Unit 5 Humans and Nature（复习课件）英语北师大版必修第二册

北师大版·必修第二册 Unit 5 Humans and Nature 单元复习 Unit 5 Humans and Nature 复习目标 知识图谱 考点串讲 单元语法 主题写作 综合训练 复习目标 知识图谱 考点串讲 单元语法 主题写作 综合训练 CONTNETS 1. 学生能够掌握本单元重点词汇，如 survive, shock, trap, protect, observe, equal, prepare, conduct 等，并能在不同语境中正确运用。（重点掌握） 2.学会重要短语和句型，如 on the edge of, turn one’s back on, in the face of, make comments on, The reason why…is that…, 完全倒装句等，并能利用这些短语和句型进行口头和书面表达。（重点掌握） 3.提高阅读理解能力，能够读懂关于人与自然、自然灾害、野外探险、生态保护主题的文章，理解文章主旨大意、细节信息，并能根据文章内容进行推理判断。 4.培养书面表达能力，能够运用所学词汇、短语和句型，围绕环境保护、人与自然和谐共处写倡议书 / 演讲稿，做到词汇丰富、句式多样、逻辑清晰。 复习目标 知识图谱 定语从句where/when/why 单元语法 2. 防灾手册的常用句式 3. 必背短文模板 主题写作 1. 防灾手册简介 名词：survival 幸存；shock 震惊；loss 损失；observation 观察；bravery 勇敢；protection 保护 形容词：shocking 令人震惊的；shocked 感到震惊的；curious 好奇的；frightened 受惊的；distant 遥远的；equal 平等的 重点单词 动词：survive 幸存；trap 使陷入困境；protect 保护；observe 观察；conduct 实施，执行；explore 探险；shock 使震惊 turn one’s back on 对…… 置之不理 make comments on 对…… 作出评论 重点短语 on the edge of 在…… 边缘 in the face of 面对 in preparation for 为…… 做准备 Humans and Nature Unit 5 Humans and Nature 考点串讲 北师大版·必修第二册 考点串讲 重点词汇 单词 词形 意思 vi.&vt. 幸存，活下来；艰难度过 vt./n. 使震惊；震惊 vt./n. 使陷入困境；陷阱 vt. 保护，防护 vt. 观察；观测；遵守 vt. 实施，执行；指挥 survive shock trap protect observe conduct 考点串讲 重点词汇 单词 词形 意思 adj./v. 平等的；等于 v. 准备，预备 vt. 探险，探索 n. 损失，丧失 n./v. 评论，发表意见 n. 勇敢，勇气 equal prepare explore loss comment bravery 考点串讲 词形转换 survive v. 幸存 → survival n. 幸存；幸存者 → survivor n. 幸存者 shock v./n. 使震惊 → shocked adj.（人）感到震惊的；shocking adj.（事物）令人震惊的 frighten v. 使害怕 → frightened adj. 受惊的；frightening adj. 令人恐惧的 observe v. 观察 → observation n. 观察；观测 → observer n. 观察者 protect v. 保护 → protection n. 保护 → protective adj. 防护的 prepare v. 准备 → preparation n. 准备；预备 → prepared adj. 准备好的 explore v. 探索 → exploration n. 探险，探索 → explorer n. 探险家 考点串讲 词形转换 lose v. 失去 → loss n. 损失；丧失 → lost adj. 丢失的 brave adj. 勇敢的 → bravery n. 勇敢；bravely adv. 勇敢地 equal adj. 平等的 → equally adv. 平等地 → equality n. 平等 curious adj. 好奇的 → curiosity n. 好奇心 → curiously adv. 好奇地 conduct vt. 实施 → conduction n. 传导；conductor n. 指挥，导体 die v. 死亡 → death n. 死亡 → dead adj. 死的 → dying adj. 垂死的 vary v. 变化 → various adj. 各种各样的 → variety n. 多样性 考点串讲 词汇精讲 1. survive vi.& vt. 幸存，活下来；艰难度过 情景导学 Only a few people survived the terrible natural disaster. 在这场可怕的自然灾害中，只有少数人幸免于难。 用法归纳 ① survive sth. 从…… 中幸存（不接 from） ② survive on sth. 靠…… 维持生存 词汇拓展 ① survival n. 幸存； ②survivor n. 幸存者 即时训练 Don’t expect much ____________(survive) after the hurricane. survival 考点串讲 词汇精讲 2. shock vt./n. 使震惊；震惊 情景导学 The whole nation was shocked by the terrible environmental damage. 全国人民都为这严重的环境破坏感到震惊。 用法归纳 ①be shocked at/by sth. 对…… 感到震惊 ②be shocked to do sth. 做某事感到震惊 ③It shocks sb. to do sth. 做某事使某人震惊 词汇拓展 ①shocked adj.（人）感到震惊 ②shocking adj.（事物）令人震惊的 即时训练 We were ________(shock) to hear that many wildlife disappeared.. shocked 考点串讲 词汇精讲 3. trap vt. 使陷入困境 n. 陷阱 情景导学 Many animals are trapped in plastic waste in the ocean. 很多动物被困在海洋塑料垃圾之中。 用法归纳 ①be trapped in 被困在…… ②trap sb. into doing sth. 诱骗某人做某事 即时训练 Some tourists were trapped ______ the mountain because of heavy snow.. in 考点串讲 词汇精讲 4. protect vt. 