一篇英语阅读题Menarethecleverestandmostdangerousanimalsontheearth.Ratscomesecond.Menkillmanybeasts,they’veevenkilledmillionsofmensinceverylongago,butratskillmoremen.Ratscarrymanydiseases（疾病）andthesedi

　　一篇英语阅读题

　　Menarethecleverestandmostdangerousanimalsontheearth.Ratscomesecond.Menkillmanybeasts,they’veevenkilledmillionsofmensinceverylongago,butratskillmoremen.Ratscarrymanydiseases（疾病）andthesediseaseshavekilledandarestillkillingthousandsandthousandsofmentodayinmanycountries.Ratsaredangerousnotonlyinoneway.Theynotonlycarrydiseasesintomen’shomes,theyalsoeatupmen’sfood.Theyeat33milliontonsofgraineveryyear.Menstarve（饥饿）becauseratseattheirfood.Ratsareclever,too.Theyhavegoodleaderstotellthemthefoodisterriblewhenmenputpoisoninit.Therearealotofratsinourcitiesandvillagestoday.Wecangotothemoon,butwecannotkillalltheseterribleanimals.Isthisdangerousenemytoocleverandgrowstoofast,orarewenotcleverenoughandnotcleanenough?Weshouldfindsomebetterwaystofight withrats

　　Ratsaretheseconddangerousanimalsontheearth,arethey?

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　　2.Howdoratskillmen?

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　　3.Howmuchgraindoratseatinayear?

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　　4.Howdoratsknowthereissomepoisoninthefood?

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　　5.Whatdoesthewriterwanttotellusaboutinthepassage?

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