UNIT 2 Period 2 Reading and Thinking-【优学精讲】2025-2026学年高中英语必修第二册教用课件（人教版）

该高中英语课件围绕“藏羚羊保护”语篇展开，涵盖精读理解、语基落实、创意课堂及即时检验，通过主旨题、细节题、段落结构分析搭建学习支架，帮助学生从语篇理解逐步过渡到语言知识应用。 其亮点在于融合语言能力（长难句分析、语法填空）、思维品质（讨论题设计、结构逻辑梳理）和学习能力（词汇拓展、自主检测），如“only+状语”倒装句讲解结合写作应用，既巩固语法又培养表达逻辑，教师可借助系统练习与创意活动提升教学效率，学生能在语境中深化语言理解与跨文化环保意识。

Period 2　Reading and Thinking 1 〈教材助读＋语基默写〉见分册本 精读课文 语篇理解 1 自查语基 知能落实 2 内 容 索 引 创意课堂 点面突破 3 课堂微练 即时检验 4 精读课文 语篇理解 PART 01 第一部分 What does the passage mainly talk about? A．The Changtang National Nature Reserve. B．The protection of Tibetan antelopes. C．The population of Tibetan antelopes. D．Some volunteers on the mountain. √ 返回导航 observe plains works smaller 返回导航 答案：1.　2.　3.　4. 5．　6. gates species list 返回导航 1．What makes large numbers of antelopes being hunted? A．Their fur is very profitable. B．They are a threat to other wildlife. C．Their meat is delicious. D．They are beautiful. √ 返回导航 2．What took place after the government took protective measures? A．The habitat area of the Tibetan antelopes has expanded a lot. B．The population of the Tibetan antelopes has recovered. C．The Tibetan antelopes are still listed as an endangered animal. D．The threats to the Tibetan antelopes have disappeared. √ 返回导航 3．According to the passage, what are we supposed to do to save the earth? A．We must try our best to protect wildlife. B．We must do more in environmental protection. C．We have to change our way of life and live in harmony with nature. D．We have to remove all the threats to wildlife. √ 返回导航 4．What is the author's attitude towards the wildlife protection? A．Negative.　　 B．Supportive. C．Doubtful. D．Unclear. √ 返回导航 1．To our left，snow-covered mountains disappear into clouds that seem almost close enough to touch.(Para.1) [分析]　此句是复合句。句中To our left作________；that引导________从句，修饰先行词clouds，在从句中作________，可以替换为________。 [翻译]　在我们的左边，白雪皑皑的群山消失在似乎触手可及的云层中。 状语 定语 主语 which 返回导航 2．Their habitats were becoming smaller as new roads and railways were built.(Para.4) [分析]　此句是复合句。“Their habitats were becoming smaller”是主句，as引导__________从句。 [翻译]　随着新公路和铁路的修建，它们的栖息地不断缩小。 时间状语 返回导航 3．The government, however, does not intend to stop the protection programmes，since the threats to the Tibetan antelope have not yet disappeared.(Para.6) [分析]　此句是复合句。intend to do sth.意为“____________________”；since引导__________从句；the threats to意为“____________________”。 [翻译]　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。 计划、打算做某事 原因状语 对……的威胁 返回导航 4．Much is being done to protect wildlife, but if we really want to save the planet, we must change our way of life.(Para.7) [分析]　此句是并列复合句。is being done是____________________；but为并列连词，表__________；if引导__________从句。 [翻译]　我们在保护野生生物方面做了很多工作，但是，如果我们真的想拯救地球，就必须改变我们的生活方式。 现在进行时的被动语态 转折 条件状语 返回导航 5．Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet.(Para.7) [分析]　此句是复合句。“only＋状语”置于句首，主句用__________，即把助动词、系动词、情态动词放在主语_____；exist in harmony with意为“____________________”。 [翻译]　只有当我们学会与大自然和谐相处时，我们才不会成为野生生物和地球的威胁。 