不适用"被保险人获得的补偿不能高于其实际损失"补偿原则的是（）。
A.费用型健康保险
B.人寿保险
C.意外伤害保险
D.定额给付型健康险
参考答案：D
— Do you think it's a good idea to make friends with my students?
— _____, I do. I think it's a great idea. [ ]
A. Really
B. Obviously
C. Actually
D. Generally
离心泵叶轮有封闭式、（）、开式三种形式。
