Unit 5 Working The Land 单元小测-2024届高考英语一轮复习人教版（2019）选择性必修第一册.docx

选择性必修一Unit5WorkingTheLand单元小测

(满分:120分;时间:100分钟)

第一部分阅读(共两节,满分50分)

第一节(共15小题;每小题2.5分,满分37.5分)

阅读下列短文,从每题所给的A、B、C、D四个选项中,选出最佳选项。

A

Foodblogs,celebrities,andnutritionistsalladvocatethebenefitsofeatingorganic(有机的)fruitandvegetables.ButanewstudypublishedinScienceAdvancespaintsamorecomplexpicture.Whileorganicproduceislikelyslightlyhealthiertoeatand,insomeways,moresustainabletogrow,therearealsodownsides.

Organicfruitandvegetablestypicallycostmorethanconventionalones.Togetacertificateasorganic,farmersmustmeetspecificcriteria,includinggrowingproducewithouttheuseofgeneticengineeringandchemicalinputs.Withoutthesemethods,thegrowingprocesstypicallyrequiresmorelabour,time,andmoney,thecoststhatarepassedontoconsumers.

Itstruethatinmanyways,organicfarmingismoresustainablethanconventionalfarming.Butwhenitcomestoenvironmentalconcernssuchasgreenhousegasemissionandwaterloss,thecomparisongetscomplex.Organicfarmsproducefewergreenhousegasesperacre.However,becausetheyarebarredfromusinggeneticengineering,pesticides(杀虫剂),andothermethodsthatincreaseefficiency(效率),organicfarmsalsoproduceanestimated19%to25%lessyieldthanconventionalfarms.Whilethereisntawholelotofresearchonthetopic,thefewstudiesthatdoexistsuggestgreenhousegasoutputandwaterlossmightactuallybehigheronorganicfarms,onaperunitbasis,saysthestudyauthorVerenaSeufert.

Inaddition,whileorganicproduceislikelymorenutritiousthanconventionalfruitandvegetables,theresnotalotofevidencetosupporttheclaimthattheseoftenslightdifferencesinfluenceconsumerhealth.Thesameistrueforthepesticideremainder.Indevelopedcountries,wherepesticideuseistightlyregulated,theresnoscientificconsensus(共识)onhowtheseoftenslightdifferencesinfluencehumanhealth.

Still,Seufertstressesthatifyoucanaf