【单选题】Section B Directions: This section is to test your ability to understand short dialogues. There are 5 recorded dialogues in it. After each dialogue, there is a recorded question. The dialogues and que...
【简答题】We all know something about Thomas Edison. He was a great American 21 .He was in school for only a short time. 22 , he had to leave the school and 23 himself at home and learned a lot. When Edison gre...