Unit2 Section Ⅲ Understanding ideas（课件PPT）-【步步高】2024-2025学年高二英语选择性必修第二册学习笔记（外研版）

该高中英语课件围绕“Social Media Detox”主题，通过速读（明文章大意、悉篇章结构）、细读（深度获取细节）、读后（语法填空）的分层设计，搭建从整体感知到细节理解再到语言内化的学习支架，衔接阅读理解与语言知识应用的脉络。 其亮点在于融合语言能力与思维品质培养，长难句分析（如复合句成分拆解、with复合结构用法）和重点词块默写提升语言理解与运用能力，结合主旨题、细节题引导学生评价社交媒体使用渗透批判性思维。学生能分层提升阅读与语言应用能力，教师可借助系统流程高效开展阅读理解与语言技能教学。

Section Ⅲ Understanding ideas Improving yourself Unit2 Part 1　课文整体理解 Part 2　长句难句分析 整体理解 课文 3 Step 1　速读——整体理解文意 Ⅰ.明文章大意 What is the main idea of the passage? A.The profiles of 5 students’ online activities. B.The benefits of raising money for the fundraising campaign. C.The importance of switching off the devices and focusing on study. D.The results and reactions of 5 students involved in the Social Media 　Detox. √ Ⅱ.悉篇章结构 Read the passage quickly and then fill in the blanks. Social Media Detox In order to raise the 1. ,the Social Media Detox was held. With 2. and 3. ,the students left their devices. fund excitement nervousness Anna felt it 4. to tolerate than she had expected. Finally,£1,632.82 was 8. and the awareness of 9.________ away from social media has been raised,too. tougher Social Media Detox Devon realised the value of real 5. . Cindy and George 6._____ it the whole week. Max 7. in the towel on the first day. contact made threw raised stepping Step 2　细读——深度获取细节 1.What is the aim of the Social Media Detox at Brenton High? A.To raise teens’ awareness of online safety. B.To teach students to make money online. C.To persuade teens not to use social media. D.To collect money for new sports equipment. √ 2.What did Devon learn from the activity of the detox? A.The need to use social media for teens. B.The negative effects of social media on teens. C.The importance of communicating face to face. D.The ability to memorize things on the Internet. √ 3.What did Cindy do during the detox? A.She updated her profiles. B.She gave her phone to her dad. C.She went round to her friends’ houses. D.She had a quick look at her social media accounts. √ 4.Why did Max give up the detox on the first day? A.He regretted taking part in the detox. B.He couldn’t stand the life without the phone. C.He felt like he had lost an arm without the phone. D.He couldn’t remember where the party was without a phone. √ 5.What advice may the moderator give to the teens? A.To do exercise by using sports equipment. B.To avoid using social media too much. C.To improve their skills of communication. D.To realise that money isn’t everything. √ Step 3　读后——课文语法填空 In order to collect money for new sports 1. (equip)，we held 2. activity—the Social Media Detox.Over 100 students had been persuaded 3. (stop) using social media for seven days.They had been promised money by family and friends for each day 4. (spend) without using social media.But could they do it? It took Anna two days to be aware of the seriousness of 5. (check) her phone.Doing the detox not only 6. (make) Devon realise the value of real contact 7. motivated Cindy to visit a different friend every day. equipment an to stop spent checking made but An hour’s sport each day let George become healthier.It was a pity that Max threw 8. the towel on the first day.But generally speaking，the Social Media Detox was 9. (success)，which raised a total of ￡1,632.82 and helped teenagers step away from social media and communicate with each other 10. (well). 返 回 in successful better 难句分析 长句 14 1.They (promise) money by family and friends for each day spent without (use) social media.(P18 Moderator) 结构分析：此句话为　　　句。spent...media是过去分词作　　　　　，修饰　　　　　。 汉语翻译：_____________________________________________________ _______________________________________________________________ Ⅰ.补句子　析结构 had been promised using 后置定语 脱离社交媒体的每一天，他们都能收到来自家人和朋友的奖励金。 简单 each day 2.I (感觉像) I had lost an arm! (P18 Anna) 结构分析：此句话为　　　　　句，并且使用了　　　语气，表示和 　　　　事实相反。 汉语翻译：_____________________________________________________ 主从复合 虚拟 过去的 没了社交媒体，就像缺少一只胳膊一般。 felt like 3.Doing the detox 　　　　(mean) we had to talk and explain what we were doing and thinking！