高中英语 Unit3SectionA同步精品课件 重庆大学必修5

1、2021/8/11 星期三1Section AGetting Ready and Reading2021/8/11 星期三2课堂互动探究Unit 1预习多维感知Section A2021/8/11 星期三3预习多维感知.词语翻译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.遥远；深远4.被所覆盖5.形成、构成或组成某物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.(两极的)扁平和(赤道的)凸出都无法察觉。2The part of the soil in which crops grow is rarely more than 20 inches deep.能耕种庄稼的那部分土壤很少超过20英寸。3It may take you weeks to climb Mount Everest，which is a little more than 5.5 miles above sea level.你可能需要花费好几周的时间才能登上珠穆朗玛峰，它高出海平面5.5英里多

3、。2021/8/11 星期三6.根据课文“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课堂互动探究1.shrinkIt was formed from the shrinking and clumping together of a vast cloud

6、 of dust and gas in outer space.(page 34)词汇精研2021/8/11 星期三9观察理解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归纳拓展1)vt.& vi.收缩，(使)皱缩，缩短，减少2)vi.退缩，畏缩3)shrink from sth.畏缩，回避(困难)等2021/8/1

7、1 星期三11现学现用翻译填空1)They did not _ doing what was right.只要做得对，他们就无所畏惧。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)观察理解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比较网站rise，raise，arise原形意义用法过去式过去分词rise上升，升起主语自身移向更高的位置roserisenraise举起，抬高主语的动作作用于其他事物，也可表示抽象意义，如提高觉悟等raisedraisedarise出现，发生常用于事物或问题的出现arosearisen2021/8/11 星期三14现学现用单项填空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：选B。考查动词辨析。句意：虽然没有出现进一步的经济问题，但我们仍然不能做到收支平衡。rise自然事物/景物的升起；arise(尤指问题或困境)发生，产生，出现；arouse激起，引起(情感、态度)；raise举起，抬起，抚养，为及物动词。结合语意及用法，B项最佳。2021/8/11 星期三16翻译填空3)A new crisis has _.新危机已经出现。4)Prices are _.物价正在上涨。5)They _ their offer to $500.他们将出价抬高到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)观察理解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归纳拓展exis

11、t on. 靠为生exist by. 靠方式为生exist in. 存在于之中There exists/existed. 某地有；存在existence n. 存在；生存come into existence 产生；开始存在in existence 存在2021/8/11 星期三19现学现用6)I can hardly _ on the wage Im getting；there is no money for luxuries.Aexcite BexitCexist Dexact解析：选C。句意：我靠我挣的工资简直难以糊口，根本无钱享受。本空缺少的是谓语动词，exist意为“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观察理解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归纳拓展at least 起码，至少，不管怎样at the very least 最起码not the least(not in the least/not at all)一点也不，绝不least of all(在许多之中)最不的2021/8/11 星期三23现学现用7)The house still needed a lot of work，but _ the kitchen was finished.Ainstead BaltogetherCat once Dat least解析：选D。句意：房子还需要

14、很多工作，但至少厨房已经完工。instead代替，而不是；altogether总共；at once立刻，马上；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观察理解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归纳拓展make up for 弥补；补偿make up with. 与言归于好be made up of. 由组成2021/8/11 星期三27现学现用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：选B。make out分辨，理解；make up编造，弥补；make up for弥补；make over改做，重做。根据句意可知选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)(两极的)扁平和(赤道的)凸出都无法察觉。2021/8/11 星期三29句法简析(1)tooadj./adv.t

17、o do sth.太而不能做某事，表示否定意义。That crossword is too difficult for me to guess.那种纵横字谜对我来说太难了，我猜不出来。(2)某些形容词与too.to.句型连用时，too(very)表示肯定的意义。这些形容词多为表示情感的词，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.他们好像过分

18、紧张，并且十分急于离开。(3)“too.to.”结构和never，not等否定副词连用时，表示肯定意义，意为“无论也不过分，越越好”。We are never too old to learn.活到老，学到老。2021/8/11 星期三31(4)如在too前加上only，but，all，simply或just时，表示肯定意义。Sadly this kind of rude behaviour is becoming all too common these days.如今这种粗鲁行为正变成常见之事，令人悲哀。2021/8/11 星期三32现学现用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：选A。考查固定用法。never be too careful意为“再怎么仔细也不为过，越仔细越好”。故答案为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)你可能需要花费好几周的时间才能登上珠穆朗玛峰，它高出海平面5.5英里多。2021/8/1