B TherehasbeenalotofraininCaliforniarecently.Villagersa...
問題詳情：B TherehasbeenalotofraininCaliforniarecently.Villagersandleaderstherebegintobeworriedbecausetheyhavefoundtwobirdsdiedfromadisease,WestNileVirus(病毒). WestNileVirusiscarriedbymosquitoes(蚊子...