UNIT 2 WILDLIFE PROTECTION(课件)-【学而思·PPT课件分层练习】2024-2025学年高一英语必修2（人教版2019）

高频词汇精讲 Our planet's wildlife is dying out at an alarming rate.我们星球上的野生动物正以惊人的速度灭 绝。 (教材P14) 词汇拓展 ①alarm vt.使惊恐;使害怕;使担心 n.恐慌;警报;警报器;闹钟 sound the alarm发出警报 set the alarm for eight把闹钟定在八点 in alarm惊恐地 高频词汇 情景破 词汇 1 alarming adj.惊人的;使人惊恐的 第1讲　描述运动的基本概念 •She got lost in the forest and looked around in alarm.她在森林里迷路了,惊恐地四处张望。 ②alarmed adj.担心的;害怕的;恐慌的 be alarmed at/by...对……感到担心/害怕/恐慌 be alarmed to see/hear...因看到/听说……而恐慌 •We were alarmed at/by the alarming scream.我们对那令人惊恐的尖叫声感到恐慌。 •She was alarmed to hear that elephants were being hunted illegally for their valuable ivory.听 说大象因其珍贵的象牙正遭受非法猎杀,她感到恐慌。 易混辨析 单词 词义 用法 alarming 惊人的;使人惊恐的 常用来修饰事或物 alarmed 担心的;害怕的;恐慌的 常用来修饰人 第1讲　描述运动的基本概念 We must make people aware of the problem...我们必须让人们意识到这个问题……(教材P14) 情景导学 She ran to her mum and hugged her tightly, fully aware of her mum's love.她朝妈妈跑去,紧紧地 拥抱着她,充分意识到了妈妈的爱。    (读后续写·动作描写) When he became aware that the brake wasn't working, he looked pale and trembled all over with fear.当他意识到刹车失灵后,他吓得脸色苍白,浑身发抖。    (读后续写·神态描写) As far as I am aware, the invitations to the party have all been sent.据我所知,派对的邀请函已经 全部发出了。 用法归纳 ①(be) aware 　　    ...意识到…… 词汇 2 aware adj.知道;发觉;有……意识的 of 第1讲　描述运动的基本概念 ②be/become aware that...意识到…… ③as far as I am aware　　　　　     词汇拓展 ①awareness n.意识;知道 raise one's awareness of...提高某人对……的意识 •It is very important to raise people's awareness of the wildlife protection.提高人们对野生动物 保护的意识是非常重要的。 ②unaware adj.没意识到;不知道 据我所知 第1讲　描述运动的基本概念  I'm concerned about the African elephants.我很担心非洲象。(教材P15) 情景导学 My classmates and I are very concerned about/with paper-cutting.我和我的同班同学对剪纸非 常感兴趣。    (写作·传统文化) Parents and teachers in China are concerned about/for teenagers' addiction to video games.中国 的家长和老师都很担心青少年对电子游戏上瘾的问题。(Global Times) As far as I am concerned, you should mind your behavior during the meal.在我看来,用餐时你应 该注意自己的行为举止。    (写作·餐桌礼仪) 用法归纳 ①be concerned 　　    /　　    ...对……关切/关注/感兴趣 词汇 3 concerned adj.担心的;关切的 about with 第1讲　描述运动的基本概念 ②be concerned　　    /　　    /that... 担心…… ③　　　 　　　　　　　　    就……而言 词汇拓展 ①concern n.担心,忧虑;关心 v.涉及;让……担忧 show/express concern about/for/over.../+that... 对……表示担心/关心 be concerned with...与……有关;涉及…… ②concerning prep.关于 特别提醒 concerned用作前置定语时,表示“担心的;忧虑的”;用作后置定语时,表示“有关的;有牵连的”。 •The concerned doctor rang the leader concerned.这位忧心忡忡的医生给相关领导打了个电话。 about for as far as...be concerned 第1讲　描述运动的基本概念 Elephants need large living spaces, so it's difficult for them to adapt to the changes.大象需要巨 大的生存空间,所以对它们来说适应这些变化是很困难的。 (教材P15) 情景导学 You should be able to work well in a team and adapt to an international working environment.你 应该能够在团队中很好地工作,并适应国际化的工作环境。 (2021北京) To begin with, I haven't fully adapted myself to the new environment.首先,我还没有使自己充分 适应新环境。 The film is adapted from a play of the same title.这部电影改编自一出同名的戏剧。 Three of her novels have been adapted for television dramas.她的长篇小说中有三部已经被改 编成电视剧。 词汇 4 adapt vi.适应 vt.使适应;使适合;改编;改写 第1讲　描述运动的基本概念 用法归纳 ①adapt　　    ...适应…… ②adapt oneself 　　    ...使某人自己适应…… ③be adapted　　    ...被改编成…… ④be adapted　　    ...改编自…… 特别提醒 在“adapt to...”和“adapt oneself to...”中, to均为介词,其后要跟名词、代词或动名词。 词汇拓展 ①adaptation n.改编本;改写本;适应 ②同义词:adjust v.适应;(使)习惯 to to for from 第1讲　描述运动的基本概念 What measures are being taken to help them?正在采取什么措施来帮助它们呢? (教材P15) 情景导学 What I want to stress is that we should take effective measures to protect endangered animals.我 想强调的是,我们应该采取有效的措施来保护濒危的动物。    (写作·保护动物) Friendship can't be measured by money.友谊不能用金钱来衡量。    (写作·友谊) You don't have to measure yourself against the perfect standard.你不必把自己和完美的标准相 比较。 用法归纳  ①take 　 　    to do sth.采取措施做某事(=take steps/action to do sth.)  ②be measured 　　    ...用……来衡量 ③measure...　　     ...将……与……作比较 词汇 5 measure n.措施;方法 vt.测量;度量;估量 measures by against 第1讲　描述运动的基本概念 特别提醒 measure还可以表示“(指尺寸、长短、数量等)量度为”,是系动词,后跟测量结果,不用于被 动语态及进行时。有类似用法的单词还有weigh(重量为)。当它们作后置定语时,要使用现 在分词形式。 •The swimming pool measures about 2 metres across.这个游泳池宽约两米。 • The new bridge under construction, measuring twice as long as the old one, is due to be com- pleted in 2025.正在建造的新桥是旧桥的两倍长,预计2025年完工。 第1讲　描述运动的基本概念 What do you know about the Tibetan antelope and the Changtang National Nature Reserve?你对 藏羚羊和羌塘国家级自然保护区了解多少? (教材P16) 情景导学 I'd like to reserve a table for four for eight o'clock.我想预订八点钟供四人用餐的桌位。 If you are to have an important exam, you'd better prepare one more pen in reserve.如果你将要 参加一场重要的考试,你最好多准备一支笔备用。    (写作·建议信) Some people think best friends should share all their secrets with one another without reserve while others don't think so.一些人认为最好的朋友之间应该毫无保留地分享彼此所有的秘密, 而另一些人则不这么认为。    (写作·观点论述) 词汇 6  reserve n.(动植物)保护区;储藏(量);谨慎 vt.预订;预留;保留 第1讲　描述运动的基本概念 用法归纳  ①nature reserve自然保护区 ②　　     reserve储备,备用 ③with/　 　     reserve谨慎地/毫无保留地  ④reserve sth. 　　    ...为……预订某物;为……保留某物 ⑤reserve a room/ticket预订房间/票 词汇拓展 ①reservation n.预订;预约;保留意见 make a reservation= make reservations预订;预约 without reservation毫无保留地 ②reservoir n.储备,储藏;水库,蓄水池 ③reserved adj.内向的;寡言少语的;矜持的 in without for 第1讲　描述运动的基本概念 On the plain in front of us, we can just make out a herd of graceful animals.放眼平原,我们隐约 看到一群体形优美的动物。(教材P16) 词汇拓展 ①make sense有意义;有道理;讲得通 ②make it获得成功;(尤指在困难情况下)准时到达;能够出席;幸免于难 •If you follow my advice, I believe you will make it.如果你遵循我的建议,我相信你会获得成 功。    (写作·提供建议) ③make use of利用 ④make up构成;组成;补上(失去的东西);编造;化妆 ⑤be made up of...