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1、2022年高中英語 Unit 4 astronomy Language points導(dǎo)學(xué)案學(xué)習(xí)目標(biāo) ： 1. 扎實(shí)掌握Reading I中的重點(diǎn)單詞和短語的用法，提升自己的理解力和記憶力； 2. 自主學(xué)習(xí)，合作探究；學(xué)會(huì)分析與總結(jié)的方法，并能學(xué)以致用； 3. 激情投入，瘋狂記憶，體驗(yàn)學(xué)習(xí)的快樂。學(xué)習(xí)重點(diǎn)：exist; puzzle 等詞的用法 預(yù) 習(xí) 案I. 重點(diǎn)短語完形1. in all _ 向四面八方2make up ones_決心3prevent._.阻止4_eggs下蛋5_ones turn 輪到某人；接著6get the hang_熟悉；掌握；理解7watch_密切注視；當(dāng)心；提防

2、look_當(dāng)心8depend_依靠9_time及時(shí)，終于,遲早，早晚10give_生產(chǎn)；分娩11block_擋住(光線)II. 經(jīng)典句型應(yīng)用1This produced a chain reaction, which _ for life to develop.這樣產(chǎn)生的連鎖反應(yīng)，使生命發(fā)展成為可能。2_ water was to be fundamental to the development of life.水會(huì)對(duì)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。3_ _ life will continue on the earth millions of years to e will _

3、 _ whether this problem can be solved.那么在未來的數(shù)百萬年中，生命能否在地球上延續(xù)取決于這個(gè)問題能否得到解決。4The earth became _ violent _ it was not clear whether the shape would last or not.地球變得如此猛烈，以至于它的形狀能否持久還不清楚。訓(xùn) 練 案1violent adj. (P25)猛烈的；激烈的；強(qiáng)暴的必會(huì)violent crime暴力犯罪 violent storm 暴風(fēng)驟雨violent behaviour 暴力行為 violently adv. 猛烈地；激烈地

4、violence n. 暴力；暴行 take.by violence 強(qiáng)奪The violent wind dashed the ship violently against a huge rock.狂風(fēng)將船猛地推向一塊巨大的礁石Meanwhile the violence continued in Syria.在此期間，敘利亞暴力沖突仍然在持續(xù)。2unlike prep. 與不同；adj. 不相似的；不同的教材原句Water had also appeared on other planets like Mars but，unlike the earth，it had disappeared

5、 later.(P26)水已經(jīng)在其它星球上消失了，比如火星，但不像地球，它消失的晚一些。必會(huì)unlikely adj.不可能的It is unlikely that. 不可能sb. / sth. be unlikely to do sth. 不可能做某事Her latest novel is quite unlike her earlier works.她最近的小說和她以前的作品截然不同。It is unlike Beth to drink so much. I wonder if she is all right.貝思喝這么多可不像她平時(shí)，我想知道她是否安好。特別提醒你可知道unlike和d

6、islike在詞性和意思上毫不相干？_This book is quite _ anything Ive ever read before.AlikelyBunlikelyCdislike Dunlike3exist vi. 存在；生存教材原句They laid eggs too and existed on the earth for more than 140 million years.(P26)它們也生蛋，在地球上存在了14000多萬年。必會(huì)exist on 靠為生 exist by 靠方式為生 exist in 存在于之中There exist. 某地有；存在 e into exis

7、tence 產(chǎn)生；成立；開始存在in existence 存在方法規(guī)律 exist永遠(yuǎn)是一個(gè)不及物動(dòng)詞，exist on和live on同義，exist in和lie in同義。She exists on tea and bread. 她靠茶和面包度日。This law came into existence in 1918.這項(xiàng)法律產(chǎn)生于1918年。_ exist many opportunities for regional development.地區(qū)的發(fā)展存在許多機(jī)會(huì)。(xx唐山質(zhì)檢)It is said that this old building has_for more than

8、 three hundred years.Aexisted Bappeared Cbeen built De into being4thus adv. (P26) 因此；于是 thusin this way/so He studied hard, and thus he got high marks. 他學(xué)習(xí)用功，因此取得了好成績。 易錯(cuò)提醒：thus是副詞，不是連詞，不能引導(dǎo)從句。Norman Cousins forgot to turn on TV and _ missed the important football match.Athus Byet Cstill Deven5puzzl

9、e vt. 使迷惑；使為難；使窘困；感到迷惑 n(游戲的)猜謎；難題；謎教材原句How life began on earth is one of the biggest puzzles that scientists found hard to solve.(P27)地球生命如何起源是科學(xué)家們覺得很難解決的最大的難題之一。必會(huì)puzzle over/about sth. 苦苦思索；仔細(xì)琢磨puzzled adj. 迷惑不解的(常用來修飾人及聲音、表情、微笑等)puzzling adj. 令人迷惑不解的(常用來修飾事物)What puzzles me is why he left the co

