题目

King's College Summer SchoolKing's College Summer School is an annual training program for high school students at all levels who want to improve their English. Courses are given by the teachers of King’s College and other colleges in New York. Trips to museums and culture centers are also organized. This year's summer school will be from July 25 to August 15.More information is as follows:English with all the necessary information.l Hotel service: $400﹡ You may choose to live with your friends or relatives in the same city.Please write to:Thompson, Sanders 1026 King' s StreetNew York, NY 下列变化中与其它三者有本质区别的是 [     ]A．干冰升华 B．电灯发光 C．矿石粉碎D．粮食酿酒