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高二英语选修七unit3课文知识点Unit 3: Environmental Protection and Natural DisastersIn the second year of high school, students studying English as a second language are often required to study different units and texts. Unit 3 of the selected curriculum for Grade 10 English is focused on Environmental Protection and Natural Disasters. This unit aims to enhance students' understanding of environmental issues, promote eco-friendly attitudes, and equip them with relevant vocabulary and language skills. Let's explore some of the key knowledge points covered in this unit.1. Vocabulary and Expressions:Vocabulary plays a crucial role in language learning. In Unit 3, students encounter various terms related to environmental protection and natural disasters. Some key words and expressions include pollution, conservation, sustainability, deforestation, global warming, climate change, earthquake, volcanic eruption, hurricane, flood, and drought. Learning these words will enable students to describe and discuss environmental issues and natural disasters more effectively.2. Reading Comprehension:Unit 3 presents a series of reading passages to improve students' reading comprehension skills. The texts cover topics such as climate change, the impact of pollution on our ecosystem, and the aftermath of natural disasters. By reading these articles, students develop their ability to identify main ideas, understand supporting details, and make inferences. They also gain awareness of the importance of environmental protection in our daily lives.3. Listening and Speaking:Listening and speaking activities provided in this unit help improve students' oral communication skills. They are encouraged to listen to conversations, interviews, and speeches related to environmental issues. By engaging in discussions and debates, students develop their ability to express opinions, present arguments, and support claims with evidence. These activities promote critical thinking, active participation, and effective communication in English.4. Grammar and Language Functions:Unit 3 focuses on specific grammar structures and language functions related to the topic. Students are introduced to various sentence patterns, such as expressing opinions using modal verbs (e.g., "should," "must"), making conditional statements (e.g., "if...then"), and using reported speech to convey others' opinions. These grammarpoints enable students to communicate their thoughts and ideas accurately and appropriately.5. Writing Skills:The unit includes writing tasks that require students to compose essays, reports, or letters related to environmental protection and natural disasters. These writing activities aim to develop students' skills in organizing ideas, structuring paragraphs, and using appropriate vocabulary and grammar. By practicing different writing styles, students