牛津譯林版英語八年級下冊Unit 8 A green world 課件(共26張PPT)

1、Welcome to the unitUnit 8 A green world課前自主預習單詞闖關(guān)1.挖(洞，溝等)vi. & vt. _ (過去式) _2認真的，嚴肅的 adj. _認真地，嚴肅地 adv. _ 3.明智的，充滿智慧的 adj. _明智地，充滿智慧地 adv. _ digdugeducationright wisewisely短語互譯1.關(guān)上(開關(guān)) _2對有好處 _3保護環(huán)境 _4乘地鐵_turn offbe good forprotect the environmenttake the underground 短語互譯5.節(jié)省能源 _6reduce air polluti

2、on _7drive sb to school _ 8live a green life _save energy減少空氣污染 開車送某人上學過一種綠色的生活句型在線1.樹木對我們有益。Trees _ us.2我們可以通過離開房間時關(guān)燈來節(jié)約能源。We can_ the lights when we leave a room.3同學們，為了過一種綠色的生活，我們應(yīng)該做什么呢？What should we do _， class? are good forsave energy by turning offto live a green life句型在線4對人們來說，選擇公共交通工具或騎自行車是

3、明智的。_public transport or ride bicycles.5我想我們可以快速洗澡來節(jié)約用水。I think we can _.Its wise for people to choosetake shorter showers to save water課堂互動探究詞匯點睛 1dig vi. & vt. 挖(洞，溝等)觀察 I like digging in the garden. 我喜歡在花園里挖洞。The students will dig holes to plant trees this weekend. 這個周末學生們會挖坑種樹。探究 dig的過去式和過去分詞均為_

4、，現(xiàn)在分詞為_。dug搭配 dig up發(fā)現(xiàn)；掘起；掘地 digging活學活用 1.(1)They _(dig) a hole to put in the tree just now.(2)2016蘇州 Early this morning I was busy _(挖) in the garden to plant trees.dugdigging觀察 Are you serious? 你是認真的嗎？More and more families own cars and this causes serious air pollution.越來越多的家庭擁有私家車，這造成了嚴重的空氣污染。2

5、serious adj. 認真的， 嚴肅的搭配 be serious about 對認真拓展 serious的副詞形式為_，意為“認真地，嚴肅地；嚴重地”。seriously2(1)Tony is the _ student in our class.Yes, he seldom smiles in or out of class.Amost honestBmost humorousCmost politeDmost serious(2)2018上海 Fortunately, no one was _(serious) hurt in the earthquake several weeks

6、ago.Dseriously觀察 This will cause direct friction. 這將導致直接摩擦。The bad weather is causing problems for many farmers.惡劣的天氣正給許多農(nóng)民造成困難。3cause vt. 導致；造成拓展 cause還可用作名詞，意為“原因，起因”，常與介詞of 連用，the cause of意為“的起因”。3.2018菏澤 The Boeing 737 of Cuba airline crashed(墜毀) in Havana on May 18, 2018, which _more than 100 d

7、eaths.AcausedBinfluencedCforcedA觀察 Its wise for people to choose public transport or ride bicycles. 對人們來說，選擇公共交通工具或騎自行車是明智的。The more books you read, the wiser you will be. 你看的書越多，就會越聰明。4wise adj. 明智的，充滿智慧的拓展 wise的副詞形式為_，意為“明智地”；其名詞形式為_，意為“智慧”。wisely wisdom4.(1)It is not really _ you to drive so fast

8、 on such a rainy day. Slow down. Acrazy for Bcrazy ofCwise for Dwise of(2)2018宿遷 Natural resources are very important for us. And we should use them _ (明智地)Cwisely句型透視1 Trees are good for us. 樹木對我們有益。探究 be good for意為“對有好處”，其反義短語為be bad for，意為“對有壞處”。A good eating habit is good for our health.一個好的飲食習慣

9、對我們的健康有好處。拓展 be good at 擅長 be good to 對友好be good with 善于與相處1(1)跑步對我們有好處。Running _ us.(2)吸煙對我們的健康有害。Smoking _ our health.(3)湯姆擅長踢足球。Tom _playing football.is good foris bad foris good at2 We can save energy by turning off the lights when we leave a room. 我們可以通過離開房間時關(guān)燈來節(jié)約能源。探究 turn off意為“關(guān)上(開關(guān))”，為“動詞副詞

10、”短語。該短語接_作賓語時，_既可放在turn與off之間，也可放在off之后；接_作賓語時，_只能放在turn與off之間。名詞名詞代詞代詞探究 Please turn the television off before you go to bed.Please turn off the television before you go to bed.睡覺前請關(guān)上電視。The television is too noisy. Please turn it off. 電視太吵了，請把它關(guān)掉。拓展 turn on打開； turn up調(diào)大(音量); turn down調(diào)小(音量); turn r

11、ight向右轉(zhuǎn)2(1)Please _all the lights when you leave the classroom.Aturn on Bturn offCturn down Dturn upB【解析】考查動詞短語辨析。句意：當你離開教室時，請關(guān)掉所有的燈。turn on意為“打開”；turn off意為“關(guān)掉”；turn down意為“調(diào)小(音量)”；turn up意為“調(diào)大(音量)”。由句意可知選B。(2)2017蘭州 How noisy it is! Could you please _the CD player a little?Aturn off Bturn downCturn on Dturn upB【解析】考查動詞短語辨析。句意：太吵了！請你把CD播放機音量調(diào)小一點兒好嗎？turn off意為“關(guān)掉”；turn down意為“調(diào)小(音量)”；turn on意為“打開”；turn up意為“調(diào)大(音量)”。由句意可知選B。3 What should we do to live a green life, class? 同學們，為了過一種綠色的生活，我們應(yīng)該做什么呢？探究句中的“to live a green life”為動詞不定式結(jié)構(gòu)，在句中作目的狀語。動詞不定式(短語)作目的狀語，主要用來修飾動詞，表示某一動作或狀態(tài)的目的。He works