高中英語 Unit4 Global warming課件 新人教版選修6.ppt

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Unit 4 Global warming——全球變暖,[核心單詞] 1．___________ adj.胡亂的;任意的 2．________n．種類;范圍 3．________ vi.看一下;掃視n.一瞥 4．______________adj.分布廣的;普遍的 5．_________adj.平均的 6．_____________ vt.擁護(hù);提倡;主張 7．________ adj.隨便的;漫不經(jīng)心的;偶然的 8．________________ n．環(huán)境;情況 9．__________ vt.使恢復(fù);使振作 10．_______________n．現(xiàn)象→phenomena pl.現(xiàn)象,random,range,glance,widespread,average,advocate,casual,circumstance,refresh,phenomenon,11．_________ n．量;數(shù)量→quality n．質(zhì)量 12．_______ vi.趨向;易于;照顧;vt.照顧;護(hù)理→tendency n． 傾向;趨勢(shì) 13．__________ vt.反對(duì);反抗;與(某人)較量→opposed adj.反對(duì)的;對(duì)立的 14．____________ n．結(jié)果;后果;影響→consequently adv.因此;所以 15．________ vt.陳述;說明→statement n．說明;說法;表白 16．________ adj.平穩(wěn)的;持續(xù)的;穩(wěn)固的→steadily adv.平穩(wěn)地;持續(xù)地 17．__________ n．生存;存在→exist vi.存在 18．______________n．貢獻(xiàn)→contribute v．貢獻(xiàn);撰稿,quantity,tend,oppose,consequence,state,steady,existence,contribution,[高頻短語] 1．______________ 發(fā)生;造成 2．_______________ 同意;贊成;訂購 3．______________ 大量的 4．_________ 上升;增長;升起 5．___________ 導(dǎo)致 6．_____________ 反對(duì)… 7．__________ 即使,come about,subscribe to,quantities of,go up,result in,be opposed to,even if,8．___________ 繼續(xù) 9．______________ 大體上;基本上 10．_____________作為…的代言人 11．______________ 忍受;容忍 12．____________ 只要 13．____________ 等等,keep on,on the whole,on behalf of,put up with,so long as,and so on,[典型句式] 1．There is no doubt that.毫無疑問…… _______________________the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon. 毫無疑問,地球是在變暖,而地球變暖正是人類活動(dòng)導(dǎo)致而成,并非是一種無規(guī)律的自然現(xiàn)象。 2．現(xiàn)在分詞作結(jié)果狀語 It means that more heat energy tends to be trapped in the atmosphere_________ the global temperature to go up.這就意味著更多的熱量被困在大氣層中,從而引起全球氣溫上升.,There is no doubt that,causing,3．賓語從句中的強(qiáng)調(diào)句 They also agree that it is the burning of more and more fossil fuels _____________________this increase in carbon dioxide. 他們還贊同正是由于越來越多燃燒化石燃料導(dǎo)致了二氧化碳的增加。 4．so long as“只要”,引導(dǎo)條件狀語從句 It is OK to leave an electrical appliance on ____________you are using it — if not, turn it off！只要你在使用電器設(shè)備,你可以讓它開著,如果不用就把它關(guān)掉！,that has resulted in,so long as,5．even if “即使;盡管”,引導(dǎo)讓步狀語從句 _________________________the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or centuries. 即使我們開始減少二氧化碳和其他溫室氣體的含量,在未來幾十年或幾個(gè)世紀(jì)內(nèi),氣候仍會(huì)持續(xù)轉(zhuǎn)暖。,Even if we start reducing,[單元語法] it用法(Ⅱ),1．When asked to explain ________ made his lessons so exciting, the teacher kept silent. A．what it was that B．that what it was C．what was it that D．that what was it,2. Is it he or you ________in charge of the job and supposed to complete it punctually? A．who is B．that is C．who are D．whom are,1. subscribe,The authorities no longer subscribe to the view that disabled people are unsuitable as teachers. My main reason for subscribing to New Scientist is to keep the pace of advances in science. 所有人都同意這種觀點(diǎn)：吸煙對(duì)我們的健康有不好的影響。 All people subscribe to the view that smoking has a bad effect on our health.,2. quantity,由于破壞了森林,大量的沙漠覆蓋了陸地。 As a result of destroying the forests, a large quantity of desert has covered the land. 隨著更多的森林被毀,每年有大量肥沃的泥土被沖走。 With more forests destroyed, huge quantities of good earth are being washed away each year.,3. oppose,我們堅(jiān)決反對(duì)幫助那個(gè)有煙癮的年輕人。 We are firmly opposed to helping the young man (who are) addicted to alcohol. 父母極力反對(duì)女兒出國。 The parents strongly opposed their daughter going abroad.,4. range,College students are of many different ages and come from a wide range of social, cultural and economic backgrounds. 正常情況下,這兒的氣溫在十至三十度之間。 Normally the temperature here ranges from ten to thirty degrees.,5. average,(2012高考四川卷) Scientists believe the world’s average temperature has risen by about 0.8℃ since 1900. 湯姆在學(xué)校的功課在一般以上,而哈利的功課在一般以下。 Tom’s work at school is above (the) average, while Harry’s is below (the) average.,用glance, glare, stare填空 (1)He walked and _______ at his watch now and then. (2)They ____________ at each other across the table after the quarrel. (3)It is bad manners to ____ at strangers in the public.,glanced,glared,stare,6. glance,是時(shí)候我們每天花點(diǎn)時(shí)間來瀏覽一下報(bào)紙。 It is time that we set aside some time to glance at the newspaper.,7. circumstance,她明確表示,無論如何她都不會(huì)取消旅行。 She made it clear that under no circumstances would she cancel the trip.,7. circumstance,她明確表示,無論如何她都不會(huì)取消旅行。 She made it clear that under no circumstances would she cancel the trip.,這個(gè)工廠燃燒了大量的化石燃料，這是怎么回事呢？ How did it come about that huge quantities of fossil fuels are burnt in this factory? 眾所周知,隨著經(jīng)濟(jì)的發(fā)展,小汽車的數(shù)量在迅速增加,結(jié)果導(dǎo)致了諸多社會(huì)問題。 As we know, with the development of economy, the number of cars is increasing very rapidly, thus resulting in some social problems.,