由……组成 词汇 7 make out 看清;听清;分清 第1讲　描述运动的基本概念 ⑥make up for弥补;补偿 ⑦make a difference(to/in...)(对……)有影响;起作用 •Reading does make a difference to a person, and it is beneficial to us in many aspects.阅读的 确会对一个人产生影响,它在很多方面对我们有益。 第1讲　描述运动的基本概念 I'm also reminded of the danger they were in.我也想到了它们所处的险境。(教材P16) 情景导学 The Dragon Boat Festival is also a festival that reminds us of/about Qu Yuan, an ancient patriotic poet.端午节也是一个让我们想起屈原——一位古代爱国诗人的节日。    (写作·节日介绍) Mother reminded me to keep the famous saying in mind, “Where there is a will, there is a way.”妈妈提醒我要牢记这句名言:“有志者,事竟成。”    (读后续写·主题升华) Her dad reminded her that sugary treats were bad for her teeth.她爸爸提醒她,甜食对她的牙齿 有害。 (2019北京) 用法归纳 ①remind sb.　　    /　　     ...使某人想起…… 词汇 8 remind vt.提醒;使想起 of about 第1讲　描述运动的基本概念 ②remind sb.　　     sth.提醒某人做某事 ③remind sb. that...提醒某人…… 词汇拓展 reminder n.引起回忆的事物;提醒人的事物;(告知该做某事的)通知单,提示信 to do 第1讲　描述运动的基本概念 The antelope population has recovered...藏羚羊的数量已经恢复…… (教材P16) 情景导学 The girl soon recovered herself and dried her eyes.这个女孩很快镇定下来,擦干了眼泪。    (读 后续写·动作描写) It can take much time to recover from the death of a loved one.从心爱的人去世的痛苦中恢复过 来可能要花很多时间。 The police finally recovered the stolen car from the thief.警察最终从盗贼那里找回了被盗的汽 车。 用法归纳 ①recover 　　    ...从……中恢复过来 词汇 9 recover vi.恢复;康复 vt.找回;寻回;恢复;重新获得 from 第1讲　描述运动的基本概念 ②recover oneself 　　　　　     ③recover...　　    ...从……找回/寻回…… 词汇拓展 recovery n.恢复;痊愈;复苏 make a recovery from...从……中恢复过来 镇定下来 from 第1讲　描述运动的基本概念 The antelope population has recovered and in June 2015,the Tibetan antelope was removed from the endangered species list.藏羚羊的数量已经恢复,2015年6月,藏羚羊从濒危物种的名单 上被移除了。 (教材P16) 情景导学 She has been removed from her position as director.她已经被免去了主管职务。 When fat and salt are removed from food, the food tastes as if it is missing something.将脂肪和 盐分从食物中去除后,食物尝起来就好像缺失了什么东西。 用法归纳 ①remove sb.　　    ...免除某人的……职务 ②　　 　　　    把……从……移走/去除 词汇 10 remove vt.去除;移开;脱去;免职 from remove...from... 第1讲　描述运动的基本概念 情景助记   词汇拓展 ①removable adj.可移动的;可去除的;可取出的;可拆卸的 ②removal n.移动,调动;去除;清除;免职;搬迁 第1讲　描述运动的基本概念   intend vi.& vt.打算;计划;想要 　　The government, however, does not intend to stop the protection programmes...然而,政府并 没有打算停止这些保护项目…… (教材P16) 情景导学 I intend to take/taking full advantage of this trip to buy the things we need.我打算充分利用这次 旅行来购买我们所需的物品。 His father intended him to study medicine but he decided to join the army.他父亲打算让他学医, 但他决定参军。 The activity is intended to educate the public to protect the environment.这一活动旨在教育公众 保护环境。    (写作·环境保护) This book is intended for primary and middle school students aged between 6 and 18.这本书是供 词汇 11 第1讲　描述运动的基本概念 6岁至18岁的中小学生用的。 用法归纳 ①intend 　　    /　　     sth.打算做某事,计划做某事 ②intend sb. 　　    sth.想让某人做某事 ③be intended　　    ...