UNIT9HUMANBIOLOGYTorevisethevocabularypresentedintheunitTofillintheblanksinfourshorttextswiththeunittargetandtheunittargetstructuresTocorrectlyorderthelinesofadialogueLiZhenandherfriendsaredesigningaposterfortheirschool’smonthlyactivity“HumanandUS”.Completeherreportaboutthedevelopmentofcloningusingthecorrectformofthewordsandphrasesbelow.foreverbarrierincomparisoncluecrucialaccurateidenticaltwinsethicalabuseblessingCloningoccurswhenaneggsplitsandcreates_____________.ThefirstanimaltobesuccessfullyclonedbyscientistswasasheepcalledDolly.Despitetheinitialsuccess,

identicaltwinsforeverbarrierincomparisoncluecrucialaccurateidenticaltwinsethicalabuseblessingshesufferedfromanillnessanddiedattheageofsix.Sincethen,otheranimalssuchasgoatsandcamelshavebeenclonedbuthavealsoexperiencedsimilarhealthproblems.Scientistsarenotsureifthisproblemwillcontinuetohappen_____________._____________withotherspecies,attemptstoclonemonkeyshavebeenfarmorecomplicatedandtookChinesescientistsmanyyears.

forever

IncomparisonforeverbarrierincomparisoncluecrucialaccurateidenticaltwinsethicalabuseblessingThereasontheywantedtobreakthistechnical__________wasthatmonkeycloningmightoffer__________astohowtocureillnessanddisease.Asthetechnologyimprovesandbecomesmore__________therewouldbeevengreaterbenefits.Whilesomepeopleseecloningas__________formedicalandscientificdevelopment,othershave__________concernsabouthowitcouldbeused.Theyworrythatthis

barrier

clues

accurate

crucial

ethicalforeverbarrierincomparisoncluecrucialaccurateidenticaltwinsethicalabuseblessingtechnologywillleadtocloningofotherspecies.Thereisariskthatthiscouldbe_____________bysomecompaniesorpeople.Whetheritisa______________oracurseforhumanityremainstobeseenanddependsonhowwechoosetouseit.

abused

blessingCompleteChenYang’soutlineoftheintroductiontothehumanbrainusingthecorrectformofthewordsandphrasesbelow.containelectricalimpulseorganlocatenerveresponsibleforatomrelatetoThebrainisthemostimportant_______________inthehumanbody.It_______________overonehundredbillion_______________cells.Thenervecellsinourbrainareconnectedby_______________.

organ

contains

nerve

electricalimpulsescontainelectricalimpulseorganlocatenerveresponsibleforatomrelateto4.Therearemorepossibleconnectionsinonebrainthanthereare________________intheuniverse.5.Differentpartsofourbrainare_____________differentpartsofourbody.6.Therearedifferentareasinthebrainthat________________differentfunctions.7.Scientistshave________________differentareasofthebrain.

atomsrelatedto

areresponsiblefor

locatedLiZhenisaskingforadvicefromherteacherMsWang.Ordertheirdialogue.()HowcanIincreasemybrainpower?What'syouradvice?()That'sagoodidea.ShouldIchangemydiet?()Iadviseyoutodoexercisethatisgoodforyourheart.()WhatshouldIeatthen?()IsthereanyparticularkindofexerciseIcoulddotohelp?Whatdoyousuggest?()Youcouldtryeatingfish,nutsandseedstoincreaseyourintakeofOmega-3.()Onethingyoucoulddoistocutdownonjunkfood.()OK,IwasalsowonderingwhatelseIcoulddo.()ItmightbeagoodideatoincreaseyourintakeofOmega-3.()Youcouldtrylearninganewlanguagetokeepthebrainflexible.Whichsuggestionabovedoyouthinkwillworkforyou?ChenXiisintroducingthehistoryofepidemics.Completehisspeechusingthecorrectformofwordsandphrasebelow.variationwidespreadopposetoposeinfectiouslungtrialglobeestimateAnepidemicisan______________diseasethatspreadsrapidlytoalargenumberofpeoplewithinashortperiodoftime.EpidemicshavebeenoccurringaslongashumanshavebeenonEarth.Someepidemicsare____________ofpreviousviruses.

infectious

variationsvariationwidespreadopposetoposeinfectiouslungtrialglobeestimateAdiseasereachesepidemiclevelswhenacertainnumberofdeathsoccurasaresultofitandthisnumberwillbedifferentforeachdisease.Onediseasemightresultinjustafewdeathsbutbeclassifiedasanepidemic,as_____________otherssuchastheflu,whichis_____________buthasmuchhigherbaselines.

opposedto

widespreadvariationwidespreadopposetoposeinfectiouslungtrialglobeestimateInhumanhistory,therehavebeensomedeadlyepidemics.Intheearly20thcentury,theSpanishFluof1918wasamassiveepidemicthatkilledan___________of50millionpeople,morethanthenumberofpeoplewhodiedinWorldWarI.Initially,itwasbelievedthatepidemics___________littlethreattothemodernworld,untilSARSoutbreakin2002.

estimate

posedvariationwidespreadopposetoposeinfectiouslungtrialglobeestimateTheSARSepidemicstartedasa___________diseaseinChinabuteventuallyspreadacrossthe___________tocountriessuchasCanadaandVietnam.Itresultedintheinfectionofabout8,000peopleandsincethen,scientistshaveundertaken____________ontreatmentstopreventfuturedeaths.

lung

globe

trialsChenXiandJonathan,anEnglishexchangestudent,aretalkingabouttheirhomeworktogatherfactsabouttheEbolavirusoutbreakinAfricanin2014.completetheirdialoguewiththecorrectformoftheverbsinbrackets.ChenXi:Isn’titreallybadifyougetEbola?Jonathan:Yes,Ebola_________(be)aseriouslife-threateningdisease.I___________(find)outthatthefirstpersontodieinthisoutbreakwasa2-year-oldchildwho___________(live)inaruralvillageinGuinea,Africa.

is

found

livedChenXi:Howterrible!Jonathan:Yes,butbyNovember2014there_________(have)almost5,000deaths.Someexpertsbelievethisfigure_________(be)higherbecausesomepeople__________(donot)seekmedicalhelp.ChenXi:I__________(discover)thatthevirus___________(spread)fromonepersontoanother.Inthisoutbreak,symptoms__________(appear)betweeneighttotendaysafterdirectcontactwithaninfectedperson.

hadbeen

is

didnot

discove