英語必修三第四單元

1、編輯課件1Unit 4Astronomy: the science of the stars編輯課件2第一課時(shí)Warming up & Reading編輯課件3vEach religion and culture has its own ideas about how life began on earth. What do you know about them?編輯課件4編輯課件5編輯課件6編輯課件7編輯課件8重點(diǎn)單詞重點(diǎn)單詞1astronomy n天文學(xué)天文學(xué)astronomer n天文學(xué)家天文學(xué)家2system n系統(tǒng)；體系；制度系統(tǒng)；體系；制度3theory n學(xué)說；理論學(xué)說

2、；理論4. religion(n.)宗教，宗教信仰宗教，宗教信仰religious(adj.)宗教上的宗教上的5globe n球體；地球儀；地球球體；地球儀；地球global adj.全球性的；全全球性的；全世界的世界的6. violent adj.猛烈的；激烈的；強(qiáng)暴的猛烈的；激烈的；強(qiáng)暴的violence n暴力暴力violently adv.猛烈地猛烈地 編輯課件97. fundamental(adj.)基本的；基礎(chǔ)的基本的；基礎(chǔ)的8. atmosphere n大氣層；氣氛大氣層；氣氛9. unlike prep.不同；不像不同；不像dislike vt.不喜歡不喜歡10.presenc

3、e n出席；到場(chǎng)；存在出席；到場(chǎng)；存在present adj. & n. & v在場(chǎng)的；目前，現(xiàn)在；出席；頒發(fā)，授予在場(chǎng)的；目前，現(xiàn)在；出席；頒發(fā)，授予11. harmful adj.有害的；傷害的有害的；傷害的harm n危害，害處危害，害處harmless adj.無害的無害的12chain(n.)鏈子；連鎖；鎖鏈鏈子；連鎖；鎖鏈編輯課件10vexactly 精確地，準(zhǔn)確地，確切地 exact adj. eg. Your answer is exactly right.vhappen take place Great changes have taken place in

4、my hometown in the last thirty years.編輯課件11uaccording to 根據(jù)，按照，據(jù).所說 翻譯：Everything went accoring to plan.u theory a formal set of ideas that explain why sth. happens n. 學(xué)說，理論u throw-threw-thrown throw away 扔掉編輯課件12v direction 方向v matter 物質(zhì) 事情，問題 拓展： as a matter of fact in fact actually編輯課件13vcombine

5、.with .把.與.結(jié)合起來 翻譯：They live happily because they combine their work with pleasure. vcreate creative creativity v. adj. n. 創(chuàng)造 有創(chuàng)造力的 創(chuàng)造力 編輯課件14vbody 身體，軀干 天體vuncertain 不確定的 certain 確定的 certainly adv.vsettle into 安定下來，穩(wěn)定下來 settle down 定居，安定下來編輯課件15vsolid 堅(jiān)固的，結(jié)實(shí)的vglobe n球體；地球儀；地球球體；地球儀；地球global adj.全球性

6、的；全球性的；全世界的全世界的編輯課件16u violent adj.猛烈的；激烈的；強(qiáng)暴的猛烈的；激烈的；強(qiáng)暴的violence n暴力暴力violently adv.猛烈地猛烈地u so .that. 如此如此.以至于以至于.造句：他是如此的有趣以至于每個(gè)人都很喜歡他。編輯課件17vHe is so funny that everyone likes him very much.vit is not clear whether .or not .還不確定, 還不清楚 句子仿寫： 他要不要來還不確定編輯課件18vIt is not clear whether he will come or

7、not.編輯課件19 來得及；及時(shí) If you catch the early bus, youll get there in time. 如果你趕上早班車，你會(huì)及時(shí)到達(dá)那兒的。 Will we be in time for the six oclock train? 我們來得及趕上六點(diǎn)鐘的那趟火車嗎？vin time編輯課件20vatmosphere (n.)(1)(圍繞地球的)大氣；大氣層；大氣圈(2)C(房間、封閉空間或某處的)空氣 These plants love warm, humid atmosphere.這些植物喜歡溫暖潮濕的空氣。(3)C & U 氣氛； 氛圍The

