【单选题】听力原文:W: Bob,will you tell me something about the new intelligent house your company has just built?I heard that it promises to be a model for houses of the future. M: Certainly.The idea is not to have...
【单选题】听力原文:M: Hi, Catherine. Haven't seen you for a long time. How is your vocation? W: Terrific ! I went to Washington D. C. to visit my cousin. I saw the Jefferson Memorial, the Lincoln Memorial, and the ...