2012年高考英語(yǔ)復(fù)習(xí)課件：Unit 4 Astronomy：the science of the stars （新課標(biāo)人

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2012年高考英語(yǔ)復(fù)習(xí)課件：Unit 4 Astronomy：the science of the stars （新課標(biāo)人教版必修3）,Unit 4 │ Astronomy：the science of the stars,Unit 4 Astronomy：the science of the stars,Unit 4 │ 美文佳句,誦美文 下圖描述的是全球環(huán)境問(wèn)題。請(qǐng)仔細(xì)觀察這幅漫畫，用英語(yǔ)寫一篇短文，闡明漫畫中所反映的問(wèn)題，并提出解決此問(wèn)題的方法(至少三點(diǎn))。,Unit 4 │ 美文佳句,注意： 1．仔細(xì)品味圖中文字的韻味，可以適當(dāng)發(fā)揮想象，不要做簡(jiǎn)單描述； 2．詞數(shù)120左右。開(kāi)頭已經(jīng)寫好，不計(jì)入總詞數(shù)；3．作文中不得提及考生所在學(xué)校和本人姓名。From the picture, we can see that__________________________________________________________________________________________________________,Unit 4 │ 美文佳句,From the picture, we can see that pollution is posing a threat to our earth, which comes in many ways. Millions of chimneys of the factories are pouring heavy smoke into air, which causes serious air pollution. A large amount of waste water from the factories pollutes water, making our rivers fishless and our water unfit to drink and swim in. Furthermore, a lot of trees have been cut down without proper plans, which contributes to the soil being washed away. It seems that we really have no clean place to live in.,Unit 4 │ 美文佳句,The pollution is so serious that we have to find effective solutions to it. As far as I am concerned, the government should make laws to reduce polluted air. Some measures should be taken to purify the water before it is poured into the rivers or the seas. We should plant more trees to keep the soil in place. What’s more, people should be further educated to realize the importance of environmental protection. Thus, we will have a clean and tidy environment.,Unit 4 │ 美文佳句,背佳句 1．From the picture, we can see that pollution is posing a threat to our earth, which comes in many ways. 從圖中我們可以看到，污染從方方面面構(gòu)成了對(duì)我們地球的威脅。 [賞析] 該句是圖畫作文的萬(wàn)能開(kāi)篇句，用現(xiàn)在進(jìn)行時(shí)形象地描述了圖畫的內(nèi)容，為了提高句子的表達(dá)檔次，還使用了一個(gè)which引導(dǎo)的非限制性定語(yǔ)從句。,Unit 4 │ 美文佳句,2．A large amount of waste water from the factories pollutes water, making our rivers fishless and our water unfit to drink and swim in. 工廠排出的大量廢水污染了水源，使我們的河流里沒(méi)有了魚(yú)，我們的水不能飲用也不能在里面游泳。 [賞析] 該句使用了現(xiàn)在分詞短語(yǔ)做結(jié)果狀語(yǔ)，生動(dòng)地描繪了污染的嚴(yán)重后果。 3．The pollution is so serious that we have to find effective solutions to it. 污染是如此嚴(yán)重，以致我們必須找到行之有效的解決方案。 [賞析] 該句使用了“so…that”結(jié)構(gòu)，that引導(dǎo)的是結(jié)果狀語(yǔ)從句。,Unit 4 │ 美文佳句,4．What’s more, people should be further educated to realize the importance of environmental protection. 此外，應(yīng)該進(jìn)一步教育人們，使其意識(shí)到環(huán)境保護(hù)的重要性。 [賞析] 該句使用了含有情態(tài)動(dòng)詞的被動(dòng)語(yǔ)態(tài)，使用了“educate sb. to do sth.”結(jié)構(gòu)的被動(dòng)語(yǔ)態(tài)。,Unit 4 │ 課前熱身,Ⅰ.單詞拼寫 1．What are the differences between the American and British _______(制度)of the government? 2．A number of gases forms the _____________(大氣)． 3．Her school report shows that she is weak at/in arithmetic and _________(生物學(xué))． 