心理卫生保健最关键的时期是()
A.儿童期
B.青少年期
C.更年期
D.老年期
E.中年期
参考答案:B
—I won’t go to the cinema this evening. I ______ watch the charity show. It’s more exciting.
A.had better
B.would rather
C.ought to
D.have to
静脉尿路造影一侧肾脏不显影,常见于哪些原因?