although packs containing up to 40 African wild dogs have been recorded. Unusually among animals that live in groups, it is the males that stay with the pack and the females that disperse to join other packs.
It seems like sharks attack (攻击) people a lot,but chances of getting stung by a bee or getting hit by lightning are greater.Even so,experts say it is important to keep an eye out for sharks when swimming in the ocean.A.Sharks do not normally attack people.B.Ther...