4．If you are in trouble, do you believe God e______? 5．We should not only know the t_______ but also how to apply it in practice.,systems,atmosphere,biology,xists,heory,Unit 4 │ 課前熱身,6．He spent the whole afternoon _________ (拔) weeds in the garden. 7. ________(不同于) his brother, he works hard and makes much progress. 8．There is a v_______ wind outside and the snow is so heavy. 9．What ________(使困惑) me most is why they doesn't show up. 10．It is h_______ to your health to drink too much alcohol.,pulling,Unlike,iolent,puzzles,armful,Unit 4 │ 課前熱身,Ⅱ.完成短語(yǔ) 1．下蛋 _____eggs 2．密切注視；當(dāng)心；提防 watch ____ 3．既然 _____that 4．產(chǎn)生；分娩 give ______to 5．及時(shí)；遲早 ____ time 6．阻止；制止 prevent… _____ 7．感到高興、振奮 cheer ____ 8．突發(fā)；爆發(fā) break ____,lay,out,now,birth,in,from,up,out,Unit 4 │ 課前熱身,Ⅲ.完成句子 1．謝天謝地，醫(yī)生終于及時(shí)趕到了這里。 Thank God.The doctor___________________________. 2．醫(yī)生們正想方設(shè)法防止癌細(xì)胞擴(kuò)散。 The doctors are making an attempt________________________________________. 3．很明顯他昨天沒(méi)有說(shuō)實(shí)話。 ____________________he didn't tell the truth yesterday.,arrived here just in time,to prevent cancer cells from spreading,It was obvious that,Unit 4 │ 課前熱身,4．既然大家都到了，咱們開(kāi)始上課吧。 __________________________ , we can begin our class. 5．這場(chǎng)雨使我們走遠(yuǎn)路很困難。 The rain _________________________________long distances.,Now that everyone is here,made it difficult for us to walk,Unit 4 │ 單詞點(diǎn)睛,1 unlike prep.不同；不像 like prep. 像，如 unlikely adj. 不太可能的 alike adj. 相似的，同樣的 something like 幾分像…… It's like/unlike sb to do sth 做某事實(shí)在像/不像某人,Unit 4 │ 單詞點(diǎn)睛,【溫馨提示】 unlike為介詞，意為“與……不同，不像”；而dislike則為動(dòng)詞，意為“不喜歡”，通常用作及物動(dòng)詞。 【活學(xué)活用】 (1)與約翰不同，湯姆不喜歡踢足球。 ____________________________________________. (2)連招呼都不打這不像你。 __________________________________.,Unlike John, Tom dislikes playing football,It's unlike you not to say hello,Unit 4 │ 單詞點(diǎn)睛,2 exist vi.存在；生存 exist on (＝live on)sth 靠某物生存 existence n. 存在；實(shí)有 come into existence 產(chǎn)生；存在 in existence 現(xiàn)存的；現(xiàn)有的 【活學(xué)活用】 1．同義句轉(zhuǎn)換 (1)This new country came into being in 1951. ＝This new country ____________________in 1951.,came into existence,Unit 4 │ 單詞點(diǎn)睛,(2)Water has three states: gas, liquid and solid. ＝ Water __________three states: gas, liquid and solid. 2．根據(jù)漢語(yǔ)意思完成句子 (1)沒(méi)有空氣，人就活不了。 A man _____________ without air. (2)你相信上帝的存在嗎？ Do you believe in ______________________?,exists in,can't exist,the existence of God,Unit 4 │ 單詞點(diǎn)睛,3 puzzle n．謎；難題vt.&vi.(使)迷惑；(使)為難 puzzled adj. (被)迷惑的；不解的 puzzling adj. 令人迷惑的 be in a puzzle 不知如何是好 be in a puzzle about… 對(duì)……迷惑不解 be puzzled by… 被……迷惑 puzzle over/about 苦苦思考 puzzle one's brain 苦思冥想；絞盡腦汁,Unit 4 │ 單詞點(diǎn)睛,【溫馨提示】 puzzled意為“迷惑的，不解的”，往往用于指人或人的表情、臉色等；puzzling意為“令人迷惑的，讓人不解的”，往往指物。 【活學(xué)活用】 (1)________________(令我百思不解的)is why they doesn't answer it. (2)Although the teacher has explained the problem three times, I _______________________________ (還是對(duì)那個(gè)題迷惑不解)．