题目

阅读下列短文,从每题所给的四个选项（A、B、C和D)中，选出最佳选项 You may not have heard the words “freshman fifteen” before, but they are very important for students who are entering university. A freshman is a first-year college student. “Fifteen” refers to fifteen pounds—the fifteen pounds added to a student’s weight in his or her first year. There are a number of reasons why first-year university students gain (增力n) weight; but it’s encouraging to know that freshmen don’t have to add these harmful fifteen pounds. Mistakes choosing food U －When will you leave for England? －________ July 27th, 2012． [　　] A．On B．In C．At