限时训练(十二).docx
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1、限时练习(十二).浏览了解A话题:3D打印难度:ItalianbioengineerGiuseppeSciontifromSpanishstartupNovameathasinventedthe“worldsfirst3D-printedmeat-freesteakmadefromvegetableproteins,whichmimics(模仿)thetextureofbeef.Veganingredientssuchasrice,peasandseaweed,whichprovidetheaminoacidsneededforahealthydiet,areturnedintoafoodpa
2、stethatis3D-printedtoformarawandsteak-likesubstance.Despiteanabundanceofmeat-freeproductsalreadyonthemarketthattastesimilartoanimalmeats,Sciontifoundthatthesearelimitedtoimitationburgers,ormeatballs.Inanefforttoreducetheimpactofanimalagricultureandtoimprovepeoplesnutrition,theMilaneseresearchersetou
3、ttocreateaplant-basedalternativeto“fleshymeatproducts.Bycombiningtissueengineeringandbio-printingwithmoderncookingmethods,hecreatedaveganproductthatboaststhesameconsistency,appearanceandnutritionalpropertiesasanimalmeatproducts.3Dprintingallowedthescientisttogeneratecomplexandmicro-structuredthree-d
4、imensionalformsthatareimpossibletoachieveusingothertechniques.Syringes(打针器)containingthelight-coloredfoodpastewereplacedina3Dprinter,whichfollowedapre-setcodedesignedbySciontiusingcomputer-aideddesign(CAD)software,toprintoutthemixtureintheshapeofasmallsteakthatcanthenbecooked.Itdidnotincludeanycolou
5、rant(着色剂).Itwasalightbrowncolor,similartoordinarycookedmeat.Whiletherearesomecompaniesworkingonthecreationofartificialmeatfromanimalcellsculturedinthelabs,sometimesknownas“cleanmeat,thiskindofmeattakesalongtimetomakeandisexpensive.Sciontismethodallowshimtoprinta100-grampieceofsteakinaround30minutes.
6、Inadditiontocreatinganethicalmeatalternative,Sciontidesignedthemeat-freesteaktohelpinreducinggreenhousegasemissionsfromlivestock,whichaccountfor14.5percentofthecurrenttotalman-madegreenhousegasemissions.“ThelatestreportsfromtheFoodandAgricultureOrganizationoftheUnitedNations(FAO)showthatthecurrentla
7、rge-scalelivestockbreedingisnolongersustainableglobally,heexplained.“Ifwecontinuewiththecurrentsystem,inthefuturetherewillbelittlechanceofhavingtheresourcestodistributefoodtoeveryone,hecontinued.“Itisforthesereasonsthatfindinganotherwayofproducinghealthyandeconomicalfoodthatcontainsallthefundamental
8、nutrientswillhelpustobettermanageourplanetsfoodresources.1.Sciontiowedhissuccessto.A.theadequatesupplyofmeatproductsB.theapplicationofadvancedtechnologyC.thegreatdemandformeat-freeproductsD.thegeneralsupportfromallwalksoflife谜底B剖析推理揣摸题。按照第四段内容可知,Scionti以为本人之因而可以造出“素牛排,是由于有了3D打印技巧的支撑。应选B。2.Comparedwi
9、th“cleanmeat,whatistheadvantageofSciontissteakA.Includinglittlecolourant.B.Providingmorenutrition.C.Consumingmuchlesstime.D.Causingnoharmtohumans.谜底C剖析细节了解题。按照第六段中“.sometimesknownascleanmeat,thiskindofmeattakesalongtimetomakeandisexpensive.Sciontismethodallowshimtoprinta100-grampieceofsteakinaround3
10、0minutes.可知,与应用植物细胞所造的“天然肉比拟,Scionti的“素牛排耗时更少。应选C。3.WhatisoneofSciontispurposesindesigningthemeat-freesteakA.Topromotethe3Dprintingtechnology.B.Toavoidglobalfoodcrisisinthefuture.C.Toprovideaffordablefoodforpoorareas.D.Tomeetconsumersrequirementsformeat.谜底B剖析推理揣摸题。按照倒数第二段最初一句跟最初一段可知,Scionti希望经过这种“造肉
11、的方法来避免今后天下能够会呈现的食品危急。应选B。B话题:莳植蔬菜难度:IhaveneverunderstoodwhywekeepagardenandwhyyearsagowhenIboughtmyfirsthouse.Istarteddiggingupasmalllandforvegetablesbeforedoinganythingelse.Itissoeasyandcheaptobuycarrots;whyraisethem?WhenAprilcomes,Ialwaysfindmyselflookingatthatmiserableland,resolvingnottoplantitag
12、ain.Butunavoidablyamorningarriveswhen,justasIamawakening,arefreshingscent(喷鼻味),asiffromtheverycenterofthisplanet,comesthroughthewindow.Andthesun,suddenly,seemstohaveadifferent,deeperyellowinitslightonthecarpet.Itisnotonlypleasuresendingmebacktostareatthatplotofsoil,itisrealconflict.Thequestionisthes
