男警察自己解下警裤自慰,亚洲精品久久久久私欲,国内精品久久久久久久小说,久久婷婷丁香五月综合五

網站導航:>正文

題目 題型:單選題       難度:★★★★★    13.3萬熱度

DUNGTODEATHFIELDSACROSSEUROPEARECONTAMINATEDWITHDANGEROUSLEV

DungtoDeathFieldsacrossEuropearecontaminatedwithdangerouslevelsoftheantibioticsgiventofarmanimals.Thedrugs,whichareinmanuresprayedontofieldsasfertilizers,couldbegettingintoourfoodandwater,helpingtocreateanewgenerationofantibiotic-resistant"superbugs".ThewarningcomesfromaresearcherinSwitzerlandwholookedatlevelsofthedrugsinfarmslurryHisfindingsareparticularlyshockingbecauseSwitzerlandisoneofthefewcountriestohavebannedantibioticsasgrowthpromotersinanimaldead.Some20,000tonsofantibioticsareusedintheEuropeanUnionandtheUSeachyear.Morethanhalfaregiventofarm-animalstopreventdiseaseandpromotegrowth.______Mostresearchersassumedthathumansbecomeinfectedwiththeresistantstrainsbyeatingcontaminatedmeat.Butfarmoreofthedrugsend.upinmanurethaninmeatproducts,saysStephenMuelleroftheSwissFederalInstituteforEnvironmentalScienceandTechnologyinDubendorf.Andmanurecontainsespeciailyhighlevelsofbugsthatareresistanttoantibioticshesays.Withmillionsoftonsofanimalsmanurespreadontofieldsofcropssuchaswheatandbarleyeachyear,thispathwayseemsanequallylikelyrouteforspreadingresistance,hesaid.Thedrugscontaminatethecrops,whicharetheneaten.Theycouldalsobeleachingintotapwaterpumpedfromrocksbeneathfertilizedfields.Muellerisparticularlyconcernedaboutagroupofantibioticscalledsulphonamides.Theydonoteasilydegradeordissolveinwater.HisanalysisfoundthatSwissfarmmanurecontainsahighpercentageofsulphonamides;eachhectareoffieldcouldbecontaminatedwithupto1kilogramofthedrugs.Thisconcentrationishighenoughtotriggerthedevelopmentofresistanceamongbacteria.Butvetsarenottreatingtheissueseriously.Thereisgrowingconcernattheextenttowhichdrugs,includingantibiotics,arepollutingtheenvironment.Manydrugsgiventohumansarealsoexcretedunchangedandarenotbrokendownbyconventionalsewagetreatment.

A.Theydonoteasilydegradeordissolveinwater.

B.Andmanurecontainsespeciailyhighlevelsofbugsthatareresistanttoantibioticshesays.

C.Animalantibioticsisstillanareatowhichinsufficientattentionhasbeenpaid

D.Butrecentresearchhasfoundadirectlinkbetweentheincreaseduseofthesefarmyarddrugsandtheappearanceofantibiotic-resistantbugsthatinfectpeople.

E.HisfindingsareparticularlyshockingbecauseSwitzerlandisoneofthefewcountriestohavebannedantibioticsasgrowthpromotersinanimaldead.

F.Theycouldalsobeleachingintotapwaterpumpedfromrocksbeneathfertilizedfields.

該題目是單項選擇題,請記得只要選擇1個答案!

正確答案
點擊免費查看答案

會員登錄 試題上傳試題糾錯

此內容來自于互聯網公開數據或者用戶提供上傳,如涉及到侵權,謠言,涉隱私,涉政,違規違法 等 請及時聯系我們刪除 客服QQ 2593481824

題目解答分析

該題的答案解析,請查看標準答案...

更多答案...請查看上面的正確答案


TAGS

關鍵詞試題匯總大全



本題目來自[12題庫]本頁地址:http://www.hbzysj.com/newtiku/918289/15935414.html




大家都在搜索(30分鐘前搜索數據)

最新收錄試題更多>>

其他類目題庫

主站蜘蛛池模板: 维西| 新化县| 洛扎县| 区。| 北票市| 宜丰县| 彭山县| 秦安县| 伊春市| 泰顺县| 陇西县| 莎车县| 昭通市| 黔江区| 汝城县| 濮阳县| 吉水县| 无锡市| 香河县| 略阳县| 荔波县| 大冶市| 靖宇县| 定兴县| 江孜县| 宿迁市| 苗栗县| 县级市| 荔浦县| 砀山县| 霍林郭勒市| 蒙山县| 石景山区| 泸西县| 长丰县| 凤庆县| 漯河市| 当涂县| 翁牛特旗| 弥勒县| 长白|