UNIT 2 Section II Discovering Useful Structures-【成才之路·学案】2025-2026学年高中英语选择性必修第三册同步新课程学习指导(人教版)

033 Ⅱ.一词多义/熟词生义 involve in tobacco or alcohol abuse.If (一)一词多义 3. (leave)unchecked,these bad habits abuse:A.t.虐待B.t.滥用C.n.滥用 could lead to more serious ones.To prevent harmful D.t.辱骂 habits,teenagers must learn to understand how 1.He abused alcohol and tobacco, so he was habits work-the "habit cycle".Then they should physically unhealthy. adapt the bad habit cycles by combining the 2.Mary has a difficult life and is often abused by information from their habit cycles 4. her stepmother. their own positive ideas. 3.His parents often criticize and abuse him with Don't try to change bad habits quickly,for the sharp words most successful way to change is over a period of 4.To our shock,the person of high rank suffered a time. As the Chinese philosopher aozi lot from drug abuse. write),"A journey of a thousand (二)熟词生义 miles begins with a single step."6. 1.There is a reward for information leading to (reach)the goal of change,a person must show catching the killer. some discipline and 7. repeat)take 2.Yoga is a good discipline for learning to relax. many small steps. The good news is 8. there is plenty 3.The percentage of false negatives generated by the of time for young people to change bad habits. cancer test is of great concern. However,there is no "magic pill"and they have to Ⅲ.课文语法填空 think about their bad habits and decide on some 根据课文内容，在空白处填入1个适当的单 change).They have the power to 词或括号内单词的正确形式。 build 10 happy and healthy life that is With teenagers growing up,1 full of good habits can be easy for some of them to form bad habits.For 夯基提能作业 example,some of them may become 2. 请同学们认真完成练案[5] SectionⅡ Discovering Useful Structures ●语法概览 动词不定式表示某一次具体的、特定的或有待实现的动作 基本 t作形式主语，真正的主语（动词不定式）后置 用法 动词 “疑问词+动词不定式短语”作主语 不定 式作 动名词作主语通常表示抽象动作；而动词不定式作主语表示具体动作 动词不 主语 定式与 动名词作主语，通常用来表示一件已知的事或经验；动词不定式通常用来 动名词 表示一件未完成的事或目的 作主语 常用动名词作真正的主语的句型有：It's no good/.no use doing.;t'sa 的区别 waste of time doing..等 034 ●语法精讲 :3.动词不定式（短语）可与疑问词when,where, how,what,which,who等组合，在句中作 一、基本用法 主语。 1.动词不定式作主语，表示具体的、一次性的或 Where to hold the meeting is still unknown. 将来的动作。 会议地，点还未知。 To study English well is not easy How to solve the problem has not been decided 学好英语不容易。 yet. To save money now seems impossible. 如何解决这个问题还未决定。 现在想省钱似乎是不可能的。 二、动词不定式与动名词作主语的区别 〉温馨提示 1.动名词作主语通常表示抽象动作；而动词不定 表示单一概念的动词不定式作主语时，谓语动 式作主语表示具体动作。 词用单数。 To teach you the uses of the infinitives is my job 2.若动词不定式太长，则往往用t代替动词不定 today.(表具体行为) 式作形式主语，动词不定式移至谓语之后，以 教你们动词不定式的用法是我今天的工作。 使句子结构平衡。常见句型有以下4种： Teaching is my job.(表抽象行为) (1)It+be+形容词+(for/ofsb.)to do sth. 教学是我的工作。 (2)It+be+名词+to do sth. 2.动名词作主语时，通常用来表示一件已知的事 (3)It takes(sb.)some time to do sth. 或经验；动词不定式通常用来表示一件未完成 (4)It made sb.+adj.to do sth. 的事或目的。 It is impossible to learn a foreign language It is widely known that smoking is harmful to without making painstaking efforts. health.(经验) 不下苦功就能学会一门外语是不可能的。 众所周知，吸烟有害健康。 It's very hard for him to study two languages. To finish the task will take a long time.