为……打算(或设计)的 ④be intended 　　    sth.为做某事而打算(或设计)的 词汇拓展 ①intention n.打算;目的;意图 the intention to do sth.做某事的打算 with the intention of...目的是…… •Knowing that you are interested in traditional Chinese culture, I am writing with the intention to do doing to do for to do 第1讲　描述运动的基本概念 of inviting you to join our club.得知你对中国传统文化感兴趣,我写信的目的是邀请你加入我 们的俱乐部。    (写作·邀请信) ②intentional adj.故意的;有意的;存心的 ③intentionally adv.故意地;存心地 •He kept his statement intentionally vague.他故意含糊其词。 第1讲　描述运动的基本概念 exist vi.存在;生存 Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.只有当我们学会和自然和谐共存,我们才不会成为野生动物和我们的星球的威 胁。 (教材P16) 情景导学 Although difficulties exist in our everyday life,we shouldn't be afraid of them.虽然困难存在于我 们的日常生活中,但是我们不应该害怕它们。    (读后续写·主题升华) You can't imagine what difficulty they have existing on the little money he's earning.你无法想象 他们靠他挣的那点钱生活有多困难。 用法归纳 ①exist 　　    ...靠……生活/生存 词汇 12 on 第1讲　描述运动的基本概念 ②exist 　　    ...存在于……中 特别提醒 exist是不及物动词,不用于被动语态和进行时。 词汇拓展 ①existence n.存在;生活 in existence现存的,存在的 come into existence(=begin to exist/come into being)产生;开始存在 •There are many theories about how the universe came into existence.关于宇宙是如何产生的 有很多种理论。 ②existing adj.现行的;现存的 •New laws will soon replace existing legislation.新法律即将取代现行法规。 in 第1讲　描述运动的基本概念 reduce vt.减少 　　It is reported that living spaces for wildlife are being reduced due to the cutting of trees.据报 道,由于砍伐树木,野生动物的生存空间正在减少。 (教材P18) 情景导学 They were reduced to begging in the streets.他们沦落到沿街乞讨。 I bought this shirt because its price was reduced from $20 to $10.我买这件衬衫是因为它的价格 从20美元降到了10美元。 The use of green power will reduce carbon dioxide emissions by 20.4 million tons each year in the city.绿色能源的使用将使这个城市的二氧化碳排放量每年减少2,040万吨。 They worked extremely hard to avoid being reduced to poverty.他们极其努力地工作,以避免陷 入贫困。 词汇 13 第1讲　描述运动的基本概念 用法归纳 ①reduce...　　    ...将……减少了…… ②reduce...(from...)　　    ...将……(从……)减少到…… ③reduce...(from...)　　    (doing)...使陷入窘境或(更坏的)境地;使沦落 (常用被动语态) 特别提醒 reduce意为“减少”时,同义词是decrease,反义词是increase(增加)。这两个词与reduce的用法 一样,后接介词to时表示增减的结果,接介词by时表示增减的幅度。 词汇拓展 reduction n.减少,缩小 •The reduction in unemployment makes the leader very relieved.失业人数的减少使这位领导 人深感宽慰。 by to to 第1讲　描述运动的基本概念 情景助记   They reduced the trees by 50%.   They reduced the trees to three. 第1讲　描述运动的基本概念 词汇 释义 用法&拓展 illegal adj.不合法的;非法的  legal adj.合法的;法律允许的 illegally adv.不合法地;非法地 be traded illegally被非法交易(2020全国Ⅲ) il-表示“不,无,非”。如:illogical不合逻辑的 hunt vt.& vi.打猎;搜寻; 追捕 n.搜寻;搜索;打猎 hunt for搜寻;追捕 hunter n.猎人 hunting n.狩猎运动;打猎 go hunting去打猎 高频词汇积累 第1讲　描述运动的基本概念 die out 灭亡;逐渐消失 die of/from死于　die away逐渐减弱;逐渐消失 die down逐渐变弱;逐渐平息 　die off相继死去 rate n.速度;(比)率 vt.划分等级 at a rate of...