题目

听下面一段较长对话，回答以下小题。 （1） What does the man bring with him? A . Two Large bags. B . A Large bag and a small bag. C . One large and two small bags. （2） What kind of seat will the man take? A . One in the middle. B . One in the left row. C . One next to a window. （3） When will the plane take off? A . At 10:00 B . At 10: 15 C . At 10:50.下列不属于生态系统的是（ ）A．一片农田B．一个池塘C．嘉陵江里所有的鱼D．生物圈