Unit 8 A green world 课件-2024-2025学年牛津译林版八年级英语下册

8B U8 A green world 1 目 录 01 重点词组 02 03 04 C ONTENTS 知识点梳理 同步例题分析 出门测 2 重点词组 01 3 重点词组 1.减少空气污染 2.缩短淋浴时间 3.节约能源 4.关灯 5.保护环境 6.过环保生活 7.开车送某人上学 8.造成严重的空气污染 9.被分成…… 10.砍伐树木 11.在公共场所乱扔垃圾 12.依靠；取决于 13.使用太阳能 14.新型能源 15.耗尽 16.对……产生影响 17.处理…… 18.听起来像 19.最大的问题之一 20.充满污染 reduce air pollution take shorter showers save energy turn off the lights protect the environment live a green life drive sb. to school cause serious air pollution be separated into… cut down trees drop litter in a public place depend on use energy from the sun new types of energy run out make a difference to do with … sound like one of the biggest problems be filled with 4 21.清理 22.改善环境 23.更多生物 24.有一个……的机会 25.关于……的调查 26.刷牙 27.……的结果 28.成为一个严重的问题 29.尽某人最大努力 30.对……有害 31.为……提供…… 32.保持水土，使土壤稳固 33.扔掉 34.采取适当的行动 35.使用中 36.产生很大的变化；有很大影响 37.养成一种绿色的方式 clean up improve the environment more living things have a chance to a survey on brush teeth the result of become a serious problem try one’s best be harmful to / be bad for provide sth for sb. / provide sb with sth keep soil in place threw away take proper actions in use make a big difference develop a green lifestyle 知识点梳理 6 知识点1：Are you serious?(P106) 你是认真的吗？ serious adj. 严肃的，认真的 例： The government still faces very serious difficulties. He's quite a serious person. ___________ adv. 严肃地，认真地 They spoke to me very seriously but politely. seriously 7 知识点2：The Class 1, Grade 8 students are busy discussing the Earth’s problems and preparing a presentation.(P106) 八年级一班的学生们正在忙于讨论地球问题和准备演讲。 (1) be busy doing… 忙于做… 例： His mother is busy working these days. (2)prepare v. 准备 准备做某事____________________ Two workers were preparing a videotape recording(录像) of last week's programme. 为…做准备__________________________ He had to go back to his hotel and prepared for the next trip. prepare to do sth prepare for… 知识点3：More and more families own cars and this causes serious air pollution.(P107)越来越多的家庭拥有自己的小汽车，这导致了严重的空气污染。 cause v. 导致；造成 例： The insecticide(杀虫剂) used on some weeds can cause health problems. cause n. __________ 例： Smoking is the biggest preventable cause of death and disease. 起因；原因 知识点4：It’s wise for people to choose public transport or ride bicycles. 选择公共交通或骑自行车对人们来说是明智的。 wise adj. 明智的，充满智慧的 例： She has the air(气质) of a wise woman. _______ adv. 明智地，充满智慧地 例： They've invested(投资) their money wisely. _________ n.智慧，才智；明智 例： He is a man full of wisdom. wisely wisdom 知识点5：We can save energy by turning off the lights when we leave a room. (P107) 当我们离开房间的时候可以通过关灯来节约能源。 (1) turn off 关上（开关） 指电器 反义词 turn on 开 turn相关的短语有： turn down __________ turn up __________ turn over __________ turn back __________ turn around __________ (2) turn 做______动词 表__________ turn green 变绿 ; 变得环保 When spring comes, the leaves turn green. 调小;拒绝 调高 翻过来; 翻身 折回; 往回走 转身 系 变化 知识点6：In Switzerland, things like glass, plastic and paper are separated into different groups and then recycled. (P108) 在瑞士，像玻璃，塑料和纸做的东西被分成不同的群体，然后被回收。 separate v. 分开，隔开 例： Police moved in to separate the two groups. They want to separate teaching from research. It is difficult to separate legend(传说) from truth. 知识点7：For example, we are not allowed to cut down trees. (P108) 例如，我们不被允许砍伐树木。 (1) allow v. 允许 允许某人做…__________ 允许做…__________ The children are allowed to watch TV after school. We don't allow smoking in our house. (2)cut down 砍伐 拓展：cut 的其他相关短语： cut back __________ cut out __________ cut in __________ cut off __________ allow sb. to do allow doing sth. 削减;缩减 删除;删掉 插嘴 切断;中断 知识点8：Otherwise, we will be punished. (P109) 否则，我们将会被惩罚。 (1)otherwise adv. _________ 这里的otherwise的用法可等同于_______ 原句也可表述为 Or we will be punished. I'm lucky that I'm interested in school work, otherwise I'd go crazy. (2)punish v. 处罚；惩罚 例： I don't believe that George ever had to punish the children. punishment n. 处罚；惩罚 例： The whole class glared(瞪眼) at the teacher when he told them his punishment. 否则 or 知识点9：… We will be fined by the police. (P109) 我们将会被警察罚款。 fine v. 罚款 例： She was fined $300 and banned(禁止) from driving for one month. fine n. 罚金 例： He got a fine because of parking in a wrong place. fine adj. 好的；美好的 例： There is a fine view(风景) of the countryside. He is fine after seeing the doctor. 