以……速度;以……比率 at a much slower rate 以更慢的速度(2020浙江) the birth/death rate出生率/死亡率 a high/low rate of unemployment高/低失业率 a high success/failure rate很高的成功/失败率 rating n.等级;级别 第1讲　描述运动的基本概念 mass adj.大量的;广泛的 n.大量;堆;群 a mass/masses of许多;大量 a mass audience一大批观众(2019全国Ⅲ) massive adj.大而重的;巨大的 average n.平均数;平均水平 adj.平均的;正常的;普通的 on average平均 an average of...平均为…… above/below average高于/低于平均水平 observe vt.观察(到);注视;评论(生义); 遵守;庆祝(生义) observe sb. do/doing sth.注意到某人做了/正在做某事 observe that...发现…… observe the law遵守法律 observe the New Year 庆祝新年 observer n.观察员　observation n.观察 第1讲　描述运动的基本概念 attack n.& v.攻击;抨击 under attack受到攻击/抨击 the attack on sb.对某人的攻击/抨击 a heart attack心脏病发作(2022新高考Ⅱ) attacker n.攻击者 effective adj.有效的; 生效的 a powerful and effective tool一个强大而有效的工具(2020北京) effect n.影响;效果;作用 effectively adv.有效地  ineffective adj.无效的 第1讲　描述运动的基本概念 threat n.威胁;构成威胁的人;形成威胁的事物 a threat to sb./sth.对某人/某物的威胁 under threat受到威胁 threaten v.威胁;危及;恐吓 threaten to do sth.威胁要做某事 threaten sb. with sth.用某事威胁某人 due to 由于,因为  because of由于　owing to由于 on account of由于　thanks to幸亏;由于 as a result of 由于 第1讲　描述运动的基本概念  This/That is why...这/那就是……的原因 This is why we're here—to observe Tibetan antelopes.这就是我们来到此地的原因——观察藏 羚羊。 (教材P16) 情景导学 I got caught in unexpected traffic on the way to the basketball court. That was why I wasn't able to play basketball with you on time. →I wasn't able to play basketball with you on time. That was because I got caught in unexpected traffic on the way to the basketball court. → The reason why I wasn't able to play basketball with you on time was that I got caught in un- expected traffic on the way to the basketball court. 我不能按时和你一起打篮球的原因是,在去篮球场的路上,我遇到了意想不到的交通堵塞。 经典结构 情景破 结构 1 第1讲　描述运动的基本概念 用法归纳 ①This/That is/was why... 这/那就是……的原因,why引导表语从句,其引导的内容表示 　        。 ②This/That is/was because...这/那是因为……,because引导表语从句,其引导的内容表示 　        。 ③The reason why... is/was that...……的原因是……,why引导定语从句并在从句中作状语;that 引导表语从句,其引导的内容表示　　    。 结果 原因 原因 第1讲　描述运动的基本概念 “only+状语(副词/介词短语)/状语从句”位于句首的倒装 Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.只有当我们学会和自然和谐共存,我们才不会成为野生动物和我们的星球的威 胁。 (教材P16) 情景导学 Only then did I realize that learning English well is so important.直到那时我才意识到学好英语 是那么重要。 Only in this way can we succeed in reducing our carbon footprint.只有用这种方法,我们才能成 功地减少我们的碳足迹。    (写作·环境保护) Only when they arrived home safe and sound did we sigh with relief.只有当他们平安到家,我们 才轻松地舒了一口气。    (读后续写·心理描写) 结构 2 第1讲　描述运动的基本概念 用法归纳 当“only+状语(副词/介词短语)/状语从句”置于句首时,句子/主句要用　　    语序,即把助 动词或情态动词提到句子/主句主语的前面。 特别提醒 “only+名词/代词”作主语时,句子不倒装。 •Only she can finish the work in an hour.只有她能在一小时内完成这项工作。 倒装 第1讲　描述运动的基本概念 Sentence 1 译文　然而,政府并没有打算停止这些保护项目,因为对藏羚羊的威胁依然存在。 长难句 图解 打算做某事 原因状语 第1讲　描述运动的基本概念 Sentence 2 译文　只有当我们学会和自然和谐共存,我们才不会成为野生动物和我们的星球的威胁。 