(目的) 完成这项任务将要花费很长时间 对他来说学两门语言是很难的。 3.常用动名词作真正的主语，t作形式主语的句 〉温馨提示 型有It's no good(use,fun）doing/It'sa (1)该句式结构中for sb.前常用表示事物的特 waste of time doing等。 征、特，点的形容词，如easy,hard,difficult, It is no good arguing with him.He never interesting,impossible等。 listens to others. It's necessary for you to lock the car when 和他争论没用，他从不听别人的。 you do not use it. It is no use waiting here doing nothing. 当你不用车的时候，锁车是有必要的。 无所事事地在这里等待是没有用的。 (2)sb.前一般用表示人物的性格、品德及主)温馨提示 观感情或态度的形容词，如good,kind, 如果该句型中用了for引出不定式的逻辑主 nice,clever,foolish,right等。 语，就只能用不定式。 It was silly of us to believe him It is no good for us to do that exercise. 我们真愚蠢，竟然相信了他。 我们做那种练习没有好处。 035 语法精练 I.单句语法填空 3.你这样说真是太好了。 1.（2024·浙江1月卷)It is so easy to say so. (let)an online course slide,but4.这是一个特殊的时刻，我和我的孩子们建立了 your grades will suffer as a result. 联系，让他们沉浸在书的奇妙中。 2.(2024·新高考I卷)I see what you mean, It was a special time these days you can see traffic jams around and it filled them with the wonderment of books. schools that drop off at pick-up times,but it's5.什么时候开会还没有定下来呢。 hard (blame)the parents. 3.(2024·高考模拟题) reduce hasn't been decided yet. plastic waste is crucial for environmental6.这些结果表明，要想从运动中获得最大的健康 protection 益处，先不吃东西可能是明智的 4.(2024·高考模拟题) explore) The implication of these results is that to gain the the unknown has always been a driving force for greatest health benefits from exercise,it may be human progress. wise 5.（2024·高考模拟题) balance) Ⅲ.阅读下面文章，填入括号内单词的正确形式 work and life is a challenge faced by many young How 1. keep)healthy is always a people today. concern for people.First of all,it is important for 6.（2023·新高考Ⅱ卷)If you're lucky,there you 2. (have)a light diet every day to might be a pocket park near where you live,but maintain good health.Second,3 (go)to it's unusual (find)places in a bed early and get up early not only is good for city that are relatively wild. health and helps prevent disease but also keeps you 7. travel)around the world has in good shape.Third,it's wise of you 4. always been her dream. laugh)more every day,which can help you 8. wait)too long might cause you improve your health through good emotional to miss the opportunity. control.It's important 5. follow)good 9.It took me more than an hour habits and keep a positive attitude.In addition, (do)my homework yesterday evening. 6. exercise)for half an hour every day 10.It's a great honour for me can improve circulation and make your body (invite)here today. healthier.Finally,to promote health,7. Ⅱ.完成句子 is also an effective way to drink enough water every 1.步行去银行大约用十分钟时间。 day. It takes about ten minutes 夯基提能作业 2.在一天结束的时候，我们很容易入睡。 请同学们认真完成练案[6] It is easy for usIl.1.it 2.involved 3.left 4.with 5.wrote 6.To reach 7.repeatedly 8.that 9.changes 10.a Section II Discovering Useful Structures 语法精练 I.1.to let句意：放任在线课程不管很容易，但你的成绩会因 此受到影响。分析句子结构可知，Itis+形容词+todo sth.（不定式作真正主语)。 2.to blame句意：我明白你的意思，这些天你可以看到学校 周围在接送时间会出现交通堵塞，但很难责怪家长们。分 析句子结构可知to blame是真正的主语。 3.To reduce句意：减少塑料垃圾对环境保护至关重要。