13、ameeachyearwhatmethodshouldweuse?Thelastfewyearsweputblackplasticbetweentherows,anditworkedperfectly.Butplasticlookssoindustrial,sounromantic,thatIhavegraduallymovedovertohay(干草).Wecutalotofhayanditdoesimprovethesoil.Besides,itlookslovelyandcomestousfree.Theattractionsofgardening,Ithink,atleastforso
14、megardeners,aremoral.Wheneverlifeseemspointlessanddifficulttograsp,youcanalwaysgetoutinthegardenandgetsomethingdone.Also,yourparentalinstinct(直觉)comesintoplaybecausehelplesslivingthingsaredependingonyou,requiringtrainingandprotectionfromenemies.Insomecases,aswithbeansandcucumbers,yourchildrenasitwer
15、ebegintoturnupononyouingreatnumbers,growingmoreandmoreeachmorningandthreateningtofollowyouintothehouse.4.WhatcanweinferabouttheauthorfromthefirstparagraphA.Healwayslikesbuyingcarrots.B.HemakesdecisionsinApril.C.Hetakesgoodcareofthesmallland.D.Heenjoysthegardeninspring.谜底D剖析推理揣摸题。按照第一段内容可知,作者不清楚本人什么缘
16、故要开垦一个菜园并本人种菜。每年四月份作者看着地皮一片散乱,就会下决计不再种菜。但当某天晚上作者刚睡醒,弗成避免地呼吸着从菜园飘来的清爽氛围,看着暖跟的阳光洒在地毯上,作者却特别欢乐,再联合第二段第一句“Itisnotonlypleasuresendingmebacktostareatthatplotofsoil.可推知,作者喜欢春地利的谁人菜园。应选D。5.WhatdrovetheauthortoabandonplasticA.Highprice.B.Environmentalconcern.C.Poorfunction.D.Personalpreference.谜底D剖析细节了解题。按照第
17、二段倒数第三句中的“Butplasticlookssoindustrial,sounromantic跟第二段最初一句“Besides,itlookslovelyandcomestousfree.可知,作者不再运用塑料是出于团体的喜好。应选D。6.WhydoestheauthorsaytheattractionsofgardeningaremoralA.Gardeningrequireswisdom.B.Gardeningoffersmoraladvice.C.Gardeningimprovesparenting.D.Gardeningbringsspiritualcontent.谜底D剖析推理
18、揣摸题。按照第三段第二句“Wheneverlifeseemspointlessanddifficulttograsp,youcanalwaysgetoutinthegardenandgetsomethingdone.可知,在生涯有望或许难以掌控的时分,你老是可以在菜园寻到状况做,由此可推知,作者以为种菜的兴趣是肉体上的,是由于种菜能带来肉体上的满意,应选D。7.WhatisthebesttitleforthetextA.ToGardenorNotB.WhatIGardenforC.HowtoGardenD.WisdomfromGardens谜底B剖析题目归结题。通读全文可知,文章要紧报告了作者
19、喜欢种菜的缘故,B项“我为何种菜归纳综合了本文宗旨,最适宜作文章题目。应选B。C话题:制作力难度:Whenyouthinkaboutcreativity,itmightbehighlycreativepeoplelikeMozart,daVinciorEinsteinwhospringtomind.Theywereallconsideredtobe“geniusesfortheirsomewhatuniquetalentsthatledtogreatachievementsintheirfields.Theirtypeofcreativityiswhatsknownas“BigCcreativ
20、ityandisnotverycommonineverydaylife.Notallofuscancreateworksofartormusicorscientifictheoriesthatarenewtotheworld.WhilewecantallbeMozart,daVinciorEinstein,manypeopledoenjoycreativeactivitythroughhobbiessuchaspaintingorplayingthepiano.Andthesetypesofpursuitsareoftenwhatpeoplethinkofwhenaskedwhatbeingc
21、reativelookslike.Ourfinishedpiecesmaynotbecomparablewiththelikesofthegreatmasters,butoftentheprocessmakesusfeelhappy,andtheendresultcanbeaesthetically(审美地)pleasing.Ontopofhobbiesandinterests,weallpossesscreativequalitiesthatcanhelpaswesolvelifesproblemsandmakedecisions.Itisthistypeofcreativitythaten
22、ablesustoplandifferentroutestogettothesamedestination,orfitinatriptothesupermarketwhenourschedulelooksfull.Itmightnotsoundverycreative,butthisaspectofcreativityreliesonourabilitytoconsideroptionsandassesstheirsuitability.Italsohelpsusmakedecisionsbasedonpersonalexperienceorwhatwehavelearntformallyor
23、informally.Theseexamplesareknownas“smallccreativityor“personaleverydaycreativity.WhileBigCcreativityisvaluedandcelebrated,itisoftensmallccreativitythathasallowedhumanstodevelopoverthousandsofyears.Itsetsusapartfromotheranimalsanditisalsothetypeofcreativitythatcanbedevelopedthroughoureducationalsyste
24、mandworkplace.Traditionally,creativityhasbeenlargelyassociatedwiththearts.Teachersareoftenabletogiveexamplesofcreativeactivityinartssubjects,butfindithardertodosowhenaskedtodescribecreativityinsubjectssuchasscience.Butthereisagrowingrealizationthatopportunitiestobecreativecanbefoundacrossabroaderran
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