高中英語 Unit3SectionA同步精品課件 重慶大學(xué)必修5

1、2021/8/11 星期三1Section AGetting Ready and Reading2021/8/11 星期三2課堂互動探究Unit 1預(yù)習(xí)多維感知Section A2021/8/11 星期三3預(yù)習(xí)多維感知.詞語翻譯1at least _2above the level of the sea _3far away _4. be covered with/by. _5make up _6play a role in. _2021/8/11 星期三4答案：1.至少2.海平面以上3.遙遠(yuǎn)；深遠(yuǎn)4.被所覆蓋5.形成、構(gòu)成或組成某物6.在方面起作用2021/8/11 星期三5.句型必背1Th

2、e flattening and swelling are too small to see.(兩極的)扁平和(赤道的)凸出都無法察覺。2The part of the soil in which crops grow is rarely more than 20 inches deep.能耕種莊稼的那部分土壤很少超過20英寸。3It may take you weeks to climb Mount Everest，which is a little more than 5.5 miles above sea level.你可能需要花費(fèi)好幾周的時間才能登上珠穆朗瑪峰，它高出海平面5.5英里多

3、。2021/8/11 星期三6.根據(jù)課文“Our Earth”完成短文The earth，the 1._ planet from the sun，made up of the shrinking and clumping together of a vast cloud of 2._ and gas in 3._ space，was formed at least 4._ billion years ago.Seen from space，it looks like a perfect 5._.Nearly threequarters of the earths surface is cove

4、red with water，almost all of which makes up the oceans which play a very important 6._ in keeping the earths 7._ relatively stable.Onefourth of the earths surface is 2021/8/11 星期三78._，about onefifth of which is always covered by ice.The very thin 9._ of air，soil and water form a very narrow band fro

5、m the bottom of the sea to the top of the thickest part of the atmosphere，the biosphere，within which all living thing 10._.答案：1.third2.dust3.outer4.five5.ball6.role7.temperature8.land9.coverings10.exist2021/8/11 星期三8課堂互動探究1.shrinkIt was formed from the shrinking and clumping together of a vast cloud

6、 of dust and gas in outer space.(page 34)詞匯精研2021/8/11 星期三9觀察理解1)The market for their products is shrinking.2)We made it clear to them that we would not shrink from confrontation.3)My sweater shrank in the wash.2021/8/11 星期三10歸納拓展1)vt.& vi.收縮，(使)皺縮，縮短，減少2)vi.退縮，畏縮3)shrink from sth.畏縮，回避(困難)等2021/8/1

7、1 星期三11現(xiàn)學(xué)現(xiàn)用翻譯填空1)They did not _ doing what was right.只要做得對，他們就無所畏懼。答案：shrink from2021/8/11 星期三122.riseThis is a very small rise when compared with the size of the whole earth.(page 34)觀察理解1)Tenants face a 20% rent rise.2)House prices are likely to rise towards the end of this year.3)He rose to his f

8、eet and tapped on the table as if to speak.2021/8/11 星期三13比較網(wǎng)站rise，raise，arise原形意義用法過去式過去分詞rise上升，升起主語自身移向更高的位置roserisenraise舉起，抬高主語的動作作用于其他事物，也可表示抽象意義，如提高覺悟等raisedraisedarise出現(xiàn)，發(fā)生常用于事物或問題的出現(xiàn)arosearisen2021/8/11 星期三14現(xiàn)學(xué)現(xiàn)用單項填空2)No further financial problem _，but we still couldnt make both ends meet.A

9、roseBaroseCaroused Draised2021/8/11 星期三15解析：選B?？疾閯釉~辨析。句意：雖然沒有出現(xiàn)進(jìn)一步的經(jīng)濟(jì)問題，但我們?nèi)匀徊荒茏龅绞罩胶?。rise自然事物/景物的升起；arise(尤指問題或困境)發(fā)生，產(chǎn)生，出現(xiàn)；arouse激起，引起(情感、態(tài)度)；raise舉起，抬起，撫養(yǎng)，為及物動詞。結(jié)合語意及用法，B項最佳。2021/8/11 星期三16翻譯填空3)A new crisis has _.新危機(jī)已經(jīng)出現(xiàn)。4)Prices are _.物價正在上漲。5)They _ their offer to $500.他們將出價抬高到500美元。答案：3)arisen

