关于腮腺混合瘤，典型的CT表现为()A．不增强 B．可增强 C．延迟增强 D．不均匀

A．A friend in need is a friend indeed． B．If winter comes，can spring be far behind ? C．Follow your own course（路径），and let people talk． D．Give a man a fish and he will eat for a day．Teach a man to fish and he will eat for the rest of his life． E．Good painting is like good cooking；it can he tasted，but not explained．

小题1:Sarah：Don’t care too much about what they have said，Tony．   
小题2:Stephen：Thanks for helping me，Amy．    l’m so proud of having a friend like you．
小题3:Mr. Lee：Teachers should tell the kids not only what to do，but also how to do that．   
小题4:Alan：Don’t be upset，Jeff．    The great success is just in front of you．
小题5:Sally：I don’t want to hear the tour guide introduce the paintings in the gallery．   Don’t you think so ?