enhance their ability to express themselves effectively in written form.Overall, Unit 3 of the Grade 10 English curriculum provides students with a comprehensive understanding of environmental issues and natural disasters. Through vocabulary acquisition, reading comprehension, listening and speaking exercises, grammar practice, and writing tasks, students develop their language proficiency, critical thinking abilities, and awareness of the importance of environmental conservation. This unit equips students with the necessary skills to communicate confidently and effectively in English while discussing these crucial topics.。
选修七unit3 重点短语1.witness sth目击，见证witness for为…作证witness to (doing) sth证明做某事witness to having done sth证明做过某事a witness to sth某事的证人bear/give witness to sth为…作证2.make/provide accommodation for为…提供住宿3.pause on/upon在...上停留make a pause停顿, 喘口气without a pause不停地4.drag one’s feet故意拖延drag down拖垮drag in拉进去drag on拉长,拖延5.urge sb/sth on催促人/物前进urge sb to do sth催促某人做某事urge sb into doing sth 催促某人做某事urge that sb (should) do sth极力主张,强调6.abandon sth/sb放弃,遗弃abandon oneself to沉溺于…abandon doing sth放弃做某事…7.help…out帮助某人摆脱困境或灾难help sb with 在…方面帮助某人help sb (to) do 帮助某人做某事with the help of在…帮助下can’t help doing忍不住做某事can’t help but do 不得不做某事8.reflect sth/sb in sth映出人/物的影像reflect on/upon sth仔细思考9.be/become aware of/that明白,意识到10.upside down颠倒,混乱,上下翻转turn sth upside down把…翻得乱七八糟11.(be) scared to death吓死了be scared of 害怕be scared of doingbe scared to do 害怕做12.the Antarctic南极洲13.sort out分类,整理sort through查看并挑选出14.ahead of在…之前,领先go ahead用吧,前进get ahead胜过,超过look ahead 向前看15.hold up举起,推举,延误hold back阻碍,抑制hold down压低,压抑hold on等下,别挂断，继续，坚持16.a pack of一包,一群17.let go放走,松手let sb down让某人失望let out 发出，泄露let…in 让。
Part 1. Warming upPart 2. Pre-reading, reading and comprehending1.I thought，at the time，that this was just a story but then I witnessed it with my own eyes many time.我当时认为这只是个故事，但是后来我却屡次亲眼目睹了这样的事情。
witness vt.目睹；目击；为……作证句型witness to (doing/having done) sth.证明某事；证实做了某事Police are appealing to any driver who may have witnessed the accident.警方正呼吁曾目睹这事故的司机出面作证。
The 1980s witnessed increasing unemployment throughout Europe.20世纪80年代是全欧洲失业日益加剧的年代。
Her principal was called to witness to her good character.她的校长被传唤来证明她优良的品质。
The driver witnessed to having seen the man enter the building.司机作证说，他看到此人进入那栋建筑物。
n.证据；目击者He has been a witness to a terrible murder.他目击了一起残忍的凶杀事件。
His good health is a witness to the success of the treatment.他身体安康证明这种疗法是成功的。
2.One afternoon I arrived at the station, as I was sorting out my accommodation, I heard a loud noise coming from the bay.归纳总结accommodation n.住处；停留处；和解，调解；(pl.)住宿，膳宿(1)make accommodations for...为……提供膳宿book accommodation at a hotel向旅馆预订房间arrange sb.’s accommodation给某人安排住处……提供住宿〔或膳宿〕；容纳；为……提供空间；考虑到；顾及；帮助；给……提供方便；顺应，适应〔新情况〕accommodate...to=adapt...to使……适应accommodate oneself to=adapt (oneself) to适应；顺应……即学即用〔1〕客座艺术家们只好自掏腰包支付食宿费用。