知识点10：We depend on its rich resources to live, so it is important for us to protect it wisely.(P109) 我们依赖于它的丰富的资源来生活，所以对于我们来说明智地保护它是重要的。 depend on /upon 常用于情景交际中，表示“依…而定” (1) __________ 例： My wife and daughter depend on me for their living. (2) __________ 例： All depends on the weather. __________ adj. 依靠的；从属的；取决于…的 The local economy is dependent on oil and gas extraction(提炼). 依靠，依赖，指望 取决于 dependent 知识点11：These new types of energy cost very little and will never run out.(P109)这些新的能源形式花费很少而且将不会用尽。 run out 用尽；耗尽 注意 同义词：__________ 例：无被动用法 Conditions are getting worse and supplies(给养) are running out. run out of 用尽；耗尽；想不出 例： They have run out of ideas. We're running out of time. use up 知识点12：Remember that everyone can do something to make a difference!(P109) (1)__________________ (对…)有影响，起作用 例： Whatever you can do can make a difference. (2)difference n. 不同 different adj. 不同的 反义词：same make a difference (to sb/sth) 知识点13：Pollution is one of the biggest problems in the world today.(P114)今天污染是世界上最大的问题之一。 pollution n. 污染 The level of pollution in the river was falling. pollute v. 污染 We love the sea, yet we pollute it. polluted adj. 被污染的 The police have warned the city's inhabitants(居民) not to swim in the polluted river. 知识点14：…more living things will be killed by pollution.(P114)…更多的生物将会被污染杀死。 (1) living adj. __________ The living things can’t live without sun. the living 指“活着的人” (2) lively adj. __________ She had a sweet, lively personality. (3) alive adj. 活着的，一般作表语 She does not know if he is alive or dead. (4) live adj. 直播的 活着的，活的 生动活泼的，生机勃勃的 知识点15：Air pollution is harmful to our health.(P116)空气污染对我们的健康有害。 harmful adj. 有害的 对…有害__________ 反义词：__________ 无害的 We ought to reason why it is harmful to health to eat too much. harm v. 伤害 The hijackers(劫机者) seemed anxious not to harm anyone. n. 伤害 对…有害___________________ All dogs are capable of doing harm to human beings. be harmful to harmless do harm to 知识点16：Trees also help keep soil in place during storms.(P116)树木也能在暴风雨期间帮助固定土壤在原处。 (1) in place _____________ This group are discussing the branching strategy currently in place. (2)place v. _____________ Brand folded it in his handkerchief and placed it in the inside pocket of his jacket. n. _____________ 常见短语： 发生；进行_____________ 代替，取代_____________ My wife and I discovered some good places to eat. She wanted Randy's wedding to take place quickly. 在正确位置 放置 地方，地点 take place take the place of 知识点17：They will form over thousands or even millons of years.(P117)他们形成将需要超过成千甚至上万年。 form v. 形成 They tried to form a study group on human rights(权利). n. 形式，形状；方式；表格 常见短语：以…样的形式 _____________ You will notice that he frames(架构) his analysis in the form of a debate. in the form of 知识点18：Here are some simple steps to take.(P117)这有些简单的步骤可以采取。 simple adj. 简单的 simply adv. 简单地 副词形式将le变为ly 类似的词还有：possible—possibly probable—probably gentle—gently, terrible—terribly, comfortable—comfortably He ate a simple dinner of rice and beans. step n. 步骤；措施 采取措施做某事_____________ She walked on a few steps. We should take steps to prevent war. take steps to do sth 同步例题分析 请在此输入您的文本。请在此输入您的文本。请在此输入您的文本。请在此输入您的文本。 25 例1：_____________ a light when necessary. You will bring light to other people and yourself. A.Try B. Get on C. Turn on D. Put on 例2：The sports meeting ___________________ next month. A.will hold B. is going to hold C. will be held D. are going to held 例3：— How are you today, Mike? — I’m worse now. I don’t think this medicine is _________ me. A.good for B. bad for C. good at D. good to 例4：The rivers will become dirtier and dirtier if we don’t take action to ________ them. A.recycle B. connect C. prevent D. protect 例5：It’s _______ of you to bring a map and a mobile phone with you while travelling in a big city like Shanghai, or you will get lost easily. A.foolish B. serious C. equal D. wise C C A D D 例6：今天我们将植树吗？ Will trees ________________________ today? 例7：这不仅仅对牙齿有益。 This ________________ more than just the teeth. 例8：我们可以做什么来减少空气污染呢？ What can we do _____________________________? 例9：要记得关掉电视。 Remember _________________ the TV. 例10：你们是如何保护环境的？ How do you _____________________________? be planted by us is good for to reduce air pollution to turn off protect the environment 谢谢观看 28 $$