22（）

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 she took a mop from the small room what Mum really wanted to do was （）

A．to clean the floor
B．to please the nurse
C．to see a patient
D．to surprise the story-teller