,What puzzles me,am still in a puzzle about it,Unit 4 │ 單詞點(diǎn)睛,4 pull n．& vt.拉(力)；拖；牽引力 pull back 拉回來(lái)；縮回；使后退 pull down 拉下(窗簾等)；拆毀；拆掉(房屋等) pull out 拔出；(列車等)駛出，出站，啟程 pull in (列車等)駛進(jìn)，到達(dá)(車站) pull together 齊心協(xié)力，團(tuán)結(jié)起來(lái),Unit 4 │ 單詞點(diǎn)睛,【活學(xué)活用】 (1)她去園子里拔了幾顆蔥頭準(zhǔn)備做飯。 She went into the garden _____________________ for dinner. (2)如果我們齊心協(xié)力，我們可以用一半的時(shí)間完成這項(xiàng)任務(wù)。 _____________________ , we can accomplish the task in half the time.,to pull a few onions,If we pull together,Unit 4 │ 短語(yǔ)儲(chǔ)存,1 in time 遲早(sooner or later)；最后(eventually)；及時(shí)(＝early or soon enough) on time 準(zhǔn)時(shí) ahead of time 提前，提早 all the time 一直；始終 at one time 曾經(jīng)，一度 at a time 每次，逐一 from time to time 有時(shí)，偶爾 in no time 立刻；馬上 time and time again 一次又一次；一再,Unit 4 │ 短語(yǔ)儲(chǔ)存,【活學(xué)活用】 (1)If you keep on, ________________________ (你終究會(huì)成功的)． (2)Don't all speak at once! _______________ (一次一個(gè)人講), please.,you'll succeed in time,One at a time,Unit 4 │ 短語(yǔ)儲(chǔ)存,2 prevent…from 阻止；制止 prevent/stop/keep sb from doing sth 阻止某人做某事 protect…from 保護(hù)……不受……侵襲；擋?。环烙?【溫馨提示】 (1)在主動(dòng)語(yǔ)態(tài)中，stop和prevent的搭配中可省去from；而keep sb/sth from…意為“阻止……，使免于……”，from不可省略。若在被動(dòng)語(yǔ)態(tài)里，這三個(gè)搭配中的from均不可省略。,Unit 4 │ 短語(yǔ)儲(chǔ)存,(2)keep…doing sth意為“使……一直做某事”。 【活學(xué)活用】 (1)Doctors took action to _______________________________________________(防止這種疾病的蔓延)． (2)Of course I can't _____________ (阻止)your going abroad. (3)警察阻止他們攜帶武器。 The police __________________________________________ weapons. ＝ They _____________________________________________weapons.,prevent/stop/keep the disease from spreading,prevent/stop,prevented/stopped/kept them from carrying,were prevented/stopped/kept from carrying,Unit 4 │ 短語(yǔ)儲(chǔ)存,3 cheer up 高興起來(lái)；振作精神 cheer sb on (比賽中)以喝彩聲鼓勵(lì)；為某人加油 cheer the victory 為勝利而歡呼 Cheers! [口語(yǔ)](用于祝酒)干杯！ 【活學(xué)活用】 (1)這消息使他高興起來(lái)。 The news ___________________ . (2)振作起來(lái)！我們的困難很快就會(huì)過(guò)去。 __________! Our troubles will soon be over.,cheered him up,Cheer up,Unit 4 │ 短語(yǔ)儲(chǔ)存,4 now that 既然；由于 in that(相當(dāng)于because, as) 因?yàn)?，由?in that case 假如那樣的話 not that…but that… 不是因?yàn)椤且驗(yàn)椋?非……而是…… 【相關(guān)拓展】 表示原因的短語(yǔ)還有： due to 起因于；歸功于 because of 因?yàn)?在句中作狀語(yǔ)或表語(yǔ)),Unit 4 │ 短語(yǔ)儲(chǔ)存,on account of 為了……的緣故 owing to＝because of/due to 由于；因?yàn)?thanks to 由于；多虧 【溫馨提示】 now that(相當(dāng)于since) 是連詞詞組，用來(lái)引導(dǎo)原因狀語(yǔ)從句，口語(yǔ)中經(jīng)常省略that，只用now，這時(shí)now已經(jīng)失去了“現(xiàn)在”的含義。 【活學(xué)活用】 (1)_____________________________________________(既然你已經(jīng) 完成了工作), you may go now. (2)He didn't attend the negotiation, ________________________ (因?yàn)樗×?．