(P19 Devon) 结构分析：此句话为　　　　　句。主句的主语是　　　　　　　　；we had to...thinking是省略了that的　　　从句；该从句中又包含了what引导的　　　从句，作explain的　　　。 汉语翻译：_____________________________________________________ _______________________________________________________________ 　　　　　参与这次脱瘾活动，意味着我们不得不互相交流并向对方解释自己的所做所想。 主从复合 meant Doing the detox 宾语 宾语 宾语 4.It made me realise the value of real contact that I ___________________ (forget).(P19 Devon) 结构分析：此句话为　　　　　句。that引导　　　从句，修饰名词 　　　　。 汉语翻译：_____________________________________________________ 　　　　　这也让我意识到已经遗忘了的真正沟通的重要性。 had forgotten 主从复合 定语 contact 5.By the (five) day，I wondered—was I really missing out by not (constant) checking my phone to see what everyone else was up to？(P19 Cindy) 结构分析：此句话为　　　　　句。was I...was up to是　　　从句，作wonder的宾语；to see what everyone else was up to是不定式作　　　　；what引导　　从句，作动词see的　　，be up to意思是“　　　　　”。 汉语翻译：_____________________________________________________ _______________________________________________________________ fifth constantly 主从复合 宾语 目的状语 宾语 宾语 忙于…… 　　　　　到第五天时我在想，当我不再忙于查看手机关注他人生活的时候，我真的错过了很多吗？ 6.　　　　　　(说实话)，I didn’t find the detox too difficult，but I did give my phone to my dad to avoid 　　　(give) in！(P20 George) 结构分析：此句话为but连接的　　　句。but后的分句中did give是“助动词＋动词原形”强调　　　动词。 汉语翻译：_____________________________________________________ _______________________________________________________________ 　　　　　说实话，我觉得社交媒体脱瘾没那么难，但为了让自己不要半途而废，我还是把手机上交给爸爸了。 To be honest giving 并列 谓语 7.My brother thought I should 　　　　　　　　　(充分利用) the time without my phone，so he took me to check 　　　 our local sports centre.(P20 George) 结构分析：此句话为so连接的　　　　　句。so前的分句中I should...my phone是省略that的　　　从句。 汉语翻译：_____________________________________________________ _______________________________________________________________ make full use of out 并列复合 宾语 　　　　　哥哥觉得我应该充分规划好没有手机的日子，因此他带我去了我们当地的体育中心。 8.I knew there was a party 　　　　　(happen) that evening，but without access 　　 social media I couldn’t remember where it was! (P20 Max) 结构分析：此句话为but连接的　　　　　句。第一个分句中there was a party...that evening是省略that的　　　从句；第二个分句中where引导 　　　从句。 汉语翻译：_____________________________________________________ _______________________________________________________________ happening to 并列复合 宾语 宾语 　　　　　脱瘾活动开始的当晚有个聚会，但如果不靠社交媒体的话，我怎么也想不起地点在哪儿！ Ⅱ.研典句　学用法 with 复合结构 With the detox now finished，they’ve switched on their devices and they’re back online.(P18 Moderator) 如今，脱瘾活动已结束，他们纷纷开启电子设备，重返网络。 结构分析：此句话为and连接的并列句，With the detox now finished为with复合结构在句中作状语，过去分词finished作宾语补足语。 with复合结构在句中可作状语和定语，其结构为： • with＋宾语＋done(表示被动或完成) • with＋宾语＋doing(表示主动或进行) • with＋宾语＋to do(表示将来的动作) • with＋宾语＋介词短语/adj./adv. (1)他在我房间里坐了几分钟，好奇的眼睛盯着我桌子上的罐子。 He sat in my room for a few minutes the jar on my table. (2)汤姆扑进他母亲的怀里，眼里涌出羞愧和尴尬的泪水。 Tom threw himself into his mother’s arms，_________________________ . with his curious eyes fixed on with tears of shame and embarrassment welling up in his eyes (3)有这么多人帮助我们，我们一定能在截止日期前完成任务。 ，we are sure to finish the task before the deadline. (4)他筋疲力尽，穿着所有的衣服躺在床上。 Exhausted and tired，he was lying on the bed . With so many people to help us with all his clothes on 课文重点词块默写 1.平均起来；大体上 ___________ 2.说服某人做某事 ____________________ 3.社交媒体 ____________ 4.(用开关)开，打开 __________ 5.渴望做…… _____________ 6.要说真有什么的话 ___________ 7.经再三考虑，反思 ____________ on average persuade sb to do sth social media switch on be eager to do if anything on reflection 8.感觉像；喜欢 ________ 9.错过(益事或乐事)；遗漏，漏掉 ________ 10.忙于做…… _______________ 11.培养爱好 _______________ 12.拜访；习惯于 _________ 13.查看；调查 _________ 14.说实话，老实说 ___________ 15.认输；屈从；让步 _______ 16.充分利用 ______________ feel like miss out be occupied with pick up hobbies go round check out to be honest give in make full use of 17.认输 ________________ 18.快速查看 __________________ 19.更糟糕的是 ____________ 20.补上；了解(已发生的事情) ___________ 21.总共，总计 _________ 22.除了……以外 _________ 23.依靠，依赖 _______ 24.远离，离开 ______________ 返 回 throw in the towel have a quick look at what’s worse catch up on a total of other than rely on step away from 本课结束 $