完形填空。 Sea turtles are found in all warm waters throughout the world. Sea turtles are the___ 1_ ___ of the turtles. The largest kind of sea turtle can grow as long as eight feet and ___ 2 ___ 1,500 pounds. Even the smallest kind, Kemp's-Ridley, can ___ 3 ___ to 28 inches long and weigh almost 100 pounds. Many other turtles are small enough to___ 4_ __ in your hand. It is difficult to find population numbers for sea turtles because they do not___ 5_ ___ shore once they hatch and reach the ocean, which makes it hard to __ _6_ __ them. Sea turtles__ _7 ___ in the water because they are safer there. They cannot__ _8_ __ their heads and feet into their shells like other turtles can. Sea turtles cannot hide inside their shells _ _9 ___ other animals that want to eat them. They need to move quickly to stay safe. When the weather ___ 10 ___ warm, sea turtles leave the ocean to___ 11_ __ their eggs on the beach. This is the only time they will ever leave the water. Most___ 12 ____ turtles spend part of the time in water___ 13__ _ part of the time on land. It is easy to understand___ 14_ ___ sea turtles stay in the water. Their___ 15__ _ to swim is greater than their ability to walk. Their heavy bodies and unusual feet make it hard for them to ___ 16 ___ on land. They are better___ 17_ __ for life in the water. They are well suited for life in the sea because of__ 18_ __ their bodies are made. The way their feet are made helps sea turtles swim very quickly. Their feet look like long __ 19 ___. When they swim, they flap their feet like a bird flaps its wings. This ___ 20_ __ way of swimming benefits sea turtles. It allows them to escape from their enemies. ( ) 1. A.dwarfs ( ) 2. A.measure ( ) 3. A.grow up ( ) 4. A.suit ( ) 5. A.go to ( ) 6. A.keep up with ( ) 7. A.swim ( ) 8. A.push ( ) 9. A.away ( )10. A.becomes ( )11. A.lay ( )12. A.the other ( )13. A.but ( )14. A.when ( )15. A.technique ( )16. A.walk ( )17. A.adopted ( )18. A.the way ( )19. A.paddles ( )20. A.abnormal B. giants B. weigh B. bring up B. fit B. turn to B. keep track of B. hide B. draw B. from B. turns B. lie B. another B. and B. where B. talent B. travel B. adapted B. the manner B. sticks B. unusual C. mammals C. sell C. take up C. match C. back to C. keep in touch with C. sleep C. drag C. for C. changes C. laid C. other C. or C. why C. ability C. wander C. adequate C. the method C. wings C. ordinary D. ancestors D. sound D. go up D. seize D. return to D. keep to D. stay D. pull D. to D. leads D. lain D. others' D. so D. as D. opportunity D. play D. admitted D. the shape D. tails D. unbelievable