第47至50題為題組
A zoo is a place where animals in captivity are put on display for humans to see. While early zoos put emphasis on displaying as many unusual creatures as possible, most modern zoos now focus on conservation and education. Still, many animal rights activists believe the cost of confining animals outweighs the benefits. What are your opinions? Feel free to share your ideas on this forum.
Modern zoos serve the purposes of conserving endangered species as well as ______ visitors.
However， some people are against zoos because the animals ______ there will lose the freedom they enjoy in the wild.
（填完，4分）
