高中英语 Unit3SectionA同步精品课件 重庆大学版必修5VIP免费

SectionAGettingReadyandReading课堂互动探究Unit1预习多维感知SectionA预习多维感知Ⅰ.词语翻译1．atleast________________2．abovethelevelofthesea________________3．faraway________________4.becoveredwith/by...________________5．makeup________________6．playarolein...________________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Ⅱ.句型必背1．Theflatteningandswellingaretoosmalltosee.(两极的)扁平和(赤道的)凸出都无法察觉。2．Thepartofthesoilinwhichcropsgrowisrarelymorethan20inchesdeep.能耕种庄稼的那部分土壤很少超过20英寸。3．ItmaytakeyouweekstoclimbMountEverest，whichisalittlemorethan5.5milesabovesealevel.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。Ⅲ.根据课文“OurEarth”完成短文Theearth，the1.____________planetfromthesun，madeupoftheshrinkingandclumpingtogetherofavastcloudof2.____________andgasin3.____________space，wasformedatleast4.____________billionyearsago.Seenfromspace，itlookslikeaperfect5.____________.Nearlythreequartersoftheearth’ssurfaceiscoveredwithwater，almostallofwhichmakesuptheoceanswhichplayaveryimportant6.____________inkeepingtheearth’s7.____________relativelystable.Onefourthoftheearth’ssurfaceis8.____________，aboutonefifthofwhichisalwayscoveredbyice.Theverythin9.____________ofair，soilandwaterformaverynarrowbandfromthebottomoftheseatothetopofthethickestpartoftheatmosphere，thebiosphere，withinwhichalllivingthing10.____________.答案：1.third2.dust3.outer4.five5.ball6.role7.temperature8.land9.coverings10.exist课堂互动探究1.shrinkItwasformedfromtheshrinkingandclumpingtogetherofavastcloudofdustandgasinouterspace.(page34)词汇精研词汇精研观察理解1)Themarketfortheirproductsisshrinking.2)Wemadeitcleartothemthatwewouldnotshrinkfromconfrontation.3)Mysweatershrankinthewash.归纳拓展1)vt.&vi.收缩，(使)皱缩，缩短，减少2)vi.退缩，畏缩3)shrinkfromsth.畏缩，回避(困难)等现学现用翻译填空1)Theydidnot____________doingwhatwasright.只要做得对，他们就无所畏惧。答案：shrinkfrom2.riseThisisaverysmallrisewhencomparedwiththesizeofthewholeearth.(page34)观察理解1)Tenantsfacea20%rentrise.2)Housepricesarelikelytorisetowardstheendofthisyear.3)Herosetohisfeetandtappedonthetableasiftospeak.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arosearisen现学现用单项填空2)Nofurtherfinancialproblem________，butwestillcouldn’tmakebothendsmeet.A．roseB．aroseC．arousedD．raised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。翻译填空3)Anewcrisishas________.新危机已经出现。4)Pricesare________.物价正在上涨。5)They________theirofferto$500.他们将出价抬高到500美元。答案：3)arisen4)rising5)raised3.existTheearthistheonlyplanetonwhichwatercanexistinliquidformonthesurface.(page34)观察理解1)Otherwonderfulworldexistsallaroundus.2)Thereexistmanyopportunitiesforregionaldevelopment.3)Thislawcameintoexistencein1918.归纳拓展existon...靠……为生existby...靠……方式为生existin...存在于……之中Thereexists/existed...某地有……；存在existencen.存在；生存comeintoexistence产生；开始存在inexist...