高中英語北師大版Unit21HumanBiology

Unit21HumanBiologySectionⅠWarm-up&Lesson1SuperAthletes課時訓練Ⅰ基礎(chǔ)夯實Ⅰ.根據(jù)句意及首字母或漢語提示,用單詞的適當形式填空(每年的)incomewasassessedattenthousanddollars.

答案:annualis(強制性的)forallmotorcycliststowearhelmets.

答案:compulsoryis(有爭議的)howtosolvetheproblem.

答案:controversialwasdrivingat(任意).

答案:randomtwostories(矛盾)eachother.

答案:contradictpeoplecan’tttheheatinthedesert.

答案:toleratef(基本的)causeofhissuccessishishardwork.

答案:fundamentalwanttosabetterjob.

答案:seekfatherisotohisgoingabroadtostudy.

答案:opposedwasdaboutthewholeidea.

答案:doubtfulⅡ.用方框內(nèi)短語的適當形式填空invainatrandombeopposedtoatallcostsseekformenhappiness.

答案:seekforstruggledagainstherfate,but.

答案:invainmustcatchthenexttrain.

答案:atallcostsjustchosethebook.

答案:atrandomyourplan;followme.

答案:opposedto能力提升Ⅲ.語法填空導學號53110044Whenwetalkaboutbreakingrecords,wecomeacrosstheissueofperformance—enhancingdrugs,whichare1.(origin)developedtohelppeoplewithinthewronghands,theycreatesupremeathletes2.(make)themfasterandstronger3.normalhumanthesedrugsisknownas“doping”andtheycancauseserioushealthproblemsin4.(late)lifeforthosewhoabusethem.

Thesportsworlddoesnottoleratedopingasitis5.fundamentalformofcheating.Dopingispartofeverysport6.athletesseektoachievebeyondtheirnaturallimitsandarepreparedtocheattodoso.

Unfortunately,itisnoteasytocatchathletes7.(use)illegaliscompulsoryforwinnerstobetestedbutotherparticipantsareonlytestedatdrugsaredevelopedallthetimeanddrugtestsforsportingeventsareoftenonestepbehind.However,gene-therapymaybecomethenextbigthreatwehaveto8.(change)people’sgenes,scientistshavealreadyfoundwaystobuildmuscleandincreasegene-therapywereusednow,itwouldbealmost9.(possible)tofindthefuture,athleteswhohavetheirgenes10.(change)mightbeabletodothe100metresdashinjust8secondsorthemarathoninlessthantwohours.

答案:Ⅳ.閱讀理解A導學號53110045Eversincetheywerefirstputonthemarketintheearly1990s,geneticallymodified(GM,轉(zhuǎn)基因)foodshavebeenincreasinglydevelopedandmarketedinmanycountriesintheworld,mainlyonthebasisoftheirpromisetoendtheworldwidefoodcanGMtechnologysolveworldhungerproblems?Evenifitwould,isitthebestsolution?Despitewhatitpromised,GMtechnologyactuallyhasnotincreasedtheproductionpotential(潛力)ofanyfact,studiesshowthemostwidelygrownGMsoybeans,havesufferedreducedinstance,areportthatanalysednearlytwodecadesofresearchonmajorGMfoodcropsshowsthatGMengineeringhasfailedtosignificantlyincreaseUScropsproduction.Somethingelse,however,hasbeenonthecompaniestoldfarmersthattheywouldmakegoodprofitsbysavingmoneyonpesticides(殺蟲劑).Onthecontrary,USgovernmentdatashowsthatGMcropsintheUShaveproducedanoverallincreaseinpesticideusecomparedtotraditionalcrops.“Thepromisewasthatyoucouldusefewerchemicalsandboostneitheristrue,”saidBillChristison,PresidentoftheUSNationalFamilyFarmCoalition.Atthesametime,theauthorsofthebookWorldHunger,TwelveMythsarguethatthereactuallyismorethanenoughfoodintheworldandthatthehungercrisisisnotcausedbyproduction,butbyproblemsinfooddistributionandindeeddeserveoureffortsand,theriseinfoodpricesresultsfromtheincreaseduseofcropsforfuelratherthanfood,accordingtoa2023WorldBankreport.Asamatteroffact,scientistsseebetterwaystofeedtheWorldBankreportconcludesthatGMcropshavelittleusetothechallengesofworldwidepovertyandhunger,becausebetterwaysoutareavailable,amongwhich“green”farmingissupposedtobethefirstchoice.authordevelopsthesecondparagraphmainly.

