D.Observing some of the natives.
25.What can be learned about the penguins'living places?
A.They are getting crowded and affected somewhat.
B.They are turned into museums and ports.
C.They are becoming wildlife research base.
D.They are occupied by other marine life.
26.Why do the four women watch over the chicks?
A.To calculate the penguins'hatching period.
B.To record the penguins'breeding situations.
C.To mark specific routes for visitors.
D.To take better care of them.
27.【典型情境题】What's the best title for the text?
A.The native colony of penguins:Antarctic