部分倒装 前面 与……和谐相处 返回导航 To observe Tibetan antelopes, we come to Xizang.There we make out 1. ____________ herd of graceful animals and I'm struck by their beauty.I 2. ____________(remind) of the danger they were in.They were hunted, 3. ____________(illegal), for their valuable fur. a am reminded illegally 返回导航 To protect them, the Changtang National Nature Reserve was set up，4. ____________ has become a shelter for the animals and plants of northwestern Xizang. which 返回导航 In the 1980s and 1990s, the population of the Tibetan antelope dropped sharply because of being shot to make profits and the loss of 5. ____________ (they) habitats.In order to prevent this species from 6. ____________ (extinct)，the Chinese government took effective 7. ____________ (measure) to place it under national protection.Its population has recovered and it was removed from the 8. ____________ (endanger) species list.However，the government doesn't intend 9. ____________ (give) up the protection programmes.To save wildlife, we should learn to exist 10. _______ harmony with nature. their extinction measures endangered to give in 返回导航 1．Why is it important to protect wild animals? ________________________________________________________________________________________________________________________ 2．What do we need to do to protect wildlife? ________________________________________________________________________________________________________________________ 答案：Open answers. 返回导航 自查语基 知能落实 PART 02 第二部分 Ⅰ.阅读词汇·识记 选出与单词对应的汉语释义 1．fin n.　　　 A．毛(皮)；毛皮衣服 2．prince n. B．羚；羚类动物 3．antelope n. C．(鱼的)鳍 4．herd n. D．神圣的；受尊敬的 5．fur n. E．牧群；兽群 6．sacred adj. F．王子；王孙；亲王 答案：1～5.CFBEA　6.D 返回导航 Ⅱ.核心词汇·练通 根据语境及汉语提示写出正确的单词 1．put up a ________ 　　　 张贴海报 2．a rare ________ 一个稀有物种 3．________ production 批量生产 4．the destruction of wildlife ________ 野生生物栖息地 的破坏 poster species mass habitat 返回导航 5．an ________ price 平均价格 6．all ________ things 所有生物 7．an effective ________ 一项有效措施 8．in a position of ________________ 当权 9．________ migration 鲸鱼迁徙 10．a wildlife ________ 野生生物保护区 11．the wide________ 广阔的平原 12．________ an arrow 射箭 average living measure authority whale reserve plain shoot 返回导航 13．an increase in ________ 利润的增长 14．protect them from being ________ 保护它们不受袭击 15．___________ her sunglasses 摘掉她的墨镜 16．expensive ___________ 昂贵的商品 17．respect all ___________ 尊重所有生物 profits attacked remove goods creatures 返回导航 Ⅲ.拓展词汇·用活 根据提示写出相应的单词 1．___________ [I'liːɡl] adj.不合法的；非法的→illegally adv.不合法地；非法地→(反义词)legal adj.合法的→legally adv.法律上；合法地 2．___________ [hʌnt] vt.& vi. 打猎；搜寻；追捕→hunter n．猎人→hunting n．打猎 3．___________ [I'miːdiətli] adv.立刻→immediate adj.立刻的；立即的 illegal hunt immediately 返回导航 4．___________ [ə'lɑːmIŋ] adj.惊人的；使人惊恐的→alarm vt.使惊恐；使害怕；使担心 n．恐慌；警报；警报器→alarmed adj.担忧的；恐慌的 5．___________ [reIt] n．速度；(比)率 vt.划分等级→rating n．等级；级别 6．___________ [Ik'stIŋkt] adj.已灭绝的→extinction n．灭绝 7．___________ [ə'weə(r)] adj.知道；发觉；有……意识的→awareness n．意识；认识 alarming rate extinct aware 返回导航 8．___________ [In'deIndʒə(r)] vt.使遭受危险；危害→endangered adj.濒临灭绝的 9．___________ [kən'sɜːn] vt.涉及；让……担忧 n．担心；忧虑；关心→concerned adj.担心的；关切的→concerning prep.关于；有关；涉及 10．___________ [ə'dæpt] vi.适应vt.使适应；使适合→adaptable adj.适应性强的，能适应的→adaptation n．适应；改编；改编本 endanger concern adapt 返回导航 11．_________ ['preʃə(r)] n．压力；要求→press v．压；挤；催促 12．_________ [əb'zɜːv] vt.观察(到)；注视；遵守→observation n．观察；观测 13．_________ ['bjuːti] n．美；美人；美好的东西→beautify vt.使美丽→beautiful adj.美丽的 14．_________ [rI'maInd] vt.提醒；使想起→reminder n．提醒物 15．_________ [I'fektIv] adj.有效的；生效的→effect n．影响；结果；效应 pressure observe beauty remind effective 返回导航 16．_________ [rI'kʌvə(r)] vi.恢复；康复 vt.找回；寻回→recovery n．恢复 17．_________ [In'tend] vi.& vt. 打算；计划；想要→intention n．