10、untry without telling anyone.令我百思不解的是他為什么悄悄地離開了這個(gè)國家。I have been puzzled over/about this question for weeks.我對(duì)這個(gè)問題已冥思苦想了好幾個(gè)星期。方法規(guī)律你能體會(huì)出“Im confused”和“Im puzzled”的區(qū)別嗎？老師告訴你，confused強(qiáng)調(diào)“混亂，糊涂，混淆”。Dont confuse Austria with Australia. puzzled 強(qiáng)調(diào)“困惑不解”。Her _ look on her face suggested she didnt understand

11、what I said.她臉上迷惑的表情表明她不明白我說的話。6crash vt. vi (P29)撞毀；墜毀；發(fā)出巨響；倒閉； n. 相撞，碰撞；撞擊聲一句背誦 The plane crashed in the mountains and forty one people was killed in the plane crash.那架飛機(jī)在山中墜毀了，41人在飛機(jī)失事中喪生。7. in time (P25)及時(shí)；終于；總有一天必會(huì)on time 準(zhǔn)時(shí)；按時(shí) in no time 立即；馬上at a time 一次；每次 at one time 曾經(jīng)；一度at times 有時(shí) for th

12、e time being 暫時(shí)take ones time 別著急；慢慢來方法規(guī)律 in time表達(dá)“總有一天”時(shí)，謂語往往要用將來時(shí)，at one time作狀語時(shí)，謂語要用過去時(shí)。If you keep on, you will succeed in time.如果堅(jiān)持下去，總有一天你會(huì)成功的。Well have that leak fixed in no time.我們馬上就把那個(gè)漏洞補(bǔ)上。Dont recite all together; one at a time.不要一起背誦，一次一個(gè)。He seldom, or only at times quarrels with other

13、s.他很少，或者說只是有時(shí)和別人爭吵。The doctor came _ _ to save her life.醫(yī)生及時(shí)趕到救了她的命。(xx江蘇)Thank God youre safe! I stepped back, just _ to avoid the racing car.A. in time Bin case Cin need Din vain8prevent.from. (P26) 阻止/制止做必會(huì)stop sb. (from) doing sth. 阻止某人做某事keep sb. from doing sth. 阻止某人做某事protect sb. from.保護(hù)某人不受侵襲

14、keep sb. doing sth.讓某人一直做某事What can we do to prevent the disease from spreading? 我們能做些什么來防止這種疾病的蔓延呢？We must keep them from getting to know our plans. 我們必須防止他們知道我們的計(jì)劃。Wear more clothes to protect yourself from the cold. 多穿點(diǎn)衣服以免凍著。9. block out (P29) 擋??；遮住(光線聲音等)必會(huì)block sb./sth. in 把某人/某物堵住block.off 堵住

15、；封鎖block.up 塞住，封住Black clouds can never block out the sun.烏云不能永遠(yuǎn)遮住太陽。Dont park your car here; youll block my car in.別把車停在這兒。你會(huì)把我的車堵在里面的。Police blocked off the city centre streets.警方封鎖了市中心的街道。訓(xùn) 練 案一、根據(jù)句意填入單詞或短語的正確形式。1. The professor has brought in a good （系統(tǒng)）of teaching language from abroad.2. There

16、are many （理論） about the origin of life.3. Children should not be allowed to watch (暴力的） movies.4. I believe the affair is (有害的）to the pany.5. The old lady (生存）only on coffee and bread.6. She listened with a (困惑的）expression on her face.7. The moons (拉力）on the sea causes the waves. 8. Why do you want

17、to kill the hens that （下蛋）eggs every day?9. Doctors say many diseases can be (預(yù)防） from spreading by washing our hands.10. I stayed up last night, so today I cant (振作）up.二、詞匯串記Our geography teacher says the earth is only one of the planets of the giant _ . other planets, life on the earth, but lifes

18、origin is still a . Different and cultures have separate ideas. The teacher says it may be divided into four stages.The first stage is about how the universe began. A widely accepted can explain it. After the “Big Bang” , began to form and bine to create stars and other bodies. The second stage is h

19、ow the earth formed. Between 4.5 and 3.8 years ago, clouds and dust in space settled into a solid . The earth became that it often exploded. The and water appeared. Water is a matter for life to exist on the earth. It also dissolves gases and acids. The third stage is about plants and animals appear

20、ance. At first, plants in the water appeared and . They produced , which encourages animals in the water to exist. Later, green plants on the land caused animals on the land to appear. They first and became babies. Later, mammals babies directly. The last stage is that humans became the most important animals on the earth. We put too much carbon dioxide in the to cause global warming. We must how things will go and make laws to the earth being too hot. we have taken measures, we will succeed . So lets and work together.