Unit2BuildingthefutureGrammarandusage课件高中英语牛津译林版（2020）选修第二册

B9U2Grammar&CompositionTheElementsofaParagraph段落基本要素Writingaparagraphisalotlikemakingadelicioushamburge:TopicSentenceSupportingSentencesConcludingSentenceTask1：Readthearticleonpage20andfindtheTopicSentenceofeachparagraphtohelpyoufillinthefollowingtable.IntroductiontheenvironmentalllivingthingsTask2：ReadtheblogpostagainandusetheTopicSentencesyou’vefoundtohelpyoulocatetheanswerstothefollowingQs:(1)WhyareMountQomolangmaandtheMarianaTrenchmentionedinthefirstparagraph?(2)Howdoeswhitepollutioncauselong-termdamagetotheenvironment?(3)Arealllivingthingsnegativelyaffectedbywhitepollution?Listsomespecificexamplestosupportyouropinion.Task3：Identifytheelementsofparagraphs2and3.////Para.2Para.3TopicsentenceSupportingsentencesConcludingsentences(1)(2)-(4)(5)(6)(7)-(12)(13)Para.2Para.3TopicsentenceSupportingsentencesConcludingsentences(1)(2)-(4)(5)(6)(7)-(12)(13)Task4：Workouttherules.statesexplainrepeats↓Task5：Applytherules.A////ATask5：Applytherules.(2)/(3)(1)(5)/(4)(7)/(8)(6)(9)/(10)(14)/(13)(12)/(11)Task6：ReadthearticleinB2againandanswerthefollowingQsTask7：Dotheexercise.ThebooksIenjoythemostaretravelbooks.Therearetwomainadvantagesoflivinginasmalltown.Tendingagardencanbringfun,healthandharvesttothegardener.Task8：Newwords&expressions.对…免疫突出一个巨大的问题不可避免地对…构成威胁点缀/闲置/到处都是分解基本土壤性质因污染而降低/降级永久地

temporarily将...暴露在…里Task8：Newwords&expressions.ItisestimatedthatingestpoisonouschemicalsItappearsthattackletheproblemthrough3Rsimplementthemeasuresallsectorsofsocietystraw-freelidsdisruptone’spatternasolutiontowindupinlandfills据估计摄入有毒化学物质看起来/似乎通过3R来解决问题落实措施社会各界不使用吸管的盖子打乱某人的模式...的解决办法最终(被扔进)垃圾填埋场Task8：Newwords&expressions.对…构成风险食用/堆肥一个无浪费的替代品结束/完结/断绝关系减少保质期直到……探索…的潜力

identifyModerateexposuretovariesamongculturalgroups5.

Makingarapidemotionalassessmentoftheeventsofthemomentisanextremelydemandingjobforthebrain,animalorhuman.Oneofthebrain’smostdifficulttasksistorespondinstantlytowhateverishappening.6.

Thedrivingforcebehindthedevelopmentoftheseearlyplasticswasgeneratedbyanumberoffactors-immensetechnologicalprogressinthefieldofchemistry.Therewereseveralreasonsfortheresearchintoplastics,includinggreatadvancesinchemistry.7.

Overthepastfewyears,manyofthemhavebeenobligedtogiveuptheirnomadicwayoflife,buttheycontinuetorelyheavilyonnaturetoprovidefoodandclothing.Inrecentyears,mosthav