classificationcomparisonexample process提示:細節(jié)理解題。根據(jù)第二段最后一句中的forinstance一詞可判斷,作者是通過舉例子的方式展開第二段的。答案:Cdoestheunderlinedword“boost”inthethirdparagraphprobablymean?. .. .提示:詞義猜測題。根據(jù)第二段最后一句,尤其是其中出現(xiàn)的increase一詞可確定答案,因為提高產(chǎn)量是生產(chǎn)轉(zhuǎn)基因糧食的初衷。答案:Dcompaniespromisedfarmersthattheywouldbenefitfrom.

“green”farmingfewerchemicalsdistributionoftheircropsmorecropsforfuel提示:細節(jié)理解題。根據(jù)第三段第二句可知,轉(zhuǎn)基因公司向農(nóng)民承諾,他們將會通過使用較少的殺蟲劑而獲益。答案:BB導學號53110046Thefindingsbuildonearlierworkthatsuggestsmusicaltrainingbeforetheageofsevencanhaveasignificantimpactonthebrain’slessonsinearlychildhoodleadtochangesinthebrainthatcouldimproveitsperformancefarintoadulthood,researcherssay.Brainscansofyoungadultsshowedthatthosewhohadformalmusicaltrainingbeforetheageofsevenhadthickerbrainregionsthatdealwithhearingandfindingshighlighthowbraindevelopmentcanbeinfluencedbytheagethatchildrenstarttolearnamusicalinstrument,andhowthosechangescanpersistintolaterlife.“Earlymusicaltrainingdoesmoregoodforkidsthanjustmakingiteasierforthemtoenjoychangesthebrainandthesebrainchangescouldleadtocognitive(認知的)advancesaswell,”saidYunxinWangofBeijingNormaltriedtofindoutwhethermusicaltrainingearlyinlifehadanylastingeffectonthestructureofthehopedtheresultsmighthelpparentsdecidewhenwasthebestfortheirchildrentolearnaninstrument.Aftertakinggenderandthenumberofyearsspentonhavingmusiclessonsintoaccount,Wangfoundthatmusicaltrainingthatstartedbeforetheageofsevenappearedtothickenareasofthebraininvolvedinlanguageskillsandexecutive(執(zhí)行的)function,whichisaperson’sabilitytoplanandcarryoutpresentedtheresultsattheSocietyforNeuroscienceannualmeetinginSanDiego.“We’renotsurewhythesechangesarise,butareasonableexplanationisthatearlystartersmightrelymoreonauditory(聽覺的)cluesduringlearningmusic,sinceitmightbemoredifficultforyoungerchildrentoreadmusic,”Wangsaid.Earlierthisyear,researchersatConcordiaUniversityinMontrealshowedthatpeoplewhotookmusiclessonsbeforesevenyearsoldhadstrongerconnectionsbetweenmotorregionsofthebrain,whichareinvolvedinmakingmovements,andthesensoryareas.istheresultofformalmusicaltraininginearlychildhood?thebrain’sdevelopmentfavorably.thebraindevelopnormally.unlimitedphysicalandmentalpleasure.thebraintogrowthickerandheavier.提示:細節(jié)理解題。文章第一段第一句中的“...musicaltrainingbeforetheageofsevencanhaveasignificantimp