【单选题】Despite decades of scientific research, no one yet knows how much damage human activity is doing to the environment. Humans are thought to be responsible for a whole host of environmental problems, ra...
【简答题】A.Ho has not been to the new restaurant yet. B.He would like to go to the new restaurant with the woman. C.The food at the new restaurant is not very good. D.A restaurant's atmosphere is very importan...