溧阳市光华级中学校本课程.doc

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1、溧阳市光华高级中学校本课程《英语时文阅读与欣赏》适用年级：高二主编：李光念编委：孙志歆许云史永红邓力王静丽孙晓菊刘玉翡课程目录：Chapter1科技类Chapter2生活类Chapter3学习类Chapter4文化类Chapter5事业类Chapter6娱乐类Chapter7经济类Chapter8新闻类Chapter1科技类1Haveyoueverwonderedwhyyousometimesendupwith10mosquito(蚊子)bites(叮咬)inasinglenight,whileyourfriendsleepinginthes

2、ameroomgetsoffbite-free?Itseemsthatmosquitoesreallydopreferthetasteofsomepeoplemorethanothers,accordingtoscientists.Male(雄性的)mosquitoesdonotbite—it’sthefemales(雌性)whohaveatasteforblood,whichtheyneedfortheireggs.Foraproudmosquitomother,notjustanybloodwilldo.Scientistshavefou

3、ndthat85percentofoursusceptibility(倾向性)tomosquitobitesisdowntoourgenes.Certainchemicalsinourbodiescanalsoattractmosquitoes.Mosquitoeshaveevendevelopedasharp(敏锐的)senseofsmelltopickouttheirfavoriteblood.JerryButler,ascientistfromtheUniversityofFlorida,explains:“Oneintenpeople

4、arehighlyattractivetomosquitoes.”AccordingtoButler’sstudy,mosquitoescannotcreatetheirowncholesterol(胆固醇)andBvitamins,sotheylookforpeoplewhoarerichinthosethings.Mosquitoesarealsoattractedtocertainacids(酸性物质)producedontheskinduringsweating(流汗).Aswellasthis,theycansmellcarbond

5、ioxide(二氧化碳)inhumanbreathfromfaraway.Largerpeopleoftengiveoffmorecarbondioxide,whichmaybewhymosquitoesoftenpreferadultstosmallchildren.Pregnant(怀孕的)womenarealsoeasilybitten,astheirbreathcontainsincreasedlevelsofcarbondioxide.Soifyouarefeelingabitsweaty—oryouthinkyoumightbeg

6、eneticallydesignedtobeamosquito’sdinner—thenpacksomeextrarepellents(驱蚊剂)whenyougoout.2Somedogscanbereallymean.Theyfightwithotherdogsandbark(吠)atyouonthestreetwhenyouwalk.Nowscientistssaythatsomedogsarebadlybehavedbecausetheyweretakenawayfromtheirmotherstooearly.Scientistssa

7、ythiscanturnthemintoaggressive(有攻击性的)dogs.ResearchersattheUniversityofMilaninItalystudied140dogsagedbetween18monthsandsevenyears,accordingtotheDailyMailnewspaper.Halfofthesedogshadbeentakenawayfromtheirmothersandgivennewhomeswhentheywerebetween30and40daysold.Theotherhalfwer

8、etakenawaywhentheywere60daysold.Researchersaskedtheownerswheretheirpetswerefromand