目的；意图→unintended adj.非计划的；无意的 18．_________ [θret] n．威胁→threaten vt.威胁；危及→threatening adj.威胁的；恐吓的 19．_________ [Iɡ'zIst] vi.存在；生存→existence n．存在→existing adj.现存的 20．_________ ['hɑːməni] n．和谐；融洽→harmonious adj.和谐的；融洽的 recover intend threat exist harmony 返回导航 Ⅳ.重点短语·再现 根据语境及汉语提示填入合适的短语 1．I am wondering why _____________ (究竟) he has chosen such a house to live. 2．If we continue destroying these animals' habitats, they will _____________ (灭亡)and we will never see them again. 3．In fact, most fishermen _____________ (意识到) the danger of overfishing. on earth die out are aware of 返回导航 4．_____________ (平均)，students should take exercise for an hour every day to keep healthy. 5．Just as the saying goes, a man who is satisfied with his present life will never _____________ (取得进步). 6．My son was not familiar with the route，so I __________________________ (为……担忧) his safety. On average make progress was concerned about 返回导航 7．By comparison，he is better at _____________ (适应) the new life in this big city. 8．Although he was _____________ (承受压力) to finish the project on time, he remained calm and focused. 9．I had trouble _____________ (看清) what was going on due to complete darkness. adapting to under pressure making out 返回导航 10．What Mary did _____________ (使我想起) a famous saying: A friend in need is a friend indeed. 11．The kind volunteer promised to _____________ (照管)the students during the field trip. 12．The trainer was so worried about the wounded dolphin that she _____________ (照管) it _____________ (夜以继日). reminded me of watch over watched over day and night 返回导航 Ⅴ.重点句型·呈现 根据课文语境及汉语提示补全句子 1．“This/That is/was why...”意为“这/那就是……的原因。” ___________________________ (这就是我们来到此地的原因)—to observe Tibetan antelopes.(Para.1) 2．动词-ing形式作状语 ____________________________________________________ (看着它们缓缓穿过绿色的草地), I'm struck by their beauty.(Para.2) This is why we're here Watching them move slowly across the green grass 返回导航 3．动词-ing形式作主语 To Zhaxi, the land is sacred and __________________________ (保护野生生物) is a way of life.(Para.3) 4．as引导时间状语从句 Their habitats were becoming smaller ________________________________ (随着新公路和铁路的修建).(Para.4) protecting the wildlife as new roads and railways were built 返回导航 5．“only＋状语”置于句首引起部分倒装 ___________________________________________________________________ (只有当我们学会与大自然和谐相处时，我们才不会成为威胁) to wildlife and to our planet.(Para.7) Only when we learn to exist in harmony with nature can we stop being a threat 返回导航 创意课堂 点面突破 PART 03 第三部分 aware adj.知道；发觉；有……意识的 【经典例句】 (教材P14)We must make people aware of the problem and help protect the endangered wildlife before it's too late! 我们必须趁现在还来得及让人们意识到这个问题，帮助保护濒临灭绝的野生生物！ 返回导航 (1)(be/become) aware of 意识到；知道 be aware that... 意识到……；知道…… as far as I'm aware 据我所知 (2)awareness n. 意识；认识 raise/improve/develop one's awareness of... 提高/培养某人……的意识 返回导航 【单句语法填空/完成句子/词汇升级】 (1)In a word，people all over the world should be well aware _______ the importance of preserving the habitats of endangered animals. (2)As a member of society, I am aware _______ being responsible is essential to build a better society. of that 返回导航 (3)World Oceans Day, falling on June 8th, is aimed at raising people's ___________ (aware) of ocean conservation. (4)据我所知，尚无人对此采取任何措施。 _____________________, nobody has done anything about it. (5)Through the activity we realise the importance of carrying out a low-carbon economy. →It is through the activity that we ______________ the importance of carrying out a low-carbon economy.应用文写作之环境保护 awareness As far as I'm aware become aware of 返回导航 average n.平均数；平均水平adj.平均的；正常的；普通的 vt.平均为；计算平均值 【经典例句】 ①(教材P14)How many elephants are killed on average every day? 每天平均有多少头大象被杀？ ②(译林必修二U2)In general, you should have your meal an average of 1.5 to 2.5 hours before exercising.　一般情况下，你应该在饭后平均1.5到2.5小时后再锻炼。 返回导航 (1)an average of　　　　 平均有(后跟数词) (2)on (the) average 平均；通常 above/below (the) average 在平均水平以上/以下 up to (the) average 达到平均数；达到一般水准 返回导航 【单句语法填空/完成句子】 (1)He doesn't have effective learning methods，so his grade is __________ the average in his class. (2)All students in this school are required to run for 20 minutes every day __________ average.应用文写作之学校生活 (3)我们的英语老师教学方法很有吸引力，所以他的教学成绩在平均水平以上。 Our English teacher has attractive teaching methods，so his teaching achievements are ____________________．应用文写作之人物介绍 below on above (the) average 返回导航 concern vt.涉及；让……担忧 n．担心，忧虑；关心 【经典例句】 ①(教材P15)I'm concerned about the African elephants.　我担心非洲大象。 ②(译林必修一U4)Health experts are concerned about these figures. 健康专家对这些数字感到担忧。 返回导航 (1)express/show concern about/for... 　　　　　 　 　　　 对……表示关心/担心 (2)concerned adj. 担心的；关切的 be concerned about/for... 关心/担心…… be concerned with... 与……有关； 对……关注 as far as...be concerned 就……而言 (3)concerning prep. 关于；有关；涉及 返回导航 【单句语法填空/词汇升级】 (1)If you have any information _____________ (concern) the recent incident at the station, please contact the local police. (2) _____________ (concern) about his daughter's study, he decided to have a talk with her. concerning Concerned 返回导航 (3)In my opinion, combining effective learning strategies with a positive attitude is crucial for studying well. →__________________________, combining effective learning strategies with a positive attitude is crucial for studying well. As far as I am concerned 返回导航 adapt vi.适应　vt.使适应；使适合；改编 【经典例句】 (教材P15)Elephants need large living spaces, so it's difficult for them to adapt to the changes. 　大象需要大的生存空间，因此它们很难适应这些变化。 返回导航 (1)adapt (oneself) to (doing)... 　　　　　　　　 使(某人自己)适应/ 习惯于(做)…… adapt...from... 根据……改写/改编…… adapt...for... 改编……作……之用 (2)adaptation n. 适应；改编；改编本 返回导航 【单句语法填空/完成句子】 (1)It's good news that his novel has been adapted ____________TV and this is a screen ____________ (adapt). (2)After graduation from college, I gradually adapted myself to ____________ (live) on my own. for adaptation living 返回导航 (3)It is the first time that we have adapted a short play ____________ our English textbook, which combines reading comprehension with creative expression. (4)我真的希望我的建议能帮助你尽快适应新的环境。 I do hope my suggestions can help you ____________________________ as soon as possible.应用文写作之建议信 from adapt to the new environment 返回导航 measure n.措施；方法；程度；尺寸　vt.& vi.测量；度量；估量；(尺寸、数量等)量度为 【经典例句】 ①(教材P15)What measures are being taken to help them？　正在采取什么措施来帮助它们呢？ ②(译林必修一U3)With true friends, we feel free to share our joy and sadness in full measure. 有了真正的朋友，我们可以尽情地分享我们的快乐和悲伤。 返回导航 (1)measure...by...　　　 用……来衡量…… (2)take measures to do sth. 