问题 填空题
选择方框内所给的单词并用适当形式填空。
Stop  live  scientist  protect  animal  kind  difference  open  easy  wild
    Years ago, many zoos kept all 1______ of animals in small cages. Small cages made it 2______ for people to
see animals, but a small cage isn't a good place for an animal to live in.
    Today, zoos keep animals in 3______ kinds of cages. The cages are very big and 4______. The cages look
like the 5______ habitats. Zoos help to protect animals, They protect animals in the zoo and they protect animals
in the 6______. How do they do this? Zoos teach people how animals live in the wild. Zoos want people to
help 7______ the "wild habitats".
    Many plants and animals are going extinct. 8______ say that seventy-four kinds of 9______ things go
extinct every day!
    Zoos are working together to 10______ animals from going extinct.
答案

1. kinds 2. easier 3. different 4. open 5. animals'

6. wild 7. protect 8. Scientists 9. living 10. stop

选择题
多项选择题