选修七Unit 3 Under the Sea一、语言要点I1. annual adj. 每年的；按年度计算的/ n. 年刊；年鉴[重点用法]annually adv. 年年地, 每年地[典例]1) an annual income. 年收入2) an annual report年度报告2.witness n. 目击者；证人；证据vt. 当场见到；目击[典例]1) He is the witness to the accident. 事故的目击者2) This old auditorium has witnessed many ceremonies. 这个古老的礼堂内举行过许多次典礼[重点用法]give witness on behalf of sb. 为某人作证3.accommodation住所[重点用法]accommodate v. 向...提供, 容纳, 调和; 适应accommodation address临时通讯处accommodation allowance膳宿津贴[典例]1) The high cost of accommodation makes life difficult for students in London．由于住宿费用昂贵，伦敦的学生感到生活困难。
2) The university offers excellent accommodation for summer visitors．这所大学为夏季来访者提供了很好的住宿。
4.abandon vt. 放弃；遗弃；抛弃n．放任, 狂热[重点用法]abandon oneself to sth./doing sth. 沉溺于abandon …to sb．把……舍弃给…with abandon放任地；放纵地；纵情地[典例]1) They abandoned all hope of finding an effective way to solve the problem．他们放弃了寻找有效方法解决问题的所有希望。
选修7 Unit3《Under the sea》●重点单词1．annual adj.每年的；按年度计算的n.年刊；年鉴→annually adv.每年地；年度地→anniversary n．周年纪念2．witness vt.当场见到；目击n．目击者；证人；证据3．accommodation n．住所；住宿4．opposite prep.在……对面adj.相对的；相反的5．pause vi. & n．暂停；中止6．telescope n．望远镜7．flee vi.逃避；逃跑vt.逃离→fled/fled (过去式/过去分词)8．drag vt.拖；拉；扯9．depth n．深(度)；深处10．urge vt.催促；极力主张；驱策11．abandon vt.放弃；遗弃；抛弃→abandoned adj.放纵的；堕落的12．target n．目标；靶；受批评的对象13．reflect vi.思考vt.映射；反射；思考→reflection n．映像；思考；反映14．aware adj.意识到的；知道的→awareness n．意识15．neat adj.(口)好的；整齐的；匀称的16．scare vt.恐吓vi.受惊吓→scared adj.恐惧的；害怕的→scary adj.引起恐慌的17．Antarctic adj.南极的18．awesome adj.使人敬畏的；令人畏惧的→awe n. & vt.敬畏；使畏惧；满心敬畏→awful adj.可怕的，吓人的，极度的，很糟的→awfully adv.极度地，十分地●重点短语1．in the meantime在此期间；与此同时2．be/become aware of 对……知道、明白；意识到……3．(be) scared to death 吓死了4．draw near靠近5．hold up阻挡6．help(...) out帮助(某人)摆脱困境或危难7．upside down上下翻转8．sort out整理；分类；收拾9．aim at 瞄准10．be about to do sth. 正要做某事Ⅰ.词汇短语过关1．witness n. 目击者；证人；证据vt. 当场见到；目击a witness to ……的目击者bear/give witness (to) 证明；作证call to witness 请……作证；传……作证witness to(doing) sth. 作证2．accommodation n. 住所；住宿，膳宿供应；(pl.) 提供便利的设备(或用具)；适应，调节accommodate vt. 向……提供住宿(或膳宿)；容纳，接纳，招待住宿；供应，供给；使适应，使适合，调节make accommodations for 为……提供膳宿book accommodation at a hotel 向旅馆预订房间arrange sb.‘s accommodation 给某人安排住处accommodate/adapt to 使……适应accommodate oneself to＝adapt oneself to 适应，顺应accommodate/supply sb. with 向某人提供方便3．urge vt.催促，力劝，强烈要求n．强烈的欲望，迫切要求urge on/upon sb....向某人极力陈述某事urge against...极力反对……urge sb. to do sth.催促某人做某事urge sb. into doing催促某人做某事urge that sb.(should) do sth.主张……；力劝……It is/was urged that...有人主张……have an urge to do sth.渴望做某事4．abandon vt. 放弃，遗弃，抛弃；使任凭……摆布n. 放任，放纵，狂放；无拘无束abandon sth./sb. to sb. 舍弃某物/人而被别人取得abandon sth. for sth. 舍弃某物去取另一物abandon oneself to sth. 沉湎于某事abandon sb. to the mercy of 听任某人由……摆布abandon smoking 戒烟abandon a project/plan 放弃一项方案/计划with abandon 放肆地；恣意地5．reflect vt. 映射；反射vi.&vt. 思考，反省，深思reflection n. 反射；反照；反映；映像reflect sb./sth. in sth. (指镜子等)映出某人/物的影像reflect sth. from sth. 从某物(表面)反射(光、热、声等) reflect on/upon sth. 思考某事be lost in reflection 陷入沉思中6．aware adj. 意识到的；知道的awareness n. 