题目

What are the speakers mainly talking about?A.An apartment building. B.A college campus. C.A laboratory. 答案：【答案】B【解析】W:Henry，how do you like our university?M:I just love it. We have such beautiful and comfortable buildings.W:Yes，We have a new laboratory too.此为听力题，解析略。商店昨天卖出256千克苹果，今天卖出苹果的数量是昨天的2倍，今天卖出多少千克苹果？