下列属于固定成本包含的项目有（）。
A.原材料费用
B.生产工人的工资费用
C.厂房和设备的折旧
D.燃料和动力费用
E.管理人员的工资费用
参考答案：C, E
解析：本题考查固定成本的概念。固定成本是指不随产量变动而变动的那部分成本，包括厂房和设备的折旧、管理人员的工资费用等。而原材料、燃料和动力、生产工人的工资费用等属于可变成本包含的项目。
| 完形填空：从每小题的四个选项中选出最佳答案。 | ||||
| This is my house. There is a small garden behind the house. Sometimes I play games or 1 supper in the garden. Look! My cat 2 there now. There 3 three bedrooms and a living room in our house. My bedroom is 4 the first floor. It's quite small. There's a desk and a chair in the room. 5 near the window. You can see 6 books on the desk. They are 7 favorite books. There's a bed 8 the desk. 9 is blue. There's a pair of shoes 10 the bed. I like my house very much. | ||||
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