,Since/Now that you have finished your work,because/for he is ill,Unit 4 │ 短語(yǔ)儲(chǔ)存,5 break out 突發(fā)，爆發(fā) break away from 脫離(黨派)；擺脫(控制) break down 毀掉；壞掉；(計(jì)劃/談判)失敗 break up 打碎；拆散；(會(huì)議)結(jié)束；分裂(解體) break off (使)停止；中斷；折斷 break into 強(qiáng)行進(jìn)入 watch out 密切注視；當(dāng)心(單獨(dú)用于祈使句)；提防 watch out for 密切注意，留意；提防 wear out 磨損；用壞 work out 計(jì)算出(答案、數(shù)量等)；設(shè)法弄懂,Unit 4 │ 短語(yǔ)儲(chǔ)存,【活學(xué)活用】 用以上所列短語(yǔ)的適當(dāng)形式完成句子 (1)You can _________the answer by adding all the numbers. (2) My camera batteries_______________.We can't use it to take photos now. (3)Several fights ____________ last night. (4)___________for the tall man.He's a thief.,work out,have worn out,broke out,Watch out,Unit 4 │ 句型透視,But when I tried to step forward I found, I was carried twice as far as on the earth and fell over. …倍數(shù)＋as＋形容詞/副詞＋as… 【句式分析】 該句型表示“……是……的幾倍”，該句型也可用half, one-fourth等詞，表示“是……的一半/幾分之幾”。,Unit 4 │ 句型透視,【相關(guān)拓展】 (1)…倍數(shù)＋as many/much＋名詞＋as… (2)…倍數(shù)＋形容詞/副詞的比較級(jí)＋than… (3)…倍數(shù)＋the＋名詞＋of… (4)The ＋(計(jì)量)名詞＋of＋A＋be＋倍數(shù)＋that＋of＋B. 【注意事項(xiàng)】 (1)在“倍數(shù)＋the＋名詞＋of”結(jié)構(gòu)中，常用的名詞有size，height，weight，length，width等。如： This classroom is twice the size of that one. 這個(gè)教室是那個(gè)教室的兩倍大。,Unit 4 │ 句型透視,(2)兩倍用twice或double，不到一倍用分?jǐn)?shù)表示，三倍或三倍以上一般用times來(lái)表示，如three times, four times。 (3)在實(shí)際運(yùn)用中，有時(shí)根據(jù)語(yǔ)境使用省略句式，應(yīng)注意分辨。,Unit 4 │ 句型透視,【活學(xué)活用】 1．根據(jù)漢語(yǔ)提示完成句子 (1)Cats sleep __________________ (是……的兩倍) people. (2)The earth is 49 __________________ (大小是……的……倍) the moon. 2．根據(jù)漢語(yǔ)意思完成句子 這條河是那條河的三倍寬。 This river is ______________________as that one. ＝This river is ______________________of that one. ＝This river is ___________than that one.,twice as much as,times the size of,three times as wide,three times the width,twice wider,Unit 4 │跟蹤訓(xùn)練,1．Before the economic crisis came，John had sensed that the firm was to be ruined and he just in time. A．pulled up B．pulled out C．pulled off D．pulled down,【解析】 B 考查動(dòng)詞短語(yǔ)辨析。句意為：在經(jīng)濟(jì)危機(jī)來(lái)臨之前，John就覺(jué)察到這家公司即將倒閉，于是就及時(shí)退了出來(lái)。A“使車停下”，B“(火車)駛出車站，離開(kāi)”，C“脫去，勝利完成”，D“拆毀 (建筑物)，拖垮”。根據(jù)語(yǔ)意判斷選B，表示“離開(kāi)，辭職”。,Unit 4 │跟蹤訓(xùn)練,2．—Wang Meng won an Olympic gold medal in the women's 1,000m final of speed skating. — ！ A．Congratulations B．Cheer up C．Good news D．A pleasure,【解析】 C 考查交際用語(yǔ)。Congratulations祝賀；Cheer up振作起來(lái)；Good news好消息；A pleasure很榮幸。根據(jù)情景可知此處選C。,Unit 4 │跟蹤訓(xùn)練,3. he is well again, he can go on with his English study. A．Now that B．In case C．So long as D．As far as,【解析】 A 考查連詞辨析。now that“由于，既然”。句意為：既然恢復(fù)了健康， 他就可以繼續(xù)學(xué)習(xí)英語(yǔ)。,Unit 4 │跟蹤訓(xùn)練,4．The young dancers looked so charming in their beautiful clothes that we took pictures of them. A．many of B．masses of C．the number of D．large amount of,【解析】 B many直接修飾可數(shù)名詞，表很多；接介詞of時(shí)，表部分，此時(shí)名詞前需用定冠詞the修飾。many修飾可數(shù)名詞復(fù)數(shù)時(shí)不用of，故A不可選。number用來(lái)表示大量、很多時(shí)，應(yīng)為a number of，故C不可選。a large amount of用來(lái)修飾不可數(shù)名詞。B項(xiàng)masses of是非正式的表達(dá)方式，后跟可數(shù)名詞。,Unit 4 │跟蹤訓(xùn)練,5．Animals suffered at the hands of Man they were destroyed by people to make way for agricultural land to provide food for more people. A．