Dolphins(海豚)havealwaysinterestedpeople.(1)Sailors(whoworkonaship)believethatdolphinsswimmingnexttotheirshipsmeansgoodluckonthelongjourney.Dolphinsarenot

Question

Dolphins ( 海豚 ) have always interested people. (1)____________ Sailors (who work on a ship) believe that dolphins swimming next to their ships means good luck on the long journey.

Dolphins ar e not fish; in fact they eat fish. They are sea mammals ( 哺乳动物 ). When fish swim they move their tails from side to side. (2)____________ Fish breathe in water but dolphins have to rise to the water surface sometimes to take a breath.

Dolphins use sound s to find things. They send out sounds and the sounds hit an object and return back to the dolphins. They use the sounds to tell the object’s location. (3)____________

If you go to a zoo you may see bottle-nosed dolphins. They look like they are always smiling. (4)____________ They can even be trained to “walk” on the water using their strong tails.

Dolphi ns see m to be interested in humans. There have been lots of reports of dolphins saving swimmers. In 2007 a man was attacked ( 袭击 ) by a shark ( 鲨鱼 ). (5)____________

根据材料内容，将 A—E 五个句子填入材料空白处，使材料完整、通顺。

A. When dolphins swim they move their tails up and down.

B. Then som e dolp hins swam around the man keeping the shark away so he could reach the land.

C. The ancient Greeks put pictures of them on coins and walls.

D. The y are so clever that they can learn how to do tricks such as throwing balls through baskets.

E. They also use these sounds to communicate with one another.

Answer 1

1C  2A  3E  4D  5B