Unit 4 Section Ⅳ Lesson 2（课件PPT）-【精讲精练】2025-2026学年高中英语必修第二册（北师大版）

该高中英语课件围绕“信息技术”主题，系统梳理重点词汇（如subscribe, account等含词性转换）、短语（for short, call for等）及句型（疑问词+不定式等），通过“基础知识-核心知识-随堂演练-课时作业”栏目导航，构建从词汇落实到能力提升的递进式学习支架。 其亮点在于结合高考真题（如2023新课标Ⅰ卷词汇升级题）设计“即学活用”练习，以语言能力培养为核心，通过词汇拓展（如power-powerful-powerless）和句型辨析（如宾语从句与时间状语从句）提升思维品质，分层次巩固助力学生系统掌握知识，教师可借助结构化资源高效开展教学。

Section Ⅳ　Lesson 2 UNIT 4　 INFORMATION TECHNOLOGY 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 栏目导航 基础知识•新知落实 01 核心知识•关键能力 02 随堂演练•巩固提升 03 课时作业•知能达标 04 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 基础知识•新知落实 栏目导航 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 subscribe account software device ensure button 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 goods favour confirm error gender material goods 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 powerful powerfully power latest later late reality real really press pressure 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 deliver delivery accommodation accommodate favour favourable 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 for short call for find out help out figure out set up hold on do sb a favour 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 As many of our listeners are students 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 that when 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 what people need how to set up 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 核心知识•关键能力 栏目导航 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 to subscribed to 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 powerful powerless powered 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 beyond/out of his power in my power will come into power 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 for into On no account will I 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 take what I've stated above into account on account of the bad weather 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 from that you lose weight 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 be confirmed It It has been confirmed 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 接生 发表(演说) 传送 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 delivered was delivered delivery 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 favourable favorite our do me a favour to in favour of 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1     栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 whether to stay here or leave at once how to learn English well 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 when to have the sports meeting 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 随堂演练•巩固提升 栏目导航 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 accommodation goods 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 reality error device 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 favour powerful ensure 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 latest reality 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 课时作业•知能达标 栏目导航 课时作业•知能达标 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 谢谢观看 栏目导航 UNIT 4　INFORMATION TECHNOLOGY 1 Ⅰ.重点单词 核心单词 1．_________ vi.订阅；订购 2．_______ n.账户 3．________ n.计算机软件 4．______ n.设置；装置 5．______ vt.确保；保证 6．______ n.按钮 7．_____ n.商品 8．______ n.恩惠；善意的行为 9．_______ vt.确认；证实 10．_____ n.错误；失误 11．______ n.性别 12．________ n.材料；素材 13．_____ n.商品 拓展单词 14．________ adj.效能高的；强有力的；强壮的→__________ adv.强有力地；强壮地→_____ n.权力 15．______ adj.最新的；最近的→_____ adj.后来；较晚的；adv.后来；随后→____ adj.后来的；晚的 16．_______ n.现实；真实→____ adj.真实的；实际存在的→______ adv.实际上；真正地 17．_____ vt.按→________ n.