海阔兲箜期末试卷
A strange dolphin
If you have seen dolphins at the zoo，you’ll know that they usually have two fins (鳍)．Their fins look like other mammals' (哺乳动物)arms or front legs．Recently people found an unusual dolphin in Japan．It has an extra(额外的)pair of fins near its tail，about the size of human hands．Japanese fishermen caught one of these dolphins．Scientists say its extra fins are a sign(标记、迹象)that long ago dolphins lived on land and had more than two fins．
A walking shark
Can sharks walk? Some in Indonesia can．Scientists found two new kinds off the coast of Indonesia．They are able to”walk”with their fins along coral reefs(珊瑚礁)．These sharks are more than a metre long．They feed on shrimps(虾)，crabs(蟹)and small fish．If they get scared，they can swim away．
A monster rabbit
How big is your pet rabbit? A monster rabbit can be a lot bigger than your pet．A monster rabbit may weigh more than 15kg and may be over a metre long．Recently a monster rabbit was found in England．People say that its footprints are larger than a deer’s．Farmers try to catch it because it has destroyed their plants．Some think that the monster rabbit is a home rabbit．It ran away from its owner later．
51．Japanese fishermen caught a dolphin ___________．
A．with two fins B．with a pair of fins
C．with four fins D．with four pairs of fins
52．From the passage we know the dolphins ___________．
A．lived on land long time ago B．had many fins
C．lived in water long ago D．had human hands
53．Two new kinds of sharks off the coast of Indonesia will __________ when they are frightened．
A．walk away B．swim away C．die D．eat small fish
54．Some people think the monster rabbit is _________．
A．a deer B．a monster C．a dog D\a home rabbit
55．From this passage we can find that the animal world is __________．
A．full of interesting things B．too strange to live in
C．full of danger D．harmful(有害的)to people