保护，防护 情景导学 We must take action to protect endangered wildlife. 我们必须采取行动保护濒危野生动物。 用法归纳 ①protect … from/against … 保护…… 免受…… 伤害 词汇拓展 ①protection n. 保护 ②protective adj. 防护的 即时训练 We should protect wild animals ______ being hunted. from/against 考点串讲 词汇精讲 5. observe vt. 观察；观测；遵守 情景导学 Scientists observe the changes of wildlife in the nature reserve. 科学家在自然保护区观测野生动物的变化。 用法归纳 ①observe sb. do sth. 观察某人做了某事（全过程） ②observe sb. doing sth. 观察某人正在做某事 词汇拓展 ① observation n. 观察 ② observer n. 观察者 即时训练 The scientist observed birds ________(fly) back to their nests at dusk. flying 考点串讲 词汇精讲 6. conduct vt. 实施，执行；指挥 情景导学 Scientists conduct many researches on environmental protection. 科学家开展许多关于环境保护的研究。 用法归纳 ①conduct experiments /operations/surveys 做实验 / 开展行动 / 做调查 词汇拓展 ①conduct n. 行为； ②conductor n. 指挥家 即时训练 They will conduct a survey ______ the local ecological situation. on 考点串讲 词汇精讲 7. prepare v. 准备，预备 情景导学 They made full preparations for the exploration into the wild forest. 他们为原始森林探险做了充分准备。 用法归纳 ①prepare for sth. 为…… 做准备 ②in preparation for （短语）为…… 做准备 ③make preparations for 为…… 做准备 词汇拓展 ①preparation n. 准备； ② prepared adj. 准备好的 即时训练 They are in preparation ________ a wildlife protection activity.. for 考点串讲 词汇精讲 8. comment n./v. 评论，发表意见 情景导学 Many people made comments on the problem of environmental pollution online. 很多网友就环境污染问题发表评论。 用法归纳 make comments on /upon sth. 对…… 作出评论 即时训练 Reporters made comments ______ the wildlife protection project. on 考点串讲 句型精讲 The reason why I choose to protect wildlife is that human beings should live in peace with nature. Sentence 1 主语 why引导定语从句，修饰先行词 “reason” 译文：我选择保护野生动物的原因是人类应当与自然和睦共处。 即时训练 他放弃探险的原因是他意识到保护自然更加重要。 The reason why he gave up exploration is that he realized protecting nature matters more. . that引导表语从句 考点串讲 句型精讲 Then came the heavy storm, which destroyed many trees in the forest. Sentence 2 then 置于句首，全部倒装句型 Which引导非限制性定语从句，修饰 storm 译文：紧接着暴风雨来临，摧毁了森林里大量树木。 即时训练 然后来了春天，万物复苏。 ________________________, and everything came back to life. Then came spring Unit 5 Humans and Nature 北师大版·必修第二册 单元语法 单元语法 过去将来时 关系副词 where /when/why 引导限制性定语从句，在从句中作状语：where 作地点状语；when 作时间状语；why 作原因状语。 本质等价：where = 介词 + which；when = 介词 + which；why = for which 关系副词 先行词 从句成分 等价转换 典型例句 where 地点名词（place, factory, school, situation, case 等） 地点状语 in/on/at + which This is the school where I studied for three years. when 时间名词（time, day, year, period, moment 等） 时间状语 in/on/at + which I still remember the day when we first met. why 原因名词（只接 reason） 原因状语 for which Tell me the reason why you gave up the plan. 单元语法 过去将来时 关键辨析（高频易错） 看从句内部缺什么成分！ 如果从句缺主语 / 宾语，不用关系副词，要用关系代词 which / that 如果从句句子成分完整（主谓 / 主谓宾齐全），缺状语，才用 where /when/why 示例对比： ①This is the factory where he worked. （从句 he worked 主谓完整，缺地点状语 → where=in which） ②This is the factory that/which we visited last year. （从句 we visited 缺少宾语，visit the factory，用关系代词作宾语） 单元语法 过去将来时 特殊注意点 reason why…：先行词是 reason，定语从句表原因用 why；若从句缺主语 / 宾语，依然用 that/which。 The reason that he gave us is simple.