书城外语课外英语-动物亮丽风景线(双语版)
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第18章 象为什么有长牙?

Elephants have tusks because they sometimes need to dig for food.They stick their tusks in the ground and dig up tasty roots.They use their tusks to rip yummy bark off of trees.

Elephants also use their tusks for fighting.Male elephants fight each other for female mates.Female African elephants use their tusks to protect their babies from lions and tigers.

Do Elephants Live in Families?