采取措施做某事 make sth. to sb.'s measure 按照某人的尺寸做某物 in full measure 最大程度地 返回导航 【单句语法填空/一句多译】 (1)Some villagers reported a huge snake，____________ (measure) over two meters long, was found dead in a nearby cave. (2)A person's success shouldn't be measured only _______ the academic grades, but by qualities like creativity and critical thinking. measuring by 返回导航 (3)该是我们采取措施阻止海洋污染的时候了。 →It is high time that we ____________________________________ to keep the ocean from being polluted. →It is high time that ____________________________________ to keep the ocean from being polluted.(被动语态)应用文写作之海洋保护 took/should take measures/steps/action measures/steps/action should be taken 返回导航 “采取措施做某事”的其他表达还有take steps to do sth.、take action to do sth.。 返回导航 make out 看清；听清；分清；辨认出；理解；证明；填写 【经典例句】 (教材P16)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。 返回导航 make for　　 　 有助于；促成；造就 make off 匆匆离开 make up 构成；编造；和好；化妆 make up for 弥补，补偿 make sense 讲得通；有道理 make it 取得成功；及时到达 make sense of 理解 be made of... 由……制成(可以看出原材料) be made from... 由……制成(不能看出原材料) 返回导航 【完成句子/完成语段】 (1)众所周知，中国早期的纸是用竹纤维制成的。 As we all know, early paper in China ____________________ bamboo fibre. was made from 返回导航 (2)她答应按时来接我们，但她没做到。 她不得不为她的迟到编造一个借口。 我们很容易就看出她在说谎。 为了弥补她的过错，她给我们每人买了一块奶油蛋糕。 She promised to pick us up on time, but she didn't __________．She had to __________ an excuse for her coming late.We could easily __________ that she was telling a lie.To ____________________ her fault, she bought each of us a cream cake. make it make up make out make up for 返回导航 observe vt.观察(到)；注意到；注视；遵守；庆祝 【经典例句】 (外研必修一U5)One of the best things about this job is that you can observe animals in their natural environment. 这份工作最棒的地方之一就是你可以在动物生存的自然环境中观察它们。 返回导航 (1)observe sb.do sth.　　　 观察/注意到某人 做某事(全过程) observe sb.doing sth. 观察/注意到某人 正在做某事 observe the traffic rules 遵守交通规则 observe the New Year 庆祝新年 (2)observation n. 观察；观测 observer n. 观察员 返回导航 【语境辨义/单句语法填空】 (1)It is a tradition for the people here to observe the Thanksgiving Day. _______ (2)Though having lived abroad for years, many Chinese still observe the traditional customs. _______ (3)If we observe someone going through a red light, we should stop him. _______ 庆祝 遵守 注意到 返回导航 (4)Although the thief was careful, he was still observed _______ (slip) into the house. (5)Sherlock Holmes is known to everybody for his quick thinking and careful ______________ (observe). to slip observation 返回导航 observe sb. do sth.变为被动语态时，需补上do前面省略的动词不定式符号to，即sb. be observed to do sth.。 返回导航 remind vt.提醒；使想起 【经典例句】 (教材P16)I'm also reminded of the danger they were in. 我也意识到了它们所处的险境。 (1)remind sb.of sth.　　　 使某人想起某事；提醒某人某事 remind sb.that... 提醒某人…… remind sb.to do sth. 提醒某人做某事 (2)reminder n. 提醒物 返回导航 【单句语法填空/完成句子】 (1)This study is a good __________ (remind) of how important sleep is to us. (2)I'm too busy with my work, so I hope you can remind me __________ (watch) the musician's performance. (3)Those tomatoes had a taste that reminded me __________ the ones my uncle used to grow when I was a child. reminder to watch of (4)我必须提醒你，学校绝不会容忍考试作弊。 I must ____________________________________________________． remind you that at no time will the school stand cheating in the exam 返回导航 watch over 保护；照管；监督 【经典例句】 (教材P16)Zhaxi and other volunteers watched over the antelopes day and night to keep them safe from attacks.　扎西和其他志愿者日夜守护着藏羚羊，保护它们免受攻击。 返回导航 watch out　　　　　　　　 注意；小心 watch out for sb./sth. 