阅读判断（10分）(根据表格内容判断正误。正确的用A，错误的用B。)

	Sperm whale	Killer whale
Length	15 meters	8 meters
Weight	35 tons	3,600kg
Teeth	50, each up to 20cm long	40, each up to 20cm long
Tail	8 meters long	6 meters long
Food	Squid, lobsters and small sharks	Fish, birds, seals and even whales
Skill	Can dive into the deep cold water	Good swimmer, can jump out of the water

小题1:A killer whale is shorter than a sperm whale in its length.
小题2:A sperm whale is heavier than a killer whale in its weight..
小题3:A killer whale has 50 teeth, each up to 20cm long.
小题4:The tail of a killer whale is longer than a sperm whale.
小题5:A killer whale is a good swimmer.