倒装 第1讲　描述运动的基本概念 Sentence 3 译文    当谈到野生动物保护时,所有物种——好的、坏的和丑的——都应该得到平等的对 待。 当谈到……时 第1讲　描述运动的基本概念 Sentence 4 译文　为了让人们有更多的纸而让动物无家可归对吗? 目的状语 第1讲　描述运动的基本概念 现在进行时的被动语态 一、 现在进行时的被动语态的含义 现在进行时的被动语态表示现在或现阶段正在进行或发生的被动动作,强调主语是动作的承 受者。 二、现在进行时的被动语态的构成 情景导学 Some trees in the park are being cut down.公园里的一些树正在被砍倒。 The engineer is not being treated fairly.这位工程师没有被公平地对待。 Are those endangered animals being protected now? 那些濒危的动物现在正在被保护吗? Who is being trained for the coming English speech contest?为了即将到来的英语演讲比赛,谁正在被培训? 必备语法 情景破 第1讲　描述运动的基本概念 用法归纳   主语+am/is/are+not being done Am/Is/Are+主语+being done? 第1讲　描述运动的基本概念 三、现在进行时的被动语态的用法 情景导学 He is being treated in China now.他现在正在中国接受治疗。 A party is being held tonight.今晚将要举行一场联欢会。 Tom is always being praised by the teacher.汤姆总是被这位老师表扬。 He may be being interviewed by reporters at the moment.他此刻可能正在被记者们采访。 Preparations are being made for the activity in our school.在我们学校,(人们)正在为这场活动做 准备。 用法归纳 1.表示说话时③　　　　    的被动动作,句中常有now、at the moment等时间状语。 2.表示现阶段正在进行的被动动作(说话时不一定在进行)。 3.表示按计划、安排主语将要承受的动作(仅限于少数及物动词)。 正在进行 第1讲　描述运动的基本概念 4.表示说话者的赞扬、羡慕、厌恶等感情色彩,常与④　　     、constantly、forever等词连 用。 5.与某些情态动词连用,表示对正在发生的动作的⑤　　    。 四、使用现在进行时的被动语态应注意的问题 情景导学 Look! The children are being taken care of by their aunt.瞧!孩子们正由他们的姨妈照看着。 The plan is under discussion (= is being discussed) at present.这个计划现在正在被讨论。 　　The telephone is in use (= is being used) now.这部电话现在正在使用中。 The book belongs to him.这本书属于他。 用法归纳 1.含有介词的动词短语用于现在进行时的被动语态时,其中的⑥　　　　     不可省略。 2.“be (am/is/are)+under/in+n.”结构有时可相当于现在进行时的被动语态。 always 推测 介词 第1讲　描述运动的基本概念 3.一些表示状态、拥有等的动词(短语),如stay、have、belong to等不用于现在进行时的被动 语态。 第1讲　描述运动的基本概念 即时巩固 Ⅰ.单句语法填空 1.My washing machine 　　　     (repair)this week, so I have to wash my clothes by hand. 2.He may 　　 　　    (scold) by his father at the very moment. 3.Since your bike 　　　     (fix),you can use mine. 4.We have to hold the meeting in the small hall because the meeting room that we planned to use 　　　　     (decorate). 5.Currently, about 35,000 works 　　 　　    (display) in over 300 rooms in the Louvre (卢浮宫), and it is a good chance to see everything amazing! is being repaired be being scolded is being fixed is being decorated  are being displayed 第1讲　描述运动的基本概念 Ⅱ.完成句子 1.这些天,许多有趣的实验正在被进行。 Many interesting experiments 　　　　　　　　　　　    these days. 2.杰克很淘气。他总是被老师处罚。 Jack is very naughty. He 　　　　　　　　　　　　     by the teacher. 3.These high-tech products are on display these days.(句型转换) →These high-tech products 　　　　　　　　　　　    these days. 4.The castle is under attack at the moment. (句型转换) →The castle 　　　　　　　　　   at the moment. are being carried out is always being punished are being displayed is being attacked 第1讲　描述运动的基本概念 $$