>>>更多請(qǐng)點(diǎn)擊：2017年5月20日雅思考試預(yù)測匯總
雅思機(jī)經(jīng)預(yù)測：2017年5月20日雅思聽力Section 4預(yù)測
Leatherback turtle棱皮龜?shù)难芯?BR> 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.