客户投诉的处理原则是什么？（）
A.理解客户原则
B.重要性原则
C.优先性原则
D.有效性原则
E.及时性原则
参考答案：A, C, D
— What do you think made Celia so happy?
— ________ a prize in the recent competition. [ ]
A. As she won
B. Won
C. Winning
D. Because of winning
引起异位ACTH综合征的肿瘤最常见的是（）
A.甲状腺髓样癌
B.胸腺癌
C.小细胞性肺癌
D.胰腺癌
E.神经节细胞瘤
