来换取B exchange sth.with sb.和某人交换某物 ◆[学以致用] (1)单句语法填空 ①I gave Mary an apple in exchange for my favourite banana，that is，I'd like to exchange an apple for a banana. ②The exchange students exchanged notes about the lecture with their partners. (2)完成句子 ③After reading some English classics，we will exchange ideas about what we read with our partners. 读完英文名著之后，我们将和我们的伙伴就我们所读的内容交换看法。 6．vary from...to...从……到……不等 (教材P26)The subjects of the Dunhuang murals vary from religious stories to scenes of everyday life. 敦煌壁画的主题多样，从宗教故事到日常生活，场景各不相同。 ◆[佳句感知] 　Opinions on this matter vary from person to person. 对于这件事，人人意见不一。 [知识积累] (1)vary v．相异，不同，有别；变化，变更，改变 vary in(大小、形状等)不同，有别 vary with 随……变化，改变 vary between...and...从……和……之间转变 (2)variety n．种种；多样化 eq \b\lc\ \rc\}(\a\vs4\al\co1(a variety of,varieties of))种类繁多的；各种各样的 (3)various adj.各种各样的 [名师点津]　a variety of(varieties of)既可修饰可数名词，也可修饰不可数名词，该短语修饰可数名词作主语时，谓语动词用复数，修饰不可数名词作主语时，谓语动词用单数。 ◆[学以致用] (1)单句语法填空 ①One of the advantages is that we can find various (variety) topics，such as science，culture and history. ②The research team is made up of the pupils，whose ages vary from 10 to 15. ③There are varieties (variety) of reasons in favor of my opinion that a Chinese dictionary shouldn't include English words. (2)一句多译 在艺术文化会演中，有各种各样的表演，从唱歌、跳舞到背诗不等。 ④In the course of the Art and Cultural Show，there are various performances，which vary from singing，dancing to reciting poems.(定语从句) ⑤In the course of the Art and Cultural Show，there are various performances varying from singing，dancing to reciting poems.(现在分词短语作定语) 7．date from追溯到；始于 (教材P27)Dating from 405 AD to 1002 AD... 可追溯到公元405年至公元1002年间…… ◆[佳句感知] 　The traditional friendship between our two peoples dates from ancient days. 我们两国人民之间的传统友谊可追溯至遥远的过去。 [知识积累] date back to(＝go back)追溯；上溯(后接时间段) [名师点津]　date from/date back to 常指以“现在为起点”，往前推，故在句中做谓语时，常用一般现在时，且无被动语态。 ◆[学以致用] (1)单句语法填空 ①Calligraphy is an art form dating(date) back to the Han Dynasty. ②On top of the mountain stands an ancient temple which dates(date) back to the Tang Dynasty. (2)一句多译 我向你强烈推荐的旅游景点是始于公元前478年的孔庙。 ③The tourist attraction I strongly recommend to you is Confucius Temple which dates back to 478 BC.(定语从句) ④The tourist attraction I strongly recommend to you is Confucius Temple dating back to 478 BC.(现在分词作定语) 8．strengthen v．加强 (教材P27)Given that the theme of the Expo was to promote cultural exchange and strengthen mutual cooperation between the countries along the Silk Road... 考虑到博览会的主题是促进和加强丝绸之路沿线国家之间的文化交流和相互合作…… ◆[佳句感知] 　Speaking up and giving presentations loudly in class have strengthened my confidence. 在课堂上大声发言和发表演讲增强了我的信心。 [知识积累] strength n．力量，体力；长处，强项 build up one's strength 增强实力 strengths and weaknesses 强弱项 ◆[学以致用] (1)单句语法填空 ①If all this is done，China will be able effectively to build her strength(strength) for the trade war. ②Our object is to further strengthen(strength)friendly relations between the two countris. ③Each of us has our own strengths(strength)and weaknesses. (2)完成句子 ④Our friendship has strengthened steadily over the years. 我们的友谊逐年加深。 [经典句式] 1．句式提炼：as if引导方式状语从句 (教材P27)The Apsaras are depicted sailing in the bright blue sky，with their scarves flying，as if they are about to fly down to meet us. 上面画的是飞天在蔚蓝的天空中飞行，他们帔巾飘飘，好像要飞下来迎接我们。 [句式分析]　本句中as if引导方式状语从句。 ◆[佳句感知] 　Jack wasn't saying anything but the teacher smiled at him as if he had done something very clever. 杰克什么也没说，但老师对他笑了笑，好像他做了(做了)一件非常聪明的事情。 [知识积累] as if的用法 (1)as if相当于as though，意为“似乎，好像”，用在seem，look等系动词之后引导表语从句。 (2)as if/though还可引导方式状语从句。若as if从句描述非现实情况，则用虚拟语气。 当从句表示与现在事实相反的情况时，谓语动词用一般过去时(be动词一般用were)； 当从句表示与过去事实相反的情况时，谓语动词用过去完成时(had＋过去分词)； 当从句表示与将来相反的情况时，谓语动词用would/might/could＋动词原形。 注意：若从句描述的情况发生的可能性很大，则不用虚拟语气。 ◆[学以致用] (1)单句语法填空 ①Listen，the whistle of an ambulance! It seems as if there is (be) an emergency. ②When a pencil is partly put into water，it looks as if it were (be) broken. ③The teacher just stared at me as if he had known(know) everything about the incident. (2)佳句写作 ④The moment they met，they hugged together firmly/tightly as if/though they would never separate again. 一见面，他们就紧紧地拥抱，好像他们永远不会再分开了。(读后续写之肢体动作描写) 2．句式提炼：so that引导目的状语从句 (教材P26)Come a little bit closer so that you can get a better view. 靠近一点，这样你就可以看得更清楚。 [句式分析]　本句中so that引导目的状语从句。 ◆[佳句感知] 　Parents and children should communicate more to narrow the gap between them so that they can understand each other better. 家长和孩子应该多交流来缩小代沟以便他们能更好地相互了解。 [知识积累] so that 引导的状语从句 so that 既可以引导目的状语从句，也可以引导结果状语从句，其具体用法如下： (1)so that引导目的状语从句，意为“以便，为了”，可用 in order that 替换，从句中常用may，can，could 等情态动词。 (2)当so that引导的目的状语从句中的主语与主句中的主语一致时，可以直接简化为不定式或“in order to/so a to”结构做状语。 [名师点津]　so as to 不能放在句首，而 in order to 可放在句首。 ◆[学以致用] (1)单句语法填空 ①Many athletes take part in the Olympic Games in order to win(win) glory for their homeland. ②I explained the traditional procedure of making tea in detail so that they could better understand it. (2)佳句写作 ③Therefore，we plan to practice together in the school gym from 5∶00 pm to 6∶00 pm every day so that we can provide the students with a fantastic match. 因此，我们计划每天下午5∶00－6∶00一起到校体育馆练习，目的是给同学们提供一场精彩的比赛。 $