托福听力原文听写:天文学
托福听力Well, today I thought we’d talk about some of the reasons why Pluto’s status as a planet has been debated. You see, until recently what makes a planet a planet was one of the simpler co
托福听力:非洲小草鼠
托福听力 很难慎入Human populations near the equator have evolved dark skin over many generations because of exposure to the fiercest rays of the sun. A similar phenomenon has also occurred in oth...
托福听力:玉米
托福听力Questions 47-50 Listen to part of a lecture from the American civilization course. In the late 1400s, when Christopher Columbus returned to Spain from the western hemisphere, he brought ...
托福听力:电车
托福听力44-46 Listen to part of a radio program about environmental issues. Our electric car is the way of the future.Automobile manufactures are under the pressure to develop cars that do n...