Sea turtles are found in all warm waters throughout the world. Sea turtles are the___36____ of the turtles. The largest kind of sea turtle can grow as long as eight feet and ___37___ 1,500 pounds. Even the smallest kind, Kemp’s-Ridley, can ___38___ to 28 inches long and weigh almost 100 pounds. Many other turtles are small enough to___39___ in your hand. It is difficult to find population numbers for sea turtles because they do not___40____ shore once they hatch and reach the ocean, which makes it hard to ___41___ them. Sea turtles___42___ in the water because they are safer there. They cannot___43___ their heads and feet into their shells like other turtles can. Sea turtles cannot hide inside their shells __44___ other animals that want to eat them. They need to move quickly to stay safe.When the weather ___45___ warm, sea turtles leave the ocean to___46___ their eggs on the beach. This is the only time they will ever leave the water. Most___47____ turtles spend part of the time in water___48___ part of the time on land. It is easy to understand___49____ sea turtles stay in the water. Their___50___ to swim is greater than their ability to walk. Their heavy bodies and unusual feet make it hard for them to ___51___ on land. They are better___52___ for life in the water. They are well suited for life in the sea because of__53___ their bodies are made.
The way their feet are made helps sea turtles swim very quickly. Their feet look like long __54___. When they swim, they flap their feet like a bird flaps its wings. This ___55___ way of swimming benefits sea turtles. It allows them to escape from their enemies.
| 小题1: | | A．dwarfs | B．giants | C．mammals | D．ancestors |
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| 小题2: | | A．measure | B．weigh | C．sell | D．sound |
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| 小题3: | | A．grow up | B．bring up | C．take up | D．go up |
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| 小题4: | | A．suit | B．fit | C．match | D．seize |
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| 小题5: | | A．go to | B．turn to | C．back to | D．return to |
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| 小题6: | | A．keep up with | B．keep track of | C．keep in touch with | D．keep to |
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| 小题7: | | A．swim | B．hide | C．sleep | D．stay |
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| 小题10: | | A．becomes | B．turns | C．changes | D．leads |
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| 小题12: | | A．the other | B．another | C．other | D．others’ |
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| 小题15: | | A．technique | B．talent | C．ability | D．opportunity |
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| 小题16: | | A．walk | B．travel | C．wander | D．play |
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| 小题17: | | A．adopted | B．adapted | C．adequate | D．admitted |
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| 小题18: | | A．the way | B．the manner | C．the method | D．the shape |
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| 小题19: | | A．paddles | B．sticks | C．wings | D．tails |
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| 小题20: | | A．abnormal | B．unusual | C．ordinary | D．unbelievable |
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