10、4)rising5)raised2021/8/11 星期三173.existThe earth is the only planet on which water can exist in liquid form on the surface.(page 34)觀察理解1)Other wonderful world exists all around us.2)There exist many opportunities for regional development.3)This law came into existence in 1918.2021/8/11 星期三18歸納拓展exis

11、t on. 靠為生exist by. 靠方式為生exist in. 存在于之中There exists/existed. 某地有；存在existence n. 存在；生存come into existence 產(chǎn)生；開始存在in existence 存在2021/8/11 星期三19現(xiàn)學(xué)現(xiàn)用6)I can hardly _ on the wage Im getting；there is no money for luxuries.Aexcite BexitCexist Dexact解析：選C。句意：我靠我掙的工資簡直難以糊口，根本無錢享受。本空缺少的是謂語動詞，exist意為“生存”。2021

12、/8/11 星期三204.at leastMany scientists believe that the earth，as well as the sun and the other planets in our solar system，was formed at least five billion years ago.(page 34)2021/8/11 星期三21觀察理解1)Itll take you at least 20 minutes to get there.2)Do you mind if I put the television on?No，not in the leas

13、t!3)I like that least of all.2021/8/11 星期三22歸納拓展at least 起碼，至少，不管怎樣at the very least 最起碼not the least(not in the least/not at all)一點(diǎn)也不，絕不least of all(在許多之中)最不的2021/8/11 星期三23現(xiàn)學(xué)現(xiàn)用7)The house still needed a lot of work，but _ the kitchen was finished.Ainstead BaltogetherCat once Dat least解析：選D。句意：房子還需要

14、很多工作，但至少廚房已經(jīng)完工。instead代替，而不是；altogether總共；at once立刻，馬上；at least至少，符合句意。2021/8/11 星期三245.make upAlmost all of this water makes up the oceans which play a very important role in keeping the earths temperature relatively stable.(page 34)2021/8/11 星期三25觀察理解1)Women make up 56% of the student numbers.2)Th

15、ey two finally made up after two months time without even a single word.3)They made up for their inexperience by careful preparation for each lesson.4)The committee is made up of seven members.2021/8/11 星期三26歸納拓展make up for 彌補(bǔ)；補(bǔ)償make up with. 與言歸于好be made up of. 由組成2021/8/11 星期三27現(xiàn)學(xué)現(xiàn)用8)He had no cho

16、ice but to _ an excuse to explain his being late.Amake out Bmake upCmake up for Dmake over解析：選B。make out分辨，理解；make up編造，彌補(bǔ)；make up for彌補(bǔ)；make over改做，重做。根據(jù)句意可知選B。2021/8/11 星期三28句型巧析1.原句展示The flattening and swelling are too small to see.(page 34)(兩極的)扁平和(赤道的)凸出都無法察覺。2021/8/11 星期三29句法簡析(1)tooadj./adv.t

17、o do sth.太而不能做某事，表示否定意義。That crossword is too difficult for me to guess.那種縱橫字謎對我來說太難了，我猜不出來。(2)某些形容詞與too.to.句型連用時，too(very)表示肯定的意義。這些形容詞多為表示情感的詞，如glad，pleased，surprised，delighted，happy，easy，willing，ready，eager，anxious等。2021/8/11 星期三30They seemed to be too nervous and were too anxious to leave.他們好像過分

18、緊張，并且十分急于離開。(3)“too.to.”結(jié)構(gòu)和never，not等否定副詞連用時，表示肯定意義，意為“無論也不過分，越越好”。We are never too old to learn.活到老，學(xué)到老。2021/8/11 星期三31(4)如在too前加上only，but，all，simply或just時，表示肯定意義。Sadly this kind of rude behaviour is becoming all too common these days.如今這種粗魯行為正變成常見之事，令人悲哀。2021/8/11 星期三32現(xiàn)學(xué)現(xiàn)用1)Must I turn off the ga

19、s after cooking?Of course.You can never be _ careful with that.Atoo BveryCso Denough解析：選A。考查固定用法。never be too careful意為“再怎么仔細(xì)也不為過，越仔細(xì)越好”。故答案為A。2021/8/11 星期三332.原句展示It may take you weeks to climb Mount Everest，which is a little more than 5.5 miles above sea level.(page 35)你可能需要花費(fèi)好幾周的時間才能登上珠穆朗瑪峰，它高出海平面5.5英里多。2021/8/1