问题
单项选择题 A1型题
在原卫生服务量的基础上再增加一个单位的服务量，所增加的成本在卫生经济学上被定义为（）。
A.固定成本
B.机会成本
C.直接成本
D.边际成本
E.可变成本
答案
参考答案：D
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在原卫生服务量的基础上再增加一个单位的服务量，所增加的成本在卫生经济学上被定义为（）。
A.固定成本
B.机会成本
C.直接成本
D.边际成本
E.可变成本
参考答案：D
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| The weather was perfect. We were just out for a picnic. When lunch time came, we decided to go and get what each of us wanted, and meet back on the grass. Susan and I headed for a hot dog stand. We watched the seller put together the hot dog. But when Susan took out her 1 , the man surprised us. "It looks a little overdone," he said, "so you don't have to pay me." We said our thanks, 2 our friends, and began to enjoy our food. But as we talked and ate, I noticed a man sitting alone nearby, in 3 clothes. I could tell that he hadn't had a bath for days. Another homeless person, I thought. We finished eating but when Susan and I went to 4 away the lunch bag, I heard a voice ask, "There isn't any 5 in that bag, is there?" It was the homeless man. 6 didn't know what to say. "No, I ate it already." "Oh, really?" was his only answer. He was obviously (明显地) very 7 . I felt bad for him, 8 I didn't know what to do. Suddenly Susan said,"I'll be right back. Please wait for me a minute." I watched curiously (好奇地) as she went across to the hot dog stand. Then I 9 what she was doing. She bought a hot dog, crossed back, and gave the man the food. When she came back to us, Susan said simply, "I was just passing on the 10 that someone gave to me." That day I learned how generosity (慷慨) can go 11 than the person you give to. By giving, you 12 others how to give also. You never know what happiness a simple act of concern will bring about. | ||||
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