警惕或注意某人/ 某事物 watch your step 小心脚下 keep a close watch/eye on 密切监视 返回导航 【单句语法填空/完成句子】 (1)I make sure that I would watch ______ your child forever as long as you trust me. (2)You have to watch ______ because there is a possibility of falling rocks on this mountain trail. (3)While crossing the road, you must watch out ______ the traffic. (4)政府正在密切监视着形势的发展。 The government ___________________________________________． over out for is keeping a close watch on how the situation develops 返回导航 attack n.，vi.& vt.攻击；抨击 【经典例句】 (外研必修二U6)Experts have proved that sharks do not see people as food, and they attack us by mistake.　专家们已经证实，鲨鱼不把人视作食物，它们只是误伤人类。 返回导航 (1)under attack　　　　 遭到攻击 (2)be attacked with... 被……攻击/患……病 be attacked by... 被……攻击/袭击 get attacked 遭到攻击 返回导航 【单句语法填空/同义替换】 (1)The company's network got ___________ (attack), causing significant data loss. (2)Hearing her mother was attacked _______ a serious illness, the girl burst out crying. (3)If your computer is being attacked by a virus, disconnect it from the Internet immediately. →If your computer is ___________ by a virus, disconnect it from the Internet immediately. attacked with under attack 返回导航 recover vi.恢复；康复　vt.找回；寻回 【经典例句】 ①(教材P16)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，藏羚羊被从濒危物种名单中去除。 ②(外研必修一U5) When I recovered from the shock, I looked at my camera. 当我从震惊中恢复过来后，我看了看我的相机。 返回导航 (1)recover from...　　 　 从……中恢复过来 recover oneself 恢复健康，痊愈 (2)recovery n. 恢复；痊愈；复苏 make a recovery from... 从……中恢复过来 make a full recovery 完全康复 返回导航 【语境辨义/单句语法填空/一句多译】 (1)The program helps users recover computer files that have been deleted. ___________ (2)At the hospital, he discovered he had four broken bones.While still recovering ___________ this accident, he was dealt a second blow. (3)It took Mom a few minutes to recover ___________ (her), and then she took a deep breath, continuing to finish the household chores. 找回；寻回 from herself 返回导航 (4)听到他的父亲还没有从手术中恢复过来，我很难过。 →I am sorry to hear that his father hasn't _________________________________．(recover vi.) →I am upset to hear that his father hasn't _________________________________．(recovery n．) recovered from the operation made a recovery from the operation 返回导航 intend vi.& vt.打算；计划；想要 【经典例句】 ①(教材P16)The government, however, does not intend to stop the protection programmes, since the threats to the Tibetan antelope have not yet disappeared. 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。 ②(北师大必修一U1)Although he had only intended to stay for one year, he now feels ready to stay for another year. 虽然他原本只打算待一年，但现在他觉得他已经准备好再待一年了。 返回导航 (1)intend doing/to do sth. 打算做某事 intend sb. to do sth. 打算让某人做某事 (2)intended adj. 打算的，计划的；预期的 be intended/designed to do... 为了做…… be intended/designed for... 专门为……设计的；专供……使用的 unintended adj. 无意识的；无计划的 (3)intention n. 目的；意图 with the intention of (doing) sth. 目的是……；打算…… 返回导航 【单句语法填空/一句多译】 (1)It surprises me that the book _____________ (intend) for children under 12 is now being used to educate adults. (2)His father intended him _____________ (join) the army after graduation. (3)I intend _____________ (get) up early tomorrow and go for a run to stay healthy. intended to join getting/to get 返回导航 (4)这个旨在帮助无家可归者的项目成立了。 →The program was set up _______________________________________．(intention n．) →The program, _______________________________________, was set up.(intended adj.