【正确答案】无

【答案解析】Saturday October 27,2012 Fine Today we visited Qinghua University.Earn in the morning we arrived at the gate of Qinghua University,where an old professor gave us a warm welcome.The professor showed us around and explained many things to us enthusiastically.First we went to the library.We saw many,many books and quite a number of students were absorbed in reading.Then we visited the lab building.On the campus,we found here and there students under the trees.The old professor gave us a lecture in the afternoon.Time passed quickly.Before we knew it,it was time for us to say good-bye.