2018-2019高中英语 Unit 3 Protecting ourselves Period Two Word Power Grammar and Usage课件 牛津译林版选修1 0.ppt

,PeriodTwoWordPower&GrammarandUsage,高中英语选修10译林版,.Words：1_vt.&vi.(使)结束；下结论_n结论2_vi.&vt.歧视；区分；辨别3_adj.额外的_n增加，附加_v加,conclude,conclusion,discriminate,additional,addition,add,.Phrases：1_离开，远离2_由于，因为3_在一些情况下4_不再5_放弃6_熬夜，不睡觉7_终结，结束,stayawayfrom,inthat,insomecases,nolonger,giveup,stayuplate,toconclude,文章的行文一篇课文应当以一种让读者易于理解其观点的方式进行写作。为了让课文的结构具有逻辑性，课文中应当包括以下几点：1标题标题不应太长，应简单明了(如Aidstoday)。2起始段起始段应含有主题陈述，一般为第一句。,WhendiscussingtheproblemofAids，weusealotoftechnicalandscientifictermsonthiswebsite.有时，主题句置于旨在引起读者注意的一个引子之后。在某些情形下，起始段根本就不需要一个主题句。例如，在解释一系列事物或关于主要观点的细节都很清楚的起始段中，就可以不需要主题句。Aidstoday中的第一段就属于后一种情况，该段陈述了Ajani和他妹妹的情况以及艾滋病对他们家庭的影响。跟其他段落一样，在起始段中，主题句之后应有支撑句。,起始段应能捕捉读者的注意，引起其阅读整个篇章的兴趣。我们可以通过列出有趣的事实、提出问题或仅提供一部分细节来吸引读者的注意。下面这种也是一种引子：InanAfricanvillage，elevenyearoldAjanihearsafaroffscreamashewasheshislittlesisterinabaththatleakswater.3主体段落一篇文章的正文部分一般由几个段落组成。每一段通常也包括三个部分：主题句、论据、结论。这个主题句同样可放在该段的段首或段尾，用来引出该段的话题或总结该段。附属句一定围绕主题句展开。结尾句通常是对该段的一个总结，但有时也用来衔接下文。,4结论段结论段应当是最终的主题句(或是预测)，结论段也可能谈及起始段提到的例子。如：AlthoughAidshasleftascaronAjaniandhissister，theyarelucky.Theirgrandfatheristakingcareofthem，andbecausetheirmotherhadaccesstoprescriptionAidsmedicationsduringpregnancy，theydidnotgetHIVfromher.,即时跟踪.认真阅读下面的短文，为25段每一段找出主旨大意；同时为全文拟一个合适的标题ATearsattracthelpfromothersandenableustounderstandouremotionsbetter.BCryingalsohasmanyhealthadvantages.CNotcryingcanbebadforphysicalhealth.DCryingseemsimportanttoouremotionalhealth.,WhenIwassmallandmygrandmotherdied，IcouldntunderstandwhyIhadnotears.Butthatnightwhenmydadtriedtocheermeup，mylaughturnedintocrying.Soithasnosurprisetolearnthatresearchersbelievecryingandlaughingefromthesamepartofthebrain.Justaslaughinghasmanyhealthadvantages，scientistsarediscoveringthatcryingdoesdo，too.Whateverittakesforustoreducepressureisimportanttoouremotionalhealth，andcryingseemstoworkwell.Onestudyfoundthat85percentofwomenand73percentofmenreportfeelingbetteraftercrying.,Besides，tearsattracthelpfromotherpeople.Researchersagreethatwhenwecry，peoplearoundusbeekinderandfriendlierandtheyaremorereadytoprovidesupportandfort.Tearsalsoenableustounderstandouremotionsbetter；sometimeswedontevenknowwereverysaduntilwecry.Welearnaboutouremotionsthroughcrying，andthenwecandealwiththem.,Justascryingcanbehealthy，notcryingholdingbacktearsofanger，painorsufferingcanbebadforphysicalhealth.Studieshaveshownthattoomuchcontrolofemotionscanleadtohighbloodpressure，heartproblemsandsomeotherillnesses.Ifyouhaveahealthproblem，doctorswillcertainlynotaskyoutocry.Butwhenyoufeellikecrying，dontfightit.Itsanaturalandhealthyemotionalresponse.,1Themainideaofeachparagraph：Paragraph2_Paragraph3_Paragraph4_Paragraph5_2Thebesttitleforthepassage：_答案1.BDAC2.Thefunctionsoftears,.阅读理解Thinkaboutthedifferentwaysthatpeopleusethewind.Youcanuseittoflyakiteortosailaboat.Windisoneofourcleanestandrichestpowersources(来源)，aswellasoneoftheoldest.Evidenceshowsthatwindmills(风车)begantobeusedinancientIranbackintheseventhcenturyBC.TheywerefirstintroducedtoEuropeduringthe1100s，whenarmiesreturnedfromtheMiddleEastwithknowledgeofusingwindpower.,Formanycenturies，peopleusedwindmillstogrind(磨碎)wheatintoflourorpumpwaterfromdeepunderground.Whenelectricitywasdiscoveredinthelate1800s,peoplelivinginremoteareasbegantousethemtoproduceelectricity.Thisallowedthemtohaveelectriclightsandradio.However，bythe1940swhenelectricitywasavailabletopeopleinalmostallareasoftheUnitedStates，windmillswererarelyused.Duringthe1970s，peoplestartedbeingconcernedaboutthepollutionthatiscreatedwhencoalandgasare,burnedtoproduceelectricity.Peoplealsorealizedthatthesupplyofcoalandgaswouldnotlastforever.Then，windwasrediscovered，thoughitmeanshighercosts.Today，thereisaglobalmovementtosupplymoreandmoreofourelectricitythroughtheuseofwind.,Whatwouldtheauthorprobablydiscussintheparagraphthatfo