>>>更多请点击:2017年5月20日雅思考试预测汇总
雅思机经预测:2017年5月20日雅思听力Section 4预测
Leatherback turtle棱皮龟的研究
31. The advantageous shape of turtle help them to move undersea.
32. Shell is soft not boney shells
33. Way of feeding: sleep on the water for several hours.
34. By adjusting burning calorie and food high in protein.
35. Migration in the Atlantic ocean.
36. Tracking device can start transmitting when the turtle reaches surface.
37. Can not only monitor the location but also the depth
38. No damage nor crack in her shell.
39. Switch on for transmitting signal for avoiding running out power.
40. Economical in energy.