B TherehasbeenalotofraininCaliforniarecently.Villagersa...
问题详情：B TherehasbeenalotofraininCaliforniarecently.Villagersandleaderstherebegintobeworriedbecausetheyhavefoundtwobirdsdiedfromadisease,WestNileVirus(病毒). WestNileVirusiscarriedbymosquitoes(蚊子...