（gave 缺宾语，that 指代 reason 作宾语，不能用 why） 抽象先行词：case, situation, point, stage 表示 “情形、处境”，抽象地点，常用 where。 We have reached a point where we must make a choice. 介词 + which 替换：介词要和先行词、从句动词搭配，不能乱选介词。 I will never forget the year in which (when) I joined the club. 单元语法 过去将来时 即时训练（单句填空）:填入合适关系词（where /when/why /which/that） I still remember the moment _______ I first heard about the scientist’s story. This is the office ________ the great hero once worked. Can you tell me the reason ____ you changed your mind? The book __________ I bought yesterday introduces many admirable people. We reached a stage ________ we must work much harder. which/that where why when where Unit 5 Humans and Nature 北师大版·必修第二册 主题写作 主题写作 A brochure about surviving a disaster 主题写作：A brochure about surviving a disaster（灾难逃生手册） 1.主题解读： 灾难逃生自救，学会在灾难中保护自我；运用倒装、The reason why…is that…、what if 等句型写作思路（三段式，小册子文体，简洁实用） 2.写作思路: 开头：点明灾难难以预测，掌握逃生技能十分重要中间：提出 2‑3 条自救建议，结合单元词汇句型结尾：发出呼吁，做好准备、保持冷静 主题写作 写作思路 个人介绍 开头段 中间段 结尾段 ✅开头句式Disasters are unexpected and they can cause great loss to our lives.灾难难以预料，会给我们的生命带来巨大损失。It’s high time that we got well‑prepared for sudden disasters.我们应当为突发灾难做好充分准备。 ✅中间建议句式The reason why we should stay calm in a disaster is that it increases our chance of survival.我们在灾难中保持冷静的原因是这会提升我们的生存几率。What if we meet a sudden earthquake? We should keep away from falling objects.倘若遭遇突发地震该怎么办？我们应当远离坠落物。Never be frightened when danger comes. Only by staying brave can we protect ourselves.（倒装）危险来临时不要恐慌。只有保持勇敢我们才能保护自己。In face of danger, every proper preparation counts.面对危险，每一项充分准备都很重要。 Good preparations can make a big difference when a disaster strikes.当灾难来临，充分准备会带来巨大不同。Let’s learn self‑rescue skills and get ready for unexpected danger.让我们学习自救技能，为意外危险做好准备。 主题写作 写作素材 3. 写作素材 ✅开头句式 Disasters are unexpected and they can cause great loss to our lives. 灾难难以预料，会给我们的生命带来巨大损失。 It’s high time that we got well‑prepared for sudden disasters. 我们应当为突发灾难做好充分准备。 主题写作 写作素材 ✅中间建议句式 1.The reason why we should stay calm in a disaster is that it increases our chance of survival. 我们在灾难中保持冷静的原因是这会提升我们的生存几率。 What if 2.we meet a sudden earthquake? We should keep away from falling objects. 倘若遭遇突发地震该怎么办？我们应当远离坠落物。 3.Never be frightened when danger comes. Only by staying brave can we protect ourselves.（倒装） 危险来临时不要恐慌。只有保持勇敢我们才能保护自己。 4.In face of danger, every proper preparation counts. 面对危险，每一项充分准备都很重要。 主题写作 写作素材 ✅结尾句式 Good preparations can make a big difference when a disaster strikes. 当灾难来临，充分准备会带来巨大不同。 Let’s learn self‑rescue skills and get ready for unexpected danger. 让我们学习自救技能，为意外危险做好准备。 主题写作 写作模板 A brochure about surviving a disaster Dear friends, disasters may happen unexpectedly. It’s high time that we ________. The reason why ________ is that ________. Firstly, we ought to ________. What if ________? Besides, never ________. Only in this way can we ________. Good preparations can make a big difference. Let’s learn self‑rescue skills and stay brave for unexpected disasters! 主题写作 写作练习 假定你是李华，学校英语角要制作英文灾难逃生小册子 A brochure about surviving a disaster。 