问题
单项选择题
可行性研究报告的深度要求：重大的技术、经济方案，应有()方案的比选。
A．2个以上
B．3个以上
C．4个以上
D．5个以上
答案
参考答案：A
解析：在编制项目可行性研究报告时，重大的技术、经济方案，应有两个以上方案的比选。
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可行性研究报告的深度要求：重大的技术、经济方案，应有()方案的比选。
A．2个以上
B．3个以上
C．4个以上
D．5个以上
参考答案：A
解析：在编制项目可行性研究报告时，重大的技术、经济方案，应有两个以上方案的比选。
| 词语填空：选择所给单词完成短文。 | |
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| Which animal do we need 1. , dogs, horses, pigs? No! The 2. to the question is cows. Why cows? Cows give us milk. And milk is one of 3. most important 4. of food. Suppose (假设) that all the milk cows make in one year were put 5. bottles. And suppose these bottles were put side by side. The line of bottles would go all around the world 400 6. . That is a lot of milk, less than half of which is used for 7. and cooking. Most of it is used to make butter, cheese, ice cream and many other things. It takes many cows to give us that 8. milk. But not as many as it