8、 atmosphere changed as soon as she walked in.她一進(jìn)來氣氛就變了。編輯課件21vappear 出現(xiàn)v. appearance n.vdisappear 消失v. disappearance n 知識(shí)點(diǎn)回顧：The fact is that I earned my passage by working as an unpaid hand, which accounts for my appearance.( unit 3, page 18)編輯課件22vunlike prep.不同；不像vWater had also appeared on other

9、 planets like Mars but, unlike the earth, it had disappeared later.v在火星等其他行星上也出現(xiàn)了水，但不像在地球上一樣，這些水后來消失了。vIts unlike him to be late; hes usually on time.v他不是會(huì)遲到的那種人；他通常很準(zhǔn)時(shí)。編輯課件23易易 錯(cuò)錯(cuò) 點(diǎn)點(diǎn) 撥撥自我完善自我完善誤區(qū)備考誤區(qū)備考1. unlike/dislike/alike/likely(1)unlike prep.不同；不像不同；不像(2)dislike vt. 不喜歡不喜歡(3)alike adj. 相似的，同樣的相

10、似的，同樣的(4)likely adj. 很可能發(fā)生的，有希望的很可能發(fā)生的，有希望的It is likely/unlikely that.有/沒有可能.編輯課件24vfundamental 基礎(chǔ)的，基本的v Hard work is fundamental to success.v勤奮工作是成功的基礎(chǔ)。vdevelopment n. 發(fā)展 develop v. developed （社會(huì)，國家）發(fā)達(dá)的 deloping 發(fā)展中的v造句：中國是一個(gè)發(fā)展中的國家編輯課件25vpresence n出席；到場(chǎng)；存在出席；到場(chǎng)；存在present adj. & n. & v在場(chǎng)的；目前

11、，現(xiàn)在；出席；頒發(fā)，在場(chǎng)的；目前，現(xiàn)在；出席；頒發(fā)，授予授予 at present 現(xiàn)在，目前現(xiàn)在，目前編輯課件26編輯課件27vchain n鏈子，連鎖；鎖鏈vThis produced a chain reaction，which made it possible for life to develop.v這就產(chǎn)生了一個(gè)連鎖反應(yīng)，使生命的發(fā)展成為可能。vHe is in a poor taste with a thick gold chain round his neck.v他戴著一條粗粗的金鏈子，顯得俗氣。編輯課件28重點(diǎn)短語重點(diǎn)短語1in time及時(shí)；終于及時(shí)；終于2accordin

12、g to 據(jù)據(jù).所說；根據(jù)，按照所說；根據(jù)，按照3. combine .with. 把把.與與.結(jié)合起來結(jié)合起來4. settle into 穩(wěn)定下來穩(wěn)定下來5. allow(permit) sb. to do sth. 允許某人做某事允許某人做某事編輯課件29.完成句子1地球變得激烈動(dòng)蕩，不知道這個(gè)固體形狀是否會(huì)繼續(xù)存在下去。The earth became_ it was not clear whether the shape would last or not. (so. that.如此以至于)編輯課件302噴出的烈火與巖石及時(shí)產(chǎn)生了碳、氮?dú)?、水蒸氣和其他氣體，從而形成了地球的大氣層。T

13、hey_ carbon, nitrogen, water vapour and other gases, which _ the earths atmosphere. (be in time to do sth.及時(shí)做某事；be to do sth.常用來表示不可避免將要發(fā)生的事情)編輯課件313水對(duì)于生命的發(fā)展起關(guān)鍵作用，這一點(diǎn)在當(dāng)時(shí)并不明顯。_water was to be fundamental to the development of life. (It is obvious that.很明顯)編輯課件324很多科學(xué)家相信，由于地球上長期有水存在，使地球得以把有害氣體和酸性物質(zhì)溶解在海洋里。_the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. 編輯課件33v5. This produced a chain reaction, which _. 這就產(chǎn)生了一系列的反應(yīng)，使得生命的發(fā)展成為可能。編輯課件34答案：1.so violent that2.were in time to produce; were to make3.It was not