知道；认识；意识；兴趣be/become aware of sth. 意识到某事(aware 通常做表语) be/become aware that... 意识到……as far as I'm aware 据我所知make sb. aware of/that... 让某人知道……7．scare v. 恐吓，惊吓，害怕n. 惊吓，恐慌，恐惧scared adj. 害怕的；担心的scare sb. away/off 把某人吓跑/吓退scare sb. into doing sth. 威胁/恐吓某人做某事be scared of sb./sth. 害怕某人/某物be scared of doing sth. 害怕发生某事be scared to do sth. 害怕、恐惧做某事be scared that 害怕……(be) scared to death 吓得要死8．help out 帮(……)分担工作，帮(……)脱离困境help sb. with sth. 帮助某人干某事help (sb.) (to) do sth. 帮助(某人)干某事can't help to do 不能帮助干某事can't help doing 禁不住干某事can't help but do 只得，不得不help oneself to 随便吃/用……Ⅱ.重点句型详解1．“Come_on,_Clancy. To the boat，”．.. “快点，克兰西。
Unit 3Und er the seaⅠ.单词语境记忆1．clues from the witnesses来自目击者的线索2．opposite to the bus stop 公共汽车站对面3．a short pause in the conversation 在交谈中的短暂停顿4．drag him into trouble 把他拉入是非漩涡5．yell to show its anger 大喊大叫以示愤怒6．the boundaries of the football fields 足球场的边界7．in shallow water 在浅水区8．the steep mountain 陡峭的山崖Ⅱ.词性转换与派生记忆1．annual adj.每年的；按年度计算的→n.年刊；年鉴2．witness n．目击者；证人；证据→v t.当场见到；目击3．yell n．叫声；喊声→v i.大叫；呼喊4．giant adj.巨人的；巨大的→n.巨人；伟人5．accommodation n．住所；住宿→accommodate v t.提供住宿6．depth n．深(度)；深处→deep adj.& ad v.深的(地)→deeply ad v.深深地→deepen v．使加深；使强烈；变深7．urge v t.催促；极力主张；驱策→urgent adj.紧急的；迫切的8．abandon v t.放弃；遗弃；抛弃→abandoned adj.被遗弃的；放纵的9．relationship n．关系；血缘关系；交往→relate v．使有联系；叙述；涉及→related adj.有关系的；有关联的→relation n．关系；叙述10．conservation n．保存；保护→conserve v．保存；保护11．reflect v i.& v t.思考；映射；反射；思考→reflection n．反射；反映；映像12．aware adj.意识到的；知道的→awareness n．意识；认识13．sharp adj.锐利的；锋利的；敏捷的→sharpen v．削尖；磨快；尖锐；变锋利→sharpener n．铅笔刀；磨具14．tasty adj.好吃的；可口的→taste n．味道v．品尝→tasteless adj.无味的15．scare v t.恐吓v i.受惊吓→scared adj.恐惧的；害怕的→scary adj.恐怖的；可怕的Ⅲ.单词趣味串记1．Teamwork and team spirit are playing an important part in games.在比赛中协同合作和团队精神十分重要。
选修七U n i t3知识大总结(总7页)-CAL-FENGHAI.-(YICAI)-Company One1-CAL-本页仅作为文档封面，使用请直接删除2018-2019学年英语学科知识大总结教材：选修七章节：Unit3 Under the sea 审核：教研室【熟记知识/回归课本】词汇【答题模板/解题技巧】1. They urged that I ________(apologize) to him.2. When hearing the joke, she couldn’t help (laugh).3. He abandoned himself despair.【方法指导】1.(should) apologize 此题urge后面跟宾语从句，从句用虚拟语气，即谓语用should+动词原形，should可省略。
ughing. 此题can’t help doing sth.忍不住做某事。
3.to 此题abandon oneself to 纵情于【典题探究】1.James was afraid of _______________ (attack) by sharks.2. ________ (play)loud music in public is against the law in UK.3. I still remember (take) to the Famen Temple and what I saw there..【方法指导】1.being attacked此题考察v-ing的被动形式，吉姆害怕被鲨鱼攻击。
2.Playing 此题考察v-ing形式作主语。
3.being taken 此题考察v-ing形式做宾语。
remember doing sth.记得做过某事。
我仍然记得被带去法门寺。
