海水珍珠置紫外光灯365nm下观察，显（）
A.亮黄色荧光
B.亮黄绿色荧光
C.浅蓝紫色荧光
D.紫红色荧光
E.深蓝色荧光
参考答案：C
Last summer holiday, I went back to my hometown, ________ the neighbours and the house ________ I used to be familiar with were gone.
A．only finding; which
B．only to find; that
C．to find; whom
D．found; that
心理健康教育的原则主要包括（）
A.科学性原则
B.针对性原则
C.尊重性原则
D.保密性原则
E.专业性原则