in which B．for which C．so that D．in that,【解析】 D 句意為：動(dòng)物遭受著來(lái)自于人類的滅頂之災(zāi)，因?yàn)槿藗兇輾鼈兪菫榱碎_(kāi)墾更多的耕地來(lái)給更多人提供食物。首先排除A，因?yàn)閕n which引導(dǎo)定語(yǔ)從句，根據(jù)語(yǔ)境此句為因果關(guān)系的狀語(yǔ)從句。in that因?yàn)椋险Z(yǔ)境要求。,Unit 4 │跟蹤訓(xùn)練,6．—I'm thinking of the test tomorrow.I'm afraid I can't pass this time. — ！ I'm sure you'll make it. A．Go ahead B．Good luck C．No problem D．Cheer up,【解析】 D 答話人是在鼓勵(lì)對(duì)方，特別是后面的I'm sure you'll make it(我相信你會(huì)成功的)是給對(duì)方勇氣，因此只有cheer up(振作起來(lái))符合題意。Good luck祝好運(yùn)；No problem沒(méi)問(wèn)題，均不符合題意。,Unit 4 │跟蹤訓(xùn)練,7．Some policemen should be sent to them _______the trees. A．prevent; to cut down B．prevent; cut down C．stop; to cut down D．stop; cutting down,【解析】 D stop/prevent …(from) doing sth意為 “阻止某人做某事”，不能說(shuō)stop/prevent sb to do sth。,Unit 4 │跟蹤訓(xùn)練,8．Judging from his expression, this problem must be quite . A．puzzling; puzzling B．puzzled; puzzled C．puzzling; puzzled D．puzzled; puzzling,【解析】 D puzzled “(被)迷惑的，困惑的”，往往指人或修飾表“人”的表情、臉色的詞語(yǔ)，如expression，look。 puzzling意為“令人困惑的”，往往指物。,Unit 4 │跟蹤訓(xùn)練,9．It was late to catch a bus after the party; , we called a taxi. A．too much; besides B．much too; therefore C．very; though D．far too; also,【解析】 B much too 意為“太……”，修飾形容詞或副詞； 分號(hào)前后為因果關(guān)系，故使用副詞therefore。,Unit 4 │跟蹤訓(xùn)練,10. a certain doubt among the workers as to the necessity of the work. A．There existed B．It existed C．There had D．It had,【解析】 A 此處 There existed a certain doubt…相當(dāng)于There was a certain doubt…There be 結(jié)構(gòu)表示存在，其形式多變，還有There stands…，There lies…等。,Unit 4 │跟蹤訓(xùn)練,11．A fire in the shoe factory last night but_______ soon. A．broke out; put out B．was broken out; was put out C．broke out; was put out D．was broken out; put out,【解析】 C break out “發(fā)生，爆發(fā)”，不能用于被動(dòng)語(yǔ)態(tài)，先排除B、D。put out “把……撲滅”，為及物動(dòng)詞詞組，此處應(yīng)用被動(dòng)語(yǔ)態(tài)。,Unit 4 │跟蹤訓(xùn)練,12．Their mother dinner at the kitchen when a quarrel among the children. A．was preparing；was broken out B．prepared；was broken out C．was preparing；broke out D．prepared；broke out,【解析】 C 短語(yǔ)break out為不及物動(dòng)詞短語(yǔ)，不可用于被動(dòng)語(yǔ)態(tài)，可先排除A、B兩項(xiàng)。根據(jù)語(yǔ)境第一處用過(guò)去進(jìn)行時(shí)態(tài)。句意為：媽媽正在廚房做飯這時(shí)孩子們爭(zhēng)吵起來(lái)了。,Unit 4 │跟蹤訓(xùn)練,13．It's Beth to drink so much. I wonder if she's all right. A．unlike B．dislike C．likely D．unlikely,【解析】 A It's unlike sb to do sth為常見(jiàn)句型，意為“某人做某事可不像他平時(shí)，不像是某人的行為”。unlike為介詞，意為“不像”。,Unit 4 │跟蹤訓(xùn)練,14．We pretend he is alive until after the festival, to________ unhappiness. A．protect B．protecting C．prevent D．preventing,【解析】 C 不定式在此處為目的狀語(yǔ)。prevent阻止，符合句意。protect是“保護(hù)，防護(hù)”的意思。,Unit 4 │跟蹤訓(xùn)練,15．If you keep on your research, you'll find out the result________. A．in time B．a(chǎn)t no time C．on time D．a(chǎn)t the same time,【解析】 A in time除了有“及時(shí)”的意思外，還有“遲早；總有一天”的意思，相當(dāng)于sooner or later。,同學(xué)們,來(lái)學(xué)校和回家的路上要注意安全,同學(xué)們,來(lái)學(xué)校和回家的路上要注意安全,