将维生素A溶于无水乙醇一盐酸溶液中，测定紫外吸收光谱，在326nm波长处有一吸收峰，
题型：问答题 简答题
问题：
将维生素A溶于无水乙醇一盐酸溶液中，测定紫外吸收光谱，在326nm波长处有一吸收峰，而将此液置水浴上加热，冷却后，在300～400nm范围内出现3个吸收峰，这是为什么？
题型：问答题 简答题
Kate and Sally are very interested in movies. So they planned to (_小题1:_) last Saturday. The famous film AVATAR was on at Jinying Theatre. They decided to meet at the bus stop at 6:30 p.m. and then (__小题2:_) together to the theatre. When Kate got to the bus stop, it was already 6:26 p.m. But she couldn’t see Sally. Sally was late as usual. Fifteen minutes later, Sally came. When they got to the theatre in a hurry, the movie (_小题3:_). They were told that all the tickets had been sold out. What a pity it was! Later they went shopping instead.