压力；按压 18．_______ vt.& vi.递送；传送→________ n.发表；递送 19．_____________ n.住处；停留处；膳宿→___________ vt.为(某人)提供住宿 20．______ vt.较喜欢；选择；有利于n.帮助；恩惠；赞同→__________ adj.赞成的，称赞的；有利的 Ⅱ.重点短语 1．_________ 缩写；简称 2．________ 要求；需要；为……叫喊 3．________ 找出，查明；发现 4．________ 帮助……摆脱困难 5．__________ 解决；算出；想出；理解；断定 6．______ 建立，设立 7．_______ 不挂断电话，等一下；继续 8．______________ 给某人以恩惠；帮某人忙 Ⅲ.重点句型 1．as引导的原因状语从句 ___________________________________，could you tell us something about educational apps? 由于我们的听众很多是学生，你能给我们讲讲教育应用程序吗？ 2．that引导宾语从句；when引导时间状语从句 They also ensure ____ students can all enjoy the same learning materials, even ____ they're not sitting in the same classroom together! 他们还确保学生都能享受到相同的学习材料，即使他们不是坐在同一间教室！ 3．what引导宾语从句 The most difficult thing is finding out ________________ and solving real­world problems. 最困难的事情是发现人们需要什么并解决现实世界的问题。 4．特殊疑问词＋动词不定式作宾语 No，I've downloaded it，but I can't figure out _____________ an account. 没有，我已经下载了，但是我不知道如何建立账户。 [重点词汇] 1．subscribe vi.订阅，订购 (1)subscribe to 订阅；同意 (2)表示“同意，赞成”的短语有： be for；submit to；agree to/with；approve of；be in favour of [经典佳句] You can subscribe to the magazine for as little as $32 a year. 一年只需32美元你就能订阅这份杂志。 [即学活用]　单句语法填空/词汇升级 ①If you ever felt that there is more to life than boring jobs，then why not subscribe __ it? (2023·新课标Ⅰ卷) ②I've personally never agreed to the view that either sex is superior to the other. →I've personally never _____________ the view that either sex is superior to the other. 2．powerful adj.效能高的；强有力的；强壮的 (1)power n.　力量，能力；电力；政权，势力 　v.　给(车辆或机器)提供动力 come into power　上台；掌权 in power　执政 power failure　停电 hold/have sb in one's power　控制住某人，能摆布某人 beyond one's power　超出某人的能力 (2)powerless adj.　无权的；无影响力的 [经典佳句] China is wealthier and more powerful than ever before. 中国比以往任何时候都富有、强大。 [即学活用]　单句语法填空/完成句子 ①It is a ________(power) way to represent the reality that everything is always changing. ②I saw what was happening，but I was _________ (power) to help. ③Tom can even make machines with moving parts，which could lead to a mini machine _______ (power) by an outside source such as a light or a magnet. ④Not that John doesn't want to help you，but that it's _____________ __________ (超出他的能力范围)． ⑤我坚信我有能力得到我想要的东西。 I had a strong belief ___________ to get what I wanted. ⑥据说，新市长将于下个月上台执政。 It is said that the new mayor ____________________ next month. 3．account n.账户；理由；计算 vi.& vt.认为；说明；总计有 (1)on no account　决不(置于句首时，句子用部分倒装) take...into account/consideration　考虑…… on account of　由于；因为 (2)account for　解释；说明；占……(比例) [经典佳句] I paid the cheque into my savings account. 我把支票存入我的储蓄账户。 [即学活用]　单句语法填空/完成句子 ①Our teacher wanted you to account ___ your absence last night. ②You are supposed to take your personality ____ account and figure out what kind of job would suit you best. ③在获得知识的道路上，我决不会向困难屈服。 ____________________ give in to the difficulties on the way to gaining knowledge. ④总之，我真诚地希望你能考虑到我上面所说的。(2023·新课标Ⅰ卷，书面表达) To sum up，it's my sincere hope that you can ____________________ ____________________． ⑤由于天气不好，我们将启程(的时间)推迟了。 We delayed our departure _____________________________． 4．ensure vt.确保，保证 ensure sb sth 　向某人保证…… ensure (that)...　确保…… ensure...from/against　保护……不受…… [经典佳句] If you take an online course，what can you do to ensure the best possible grade？(2024·浙江1月卷) 如果您参加在线课程，您可以做些什么来确保最好的成绩？ [即学活用]　单句语法填空/完成句子 ①When people feel the disorientation of culture shock，they want to ensure themselves ____ the unfamiliar environment. ②我们的锻炼系统将确保你减肥，快速和安全地锻炼肌肉。 Our workout system will ensure ____________________ and build muscles quickly and safely. 5．confirm vt.确认；证实；证明；确定；批准 confirm sth 　证明/确认某事 confirm that...　证实…… It has been confirmed that...　已经确定…… [经典佳句] Has everyone confirmed that they're coming? 