【单选题】听力原文: Let's turn our locus now to advertising. We all know what an advertisement is. It's essentially a message that announces something for sale. Now, there is an important precondition that must exi...
【单选题】SECTION A CONVERSATIONS Directions: In this section you will hear several conversations. Listen to the conversations carefully and then answer the questions that follow. 听力原文:W: Hi, do you feel better...