高中英语 Unit3SectionC同步精品课件 重庆大学版必修5VIP专享VIP免费

SectionCListeningandSpeaking，Writing，FurtherReading课堂互动探究预习多维感知写作专题突破SectionC预习多维感知Ⅰ.词语翻译1．atahigher/loweraltitude________________2．keep...from...________________3．atthetimeof...________________4．blockout________________答案：1.在高、低海拔2.阻止；抑制3.在……的时候4.遮住；挡住Ⅱ.根据课文“Climate”完成短文Climate，the1.____________weatherforaplaceovermanyyears，isdifferentindifferentplaces.Infact，manyfactorshaveaneffectonit，suchassunshine，temperature，andprecipitation.2.____________tomountains，oceans，andlargelakesaffectsittoo.Anotherfactoris3.____________，orheightabovesealevel.Air4.____________asaltitudeincreases.Finally，5.____________affectclimate，whichcankeepthetropicsfromoverheatingandthepolarregionsfromgettingoverlycold.Climatechangesoverlongperiodsoftime.Onepossiblecausemaybechangesinthe6.____________.Sunspotsmaydecreaseprecipitationontheearthandcauseunusuallydryperiods.Changesinthe7.____________maychangeclimatetoo.8.____________activityisanothercauseofclimatechange.9.____________pollutionandthereductionof10.____________covermayhavelong-termeffectsonclimate.答案：1.average2.Nearness3.altitude4.cools5．winds6.sun7.atmosphere8.Human9.Air10.forest课堂互动探究1.affect...词汇精研词汇精研观察理解1)Theriseinpriceswillaffectallclasses.2)Someplantsarequicklyaffectedbycold.3)Hewasdeeplyaffectedbymywords.4)Thisdiseaseaffectsmillionsofpeopleintheworldeveryyear.归纳拓展1)影响2)感动，打动3)(疾病)侵袭，感染现学现用1)Weareinterestedintheweatherbecauseit________ussodirectly－whatwewear，whatwedo，andhowwefeel.A．benefitsB．guidesC．affectsD．effects解析：选C。句意：我们之所以对天气如此感兴趣，是因为它直接影响着我们——我们的穿戴、行为和感觉。benefit使受益；guide指导；affect影响；effect作动词时表示“产生，导致”。故C项符合句意。2.decrease观察理解1)Inthelasttenyearscarshavegenerallydecreasedinsize.2)Themembershipdecreasedto150.3)Therehasbeenadecreaseintheannualbirthrateforthelasttwentyyears.归纳拓展decreaseto...减少到……decreaseby...减少了……adecreasein...在……方面减少了onthedecrease...在减少现学现用2)Overthepastdecades，seaice________intheArcticasaresultofglobalwarming.A．haddecreasedB．decreasedC．hasbeendecreasingD．isdecreasing解析：选C。考查动词的时态。从前面的Overthepastdecades可知，此处应用现在完成进行时，表示动作从过去一直持续到现在并将持续下去。3.intermsof观察理解1)Intermsofcustomersatisfaction，thepolicycannotbecriticized.2)Whattheyhavedoneisgoodfortheenvironmentinthelongterms.3)Allofmyroommatesareongoodtermswitheachother.归纳拓展inthelong/shortterm就长期/短期而言beongood/badtermswithsb.与某人交情好/不好cometoterms(＝maketerms)达成协议；和好insb.’sterms在某人看来，根据某人的观点现学现用3)Tomisveryyoung.But________workingability，he’smuchmoreexperiencedthanothers.A．inpraiseofB．infaceofC．inneedofD．intermsof解析：选D。句意：汤姆很年轻。但是在工作能力方面，他要比其他人有经验的多。inpraiseof赞扬；infaceof面对；inneedof需要；intermsof在……方面，就……而言。根据句意选D。4.keep...from...观察理解1)Myparentskeptmefromgoingoutatnight.2)Keepthesurfacefreefrom/ofdirtbyputtingacoveroverit.3)Forsomepatients，medicinecankeepthemalive.4)Hisfunnyjokeskeptuslaughingallthroughthemeal.归纳拓展keep...freefrom/of使……免受(影响、伤害等)keepsb./sth.＋adj./adv./prep.使……保持……keepsb./sth.＋doing使……一直处于……keepdoing持续做某事(强调不间...