【习题操练】1. ____________________ (accept) by the whalers, the killers were able to get a good feed from the whale.seemed the sea lion didn’t mind __________________ (photograph) with the tourists after all.3. （hit）by a car, he didn’t come to school yesterday.【习题精选】一．单词变形1.__________(v.)保存—___________(n.)保存2.__________(adj.)深的—______________(n.)深度3.________(v.)遗弃—_______ ___(n.)遗弃4.____________(vt.)恐吓—_____________(adj.)令人害怕的（adj.）受惊的5.____________(vt.)思考；反射—____________(n.)思考二．词语填空1. The boy was very ___________ (敏捷的) at physics.2. His strength was __________ .(令人畏惧的)2. Can we find _______________ (住所) at a hotel for tonight4. She has a very good ______________ (关系) with her classmates.5. The air in the forest is _________ (纯洁的) and cleaner than that in the city.三．单词的适当形式填空1. Energy (conserve) reduces your fuel bills and helps the environment.2. The book is full of amusing (anecdote) about his life in Japan.3. It was a simple but (taste) meal.4. She moved quietly to avoid (scare) the birds away.5. The driver had already (flee) the scene of the accident.四．句子改错1．Knowing that the little girl didn’t come to school, I can’t help wonder what happened to her. 2．He was scared to die of catching a disease.3．A truck came in an opposite direction of the car, so the car driver made a sharply turn.. 4．The government urged that every effort was made to bring down house prices..5．They abandon themselves to drink although they are drivers..6．Only you can help me out the difficulty.7．They suddenly became awareness of people looking at them.8．We are likely to finishing the task ahead of time9．His smoke caused the fire in the forest.10．He talked for twenty minutes, scarcely pause for breath.五．翻译（汉译英）1.我希望上医学院，这期间，我打算学化学。
选修七Unit 3 Under the Sea一、语言要点I1. annual adj. 每年的；按年度计算的/ n. 年刊；年鉴[重点用法]annually adv. 年年地, 每年地[典例]1) an annual income. 年收入2) an annual report年度报告2.witness n. 目击者；证人；证据vt. 当场见到；目击[典例]1) He is the witness to the accident. 事故的目击者2) This old auditorium has witnessed many ceremonies. 这个古老的礼堂内举行过许多次典礼[重点用法]give witness on behalf of sb. 为某人作证3.accommodation住所[重点用法]accommodate v. 向...提供, 容纳, 调和; 适应accommodation address临时通讯处accommodation allowance膳宿津贴[典例]1) The high cost of accommodation makes life difficult for students in London．由于住宿费用昂贵，伦敦的学生感到生活困难。
2) The university offers excellent accommodation for summer visitors．这所大学为夏季来访者提供了很好的住宿。
4.abandon vt. 放弃；遗弃；抛弃n．放任, 狂热[重点用法]abandon oneself to sth./doing sth. 沉溺于abandon …to sb．把……舍弃给…with abandon放任地；放纵地；纵情地[典例]1) They abandoned all hope of finding an effective way to solve the problem．他们放弃了寻找有效方法解决问题的所有希望。
2) We should keep off those who abandon themselves to drugs．我们要远离那些吸毒成瘾的人。
3) Don't waste the food left, and abandon it to the dog．不要浪费剩下的食物，把它舍弃给狗吃。
5.reflect vt. 映射；反射vi. & vt. 思考[重点用法]reflection n．反射；反映；思考；沉思reflective adj．反射的；反映的；沉思的reflect on v. 思考，反省[典例]1) Her severe look reflected how she really felt．她那冷峻的神情反映出她心中的真正感受。
2) Mirrors reflect light．镜子能反射光线。
3) I reflected on possible reasons for my failure．我仔细考虑导致我失败的种种原因。
[练习]用reflect的相关介词或正确形式填空.1)The moon appears a _______ surface of the lake．2)After a minute's _____，he answered．3)The plan ________ which he reflected was ridiculous．4)The problems ________ at discussion are to be dealt at tomorrow’s meeting.Keys: 1) reflective 2)reflection 3)on 4) reflected6.aware adj. 意识到的；知道的[重点用法]unaware不察觉的, 不知道的awareness n. 知道, 晓得be／become aware of sth．意识到某事be aware that-clause知道……；意识到……make sb．aware that-clause提醒某人注意……make sb．aware of…让某人注意到……[典例]1) He wasn't aware of the danger．他没有意识到危险。