分 析句子结构可知，不定式作主语。故填To reduce。 4.To explore句意：探索未知一直是人类进步的动力。分析 句子结构可知，不定式作主语。故填To explore。 5.To balance句意：平衡工作与生活是当今许多年轻人面 临的挑战。分析句子结构可知，不定式作主语。故填To balanceo 6.to find句意：如果你幸运的话，你住的地方附近可能会有 一个小型公园，但在城市中找到相对自然的地方是不寻常 的。在“it's unusual to do sth.”中it是形式主语，真正的主 语是to find places 7.Traveling句意：环游世界一直是她的梦想。分析句子结 构可知，设空在句中作主语。故填Traveling。 8.Waiting句意：等待太久可能会让你错过机会。分析句子 结构可知，设空在句中作主语。故填Waiting。 9.todo句意：昨晚我做作业花了一个多小时。It takes sb some time to do sth.(做某事花费某人多少时间)。 l0.to be invited句意：今天被邀请到这里对我来说是极大 的荣幸。tis+名词+for sb..to do sth.（不定式作真正主 语)。 Ⅱ.l.to walk to the bank 2.to go to sleep at the end of the day 3.It's very kind of you 4.to bond with my children 5.When to hold the meeting 6.to skip eating first IlI.1.to keep 2.to have 3.to go 4.to laugh 5.to follow 6.to exercise 7.it Section IlI Listening and Talking, Reading for Writing 自主预习 词汇记忆 1.compose 2.disturb 3.skip 4.dizzy 5.dynamic 6.enhance 词汇认知 1.剃（须发）；刮脸2.胡须；络腮胡子3.香烟；卷烟 4.毒品；药物5.流感6.牙科医生7.含糖的；甜的 8.坚果9.滑板滑滑板10.保龄球运动 词汇拓展 1.composition composer 2.surgery 3.liberation 4.disturbed disturbing 5.specially specialist 6.consultation consultant 7.stimulation stimulating 8.comedian 9.monthly 10.refreshed refreshing 11.absorbed absorption 17 词块识记 1.make up one's mind 2.be composed of 3.shave off 4.stressed out5.wom out6.首先，最重要的是 7.控制8.成功做某事9.对…疯狂 课文预读 1.C2.B3.B4.C5.A 要点探究 核心词汇 1.(1)to study (2)minds (3)a terrible thought came into my mind 2.(1)stimulating (2)stimulation 3.(1)composers (2)sea water is mainly composed of water and salt sea water mainly consists of water and salt sea water is mainly made up of water and salt 4.(1)disturbing (2)be disturbed (3)Disturbed and awakened by the radio 5.(1)stressed (2)stressed (3)under (4)are you stressed(out)under great stress stress/lay stress on the importance/significance of a good state of mind 6.(1)refreshing (2)yourself (3)(should)take some days off to get refreshed 7.(1)in (2)myself (3)Absorbed in that project Absorbing myself in that project 重点句型 (1)noticing (2)leaving (3)making it quite nutritional which makes it quite nutritional 随堂达标 I.1.comedy 2.skipped 3.dizzy 4.dynamic 5.drug 6.dentist 7.stimulates 8.enhance 9.composed 10.Absorbed II.1.trying out 2.Being Getting absorbed in 3.stressed out 4.is composed of 5.made up his mind IlI.1.or 2.to eat 3.regularly 4.more dynamic 5.in 6.relaxed 7.starting 8.However 9.has enhanced 10.energetic Section IV写作指导 二、l.stay up2.wom out3.stressed out 4.make up one's mind to do sth.5.straight away 6.keep a balanced diet 7.work out 8.develop the habit of 9.get refreshed 10.be absorbed in.../absorb oneself in... 11.reward 三、I.attending your summer camp 2.which have brought me a negative effect physically and mentally 3.so stressed out and worn out that I can't be absorbed in studying 4.have made up my mind to change myself straight away 5.Keeping a balanced diet 6.Equally important is that whatever difficulties I come across 7.It's a good idea to develop the habit of 8.make great efforts 9.get more refreshed,dynamic and energetic 6