【简答题】People often call the plastic bags “white pollution”. 小题1: , it becomes the worst invention for the human. It is reported that it takes 100–200 years to break down the plastic bags completely. However...
【单选题】阅读理解1 One day a student went to see his teacher. He had been given an important position now and was coming to say goodbye. The teacher asked how he would get along with the high officials. The stude...
【单选题】One day a student went to see his teacher. He had been given an important position now and was coming to say goodbye. The teacher asked how he would get along with the high officials. The student sai...