2) Is she aware that I'm coming? 她知道我要来吗?注意：aware后跟名词性从句时，一般在从句前不能用of，但在what从句前必须用of。
[练习] 用恰当的介词或aware恰当的词性填空。
1) Also when you write your goals in a particular way you are able to make yourself continuously aware ______ situations that will bring you nearer to your goal．2)The principal didn’t seem to be aware_______ there should have been so much dispute about the decision．3) Health officials throughout the world have tried to make people raise______ about AIDS.4) Mike seems______ of the trouble he’s causing, ot herwise he would stop it．Keys: 1) of 2) that 3)awareness 4)unaware7.scare vt. 恐吓vi. 受惊吓[重点用法]scaring adj．令人害怕的；吓人的scared adj．受惊吓的；感到害怕的be scared of…(=be afraid of) 遇到…(某种事物或行为)而害怕be scared to do．··(=be afraid to do)不敢做……be scared to death吓死了[典例]1) You scared me by coming in so quietly．你这么悄悄地进来吓了我一跳。
2) Most girls are scared to light the firework.大多女孩不敢放烟花。
V 重点词组（旨在提供综合运用所需材料）1. sort out整理；挑出; 解决(问题／困难)[短语归纳]sort through 查看并挑选出put away 把……存放好[典例]1) I've sorted out the papers that can be thrown away．我已经把那些可以扔掉的报纸整理出来了。
2) We've got a few lime problems to sort out．我们有几个小问题要解决。
3) He was sorting through a pile of papers on his desk他在整理桌上的一堆文件。
2.help out 帮助……（摆脱困难或危难）；协助；使……脱离困境[短语归纳]help sb with sth帮助某人做某事with the help of在...的帮助下, 借助help oneself to请随便自己动手(夹菜吃、用……等)can't help doing sth禁不住can't help but do sth只得；不得不[典例]1) Can you help me out with the maths problem? 你能帮我解出这道数学题吗?2) Please help yourself to some fish．随便吃点鱼。
3) She can't help laughing．她忍不住大笑起来。
4) I can't help but wait．我只得等。
3.throw oneself out of 跃出[典例]1) The man suddenly threw himself out of the water and said“I'm here'’。
那个人突然跃出水面说“我在这儿”。
[短语归纳]throw oneself at冲向throw oneself into投身手；积极从事throw away扔掉throw up呕吐throw sb into prison把某人投入监狱；throw at对准向……扔去(希望击中)；throw to向……(方向)扔去4.upside down 上下翻转过来[短语归纳]inside out里面翻转过来的[典例]1) The naughty child is always turning everything in the room upside down．这淘气的孩子老是把房问的东西搞得乱七八糟。
2) He wore the sweatshirt inside out．他当时把运动衫反过来穿。
VI 重点句子（旨在提供句子结构等所需材料）1. It was a time when the killer whales, or “killers” as they were then called, helped the whalers catch thebaleen whales that were on their annual migration.那个时期，虎鲸（当时被称为“杀手”）帮助捕鲸人在每年须鲸迁徙时捕捉须鲸。
[解释]It was/is a time when 曾经一度（那时）[典例]1) It was a time when motorcars were rare. 那是汽车很罕见的时代。
2) It was a time when she could not bear the pain and wanted to kill herself.她曾经无法忍受病痛，想结束自己的生命。
2. I had already heard that George didn’t like being kept waiting, so even though I didn’t have the rightclothes on, raced after him.我早就听说过，乔治不喜欢等人，所以尽管我还没穿上捕鲸该穿的衣服，还是跟在他背后跑了起来。
[解释]even though=even if即使，即便（引导让步状语从句）[典例]1) We won’t give up even if we should ten times.即便我们失败十次，我们也不会失败。
