【简答题】阅读理解。 Over ten years ago, the world's populating stood at 6 billon. By the end of October, it has reached 7 billion. With five babies being born every second , 78 million people are added to earth eac...
【简答题】Bill is ten years old. One day his friend Tom says to him, “I am going to have a birthday party on Sunday evening. Bill, can you come to my party?” “I’ll be glad to,” answers Bill. Before Bill goes to...