【简答题】While fossil fuels—still generate roughly 85 percent of the world’s energy supply, it’s clearer than ever that the future belongs to renewable sources such as wind and solar. The move to renewables is...
【简答题】A.A pond can be compared to a round-the-clock restaurant. B.All kinds of plans and animals will move in soon after a pond is dug. C.Few of the animals in a pond live on plants. D.Not all the animals i...