，定语从句) with the intention of helping the homeless which was intended to help the homeless 返回导航 threat n.威胁 【经典例句】 The loss of glaciers there due to global warming represents an enormous threat to agriculture. 由于全球变暖，那里的冰川减少对农业构成了巨大威胁。 (1)(be)a threat to...　对……的威胁 under threat 受到威胁 (2)threaten vt. 威胁；危及 threaten to do sth. 威胁去做某事 返回导航 【单句语法填空/句式升级】 (1)He is unlikely to be a threat ________ the Spanish player in the final. (2)The company threatened ________ (take) legal action against the competitor for stealing their intellectual property. (3)Indeed, many parts of the natural world are ________ threat in Australia. to to take under 返回导航 (4)Most families of the town were threatened by rising flood waters, so they fled to higher ground. →________________________________, most families of the town fled to higher ground.(过去分词短语作状语) Threatened by rising flood waters 返回导航 exist vi.存在；生存 【经典例句】 (译林必修二U2)Neither can exist independent of the other; for example, there is no shadow without light. 两者都不能独立存在；比如，没有光就没有阴影。 (1)exist on...　　　　 靠……为生 There exist(s)... 某地有……；存在…… (2)existence n. 存在；生存 come into existence 开始存在；产生；成立 (3)existing adj. 现存的；现行的 返回导航 【单句语法填空/完成句子】 (1)There was a time when I can hardly exist ______ the wages I'm getting, struggling to make ends meet. (2)There is an urgent need to improve ___________ (exist) products and develop new lines. on existing 返回导航 (3)I'm extremely dying to know how dancing in Western countries came into ___________ (exist). (4)依我看来，快乐在于给予而不是索取。 As far as I am concerned, happiness _________________________________． 读后续写之主旨升华 existence exists in giving instead of receiving 返回导航 “This/That is/was why...”意为“这/那就是……的原因。” 【经典例句】 (教材P16)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。 This/That is/was why... 　　　 这/那就是……的原因。(强调结果) This/That is/was because... 这/那是因为……(强调原因) The reason why...is/was that... ……的原因是…… 返回导航 【单句语法填空/一句多译】 (1)In the end, I succeeded.That's __________ I didn't give up. (2)My car broke down halfway.That's __________ I was late for the appointment. because why 返回导航 (3)我们应该读名著，这是因为阅读经典作品可以丰富我们的生活。 →Reading classics can enrich our life. __________ we should read classics. →We should read classics. ____________________ reading classics can enrich our life. →The reason ______________________________ reading classics can enrich our life. This is why This is because why we should read classics is that 返回导航 “only＋状语”置于句首引起部分倒装 【经典例句】 (教材P16)Only when we learn to exist in harmony with nature can we stop being a threat to wildlife and to our planet. 只有当我们学会与大自然和谐相处时，我们才不会成为野生生物和地球的威胁。 (1)当“only＋状语(副词/介词短语/从句)”置于句首时，主句要用部分倒装，即把主句中的助动词、情态动词或系动词置于主语之前； (2)当“only＋主语”置于句首时，不用倒装。 返回导航   【补全句子/句式升级】 (1)Only then __________________________ (我才意识到) a small act of kindness could make a great difference to those around us. (2)Only when you come to China __________________________ (你才能体验) Chinese traditions and cultures. did I realize that can you experience 返回导航 (3)I do believe that we can have a better tomorrow only with our joint efforts. →It is my firm belief that ____________________________________________________．(倒装) only with our joint efforts can we have a better tomorrow 返回导航 课堂微练 即时检验 PART 04 第四部分 Ⅰ.品句填词 1．Every year he writes stories to contribute to a newspaper to make a ___________ (利益). 2．