A.shooting B.poisoning C.electrocution D.all of the above
单项选择题Why is lead poisoning a new problem for condors()
A.Hunters shoot condors. B.Puppet rearing practices have caused it. C.Hunter's bullets contain lead which poisons the meat condors eat. D.They never used to like lea
单项选择题When the nurse talked to Mum she thought Mum was a()
A.nurse B.visitor C.patient D.cleaner