要点： 现状：灾难难以预测，掌握自救技能很重要； 建议：灾难中保持冷静；提前做好准备；学会观察周边环境保护自己； 使用句型 The reason why…is that…、what if、倒装句； 发出号召。词数 100‑120。 主题写作 写作范文 A brochure about surviving a disaster Dear friends, Disasters may happen unexpectedly. It’s high time that we learned basic self‑rescue skills. The reason why we should keep calm when disasters strike is that it increases our chance of survival. Firstly, we ought to make necessary preparations in advance. What if we meet a sudden earthquake? We need to hide in safe places away from falling objects. Besides, never give in to fear. Only in this way can we avoid unnecessary harm. Good preparations can make a big difference. Let’s learn self‑rescue skills and stay brave for unexpected disasters! 词数：110 用到句型：It’s high time that…；The reason why…is that…；What if…；倒装句 Only in this way can we… Unit 5 Humans and Nature 北师大版·必修第二册 综合训练 综合训练 一、根据句意及汉语提示写出单词。 ●Many animals didn’t ________(幸存) from the big fire in the forest. ●People were deeply ________(震惊的) at wildlife’s disappearing. ●We must ________(保护) endangered species from being hurt. ●Scientists ________(观察) animal changes in nature reserves. ●Many tourists got ________(使陷入困境) in the heavy snow. survive shocked protect observe trapped 综合训练 二、单句语法填空 Only a few animals managed __________(survive) the fierce disaster. We were ________(shock) to see so many dead wild birds. We should protect wildlife ________(be) hurt by human activities. Each of the volunteer ________(make) contributions to nature protection. A number of students ________(take) part in environmental‑protection activities. to survive shocked from being makes take 综合训练 三、完成句子 We should not ________ ________ ________ _________ nature’s damage.（对…… 置之不理） Many species are ________ ________ ________ ______dying out.（处于濒临灭绝的边缘） We should be brave ________ ________ ________ all kinds of natural disasters.（面对） Experts ________ ________ ________ the ecological problem online.（作出评论） turn our back on in the face of make comments on on the edge of 综合训练 四、句型转换 The reason for his choice is to protect wild animals.（改写 The reason why…is that…） A heavy snow came then. （改为 then 置于句首全部倒装） 答案：. Not only the students but their teacher cares about wildlife protection.（改为就近原则句式，同义句） 答案：Then came a heavy snow 答案：Not only their teacher but also the students care about wildlife protection. 答案：The reason why he made the choice is that he wants to protect wild animals. 综合训练 五、短文语法填空 阅读短文，填入合适单词或括号内动词不定式形式 Nowadays human activities 1.(do) harm to nature. Some animals 2.(be) trapped in pollution. Few creatures 3.(survive) from bad natural conditions. Each of the scientist 4.(observe) the changes of wildlife. The reason 5.________ we carry out protection work is 6.________ we need balance between humans and nature. A number of volunteers 7.(join) in the project. We should protect animals 8. being hunted. Never turn our back 9.________ ecological damage. Small efforts 10.________(count) for our mother earth. 答案： 1.do 2.are 3.survive 4.observes 5.why 6.that 7.join 8.from 9.on 10.count 北师大版·必修第二册 感谢聆听 $