The old couple i___________ their son to study abroad, which they believe will enhance his competitiveness. 3．The violent and dangerous criminal was s___________ dead when he pulled a gun. profit ntended hot 返回导航 4．Failure to meet the deadline will result in severe consequences, posing a direct ___________ (威胁) to your project's success. 5．With a clear explanation, our doubts were completely ___________ (去除). 6．It's said that the newspaper office receives an a___________ of nearly 100 articles a day. threat removed verage 返回导航 7．A young boy was a___________ by a dog while he was walking in the park. 8．I'd like to r___________ a table for three at twelve o'clock. 9．The newly-enrolled students are learning how to o___________ the school discipline under the guidance of their teacher. ttacked eserve bserve 返回导航 10．By taking part in this activity, I have become ___________ (意识到) of the importance of team work. 11．We have organized various activities and taken effective m___________ to reduce pollution. 12．The prince ___________ (恢复) from a serious illness, which made the king overjoyed. aware easures recovered 返回导航 Ⅱ.词块运用 1．This photo ______________ (使我想起) the time when I saw the cute kangaroos for the first time. 2．How ______________ (究竟) could she solve that complex math problem within such a short time. 3．The soldier stood guard at night, determined to ______________ (保护) the camp and ensure everyone's safety. reminds me of on earth watch over 返回导航 4．Teenagers in this city, ______________ (平均) spend two hours a day surfing the Internet to access education resources. 5．The authorities think that they ____________________ (取得进步) in building a harmonious society so far. 6．We _________________ (意识到) the potential(潜在的) problems and have taken measures to stop them from coming out. on average have made progress have been aware of 返回导航 7．A lot of species in the world are in danger of ______________ (灭绝). 8．The world will be different, and we will have to be prepared to ______________ (适应) the future changes. 9．I could hear their voices, but I couldn't ______________ (听清) what they were saying. dying out adapt to make out 返回导航 Ⅲ.根据汉语提示并使用本部分句式结构完成下面的小短文 Many wild animals' habitats are being destroyed and becoming smaller and smaller, 1. ________________________________________ ____________ (使许多野生动物处于灭绝的危险之中；动词-ing形式作状语). 2. ____________________________________ (这就是我们想要呼吁……的原因； This is why...) the public to take immediate measures. The details are as follows. leaving many wild animals in danger of extinction This is why we would like to appeal to 返回导航 First of all, in order to raise people's awareness of protecting endangered wild animals, a lecture will be held in No.1 meeting room at 2：00 p.m. on July 4. Besides, 3. ________________________ (建立自然保护区；动词-ing形式作主语) is another effective way, as it can reduce human impact on wild animals' habitats. Most importantly, we are supposed to make laws and regulations concerning animal protection, hence stopping illegal hunting and promoting sustainable development. setting up nature reserves 返回导航 I am firmly convinced that 4. ____________________________________________________________ (只有用这些方式我们才能有效保护濒危野生动物；“only＋状语”置于句首引起部分倒装). Let's take action now! only in these ways can we effectively protect the endangered wild animals 返回导航 $