他们是不是每个人都确认过一定会来？ It has been confirmed that the 33rd Olympic Games will be held in Paris. 已经确定第33届奥运会将在巴黎举行。 [即学活用]　单句语法填空/完成句子 ①Groups of five or more require special arrangements and must ____________(confirm) in advance.(2024·新课标Ⅰ卷) ②__ has confirmed me in my decision to become a pilot. ③已经证实温室气体是造成全球变暖的主要原因之一。 _____________________ that greenhouse gases are one of the main causes of global warming. 6．deliver vi.& vt.递送；传送；接生；发表(演说等) deliver sth to sb 　投递/传送某物给某人 deliver a speech　发表演说 be delivered of a baby＝give birth to a baby　生孩子 delivery n.　传递，投递；分娩；演讲 [经典佳句] Mail is delivered to our office twice a day. 我们办公室的邮件每天投递两次。 Our mayor delivered an important speech at the opening ceremony of the Shanghai World Expo. 我们市长在上海世博会开幕式上发表了重要讲话。 [即学活用]　写出下列句中deliver的含义/单句语法填空 ①Charlotte found herself operating on damaged limbs and setting broken bones，in addition to delivering all the babies in the area. ______ ②By the time he delivered his speech at the UN in New York in 2011，at the age of 13，Germany had planted its millionth tree. ____________ ③Did you deliver my message to my father？______ ④Rather than going out to stores weekly or even daily，more and more people order things from clothes to toys to foods online and have them _________ (deliver) directly to their homes. (人教必修二U3) ⑤Her baby _____________(deliver) by her own doctor. ⑥You should compensate us for the loss caused by the late ________ (deliver). 7．favour n.恩惠；善意的行为；赞同；支持；偏爱 vt.有利于；较喜欢 (1)in favour of　赞同，支持 in one's favour　对……有利 do sb a favour＝do a favour for sb　帮某人一个忙 ask sb a favour＝ask a favour of sb　请求某人帮忙 (2)favourite adj.　最喜爱的 (3)favourable adj.　给人好印象的；肯定的；赞同的；支持的；有利的 [经典佳句] Could you do me a favour and pick Sam from school today? 今天你能帮我把萨姆从学校接回来吗？ [即学活用]　单句语法填空/完成句子 ①The journey leaves a __________ (favour) impression. ②My_________ (favour) is rock and roll，but I have to say that country music can be quite beautiful sometimes.(2024·新课标Ⅱ卷，听力) ③The wind is in ___ (we) favour. ④你能帮忙把那支铅笔递给我吗？ Could you _________________ hand me that pencil，please? ⑤他说他赞成这个计划，我们其他人也这么说。 He said he was ____________ the plan and so did the rest of us. [重点句型] (教材原文)I can't figure out how to set up an account．我不知道如何建立账户。 (1)在“疑问词＋动词不定式”结构中，不定式用主动形式。 (2)whether后接不定式，而if不可以。whether可以与or not连用。 [句式分析]　本句为特殊疑问词how＋动词不定式作宾语。 [即学活用]　完成句子/句型转换 ①她就在那里站了一会，不知是该待在这里还是该马上离开。(读后续写之情感描写) For a moment，she just stood there，feeling at a loss________________ ____________________． ②许多学生感到困惑的问题是如何学好英语。 The question many students are puzzled about is __________________ _______． ③It has not been decided when we will have the sports meeting. →It has not been decided _______________________________．(疑问词＋to do) Ⅰ.单词拼写 1．If you are not from Bunol，and you want to stay overnight，don't forget to look for and secure _____________(住处) in advance. 2. (译林选必三U4)The routes were alive with strings of camels carrying loads of _____(货物) and traders selling everything imaginable. 3．So long as you don't give up your dream，you can sooner or later turn it into a _______ (现实，真实). 4．(2023·新课标Ⅰ卷)Somehow，these arguments and reasoning resulted in a global reduction in _____(错误). 5．It is an electronic ______ (装置)with many uses. Ⅱ.单句语法填空 1．It was meant to win ______ (favourite) with you. 2．That's because there are a number of ________ (power) voices to deal with. 3．Mom needs to ______ (sure) that the food offered is good food for the child to eat. 4．You can look through the ______ (late) news happening around the world on your mobile phone. 5．Life is not fair，but despite that difficult _______ (real)，you must keep striving through the pain and tears. $