题目

Spanish Ballet    The Spanish Ballet will tour our country and its classical repertoires will be shown in Beijing. Time: 7:30 p.m., May 2-3 Place: Chaoyang Theater, 36 Dongsanhuan Road Beilu, Chaoyang District Tel: 6506-8116 Chmese Opera     A new production of Kunqu Opera (a traditional Chinese opera in China's Jiangsu Province) is now on in Beijing. Time: 8:00 p.m., May 5 Place: Tianqiao Theater, 30 Beiweilu, Xuanwu District Tel: 8315-6300 Wonderful Concert     Musicians ofthe Chinese National Symphony Orchestra will hold a concert in Beijing. We can enjoy Mozart's Flute Concerto i在噬菌体成功侵染15N标记的细菌后，经过一段时间保温，15N最可能的去向是A.噬菌体DNAB.噬菌体外壳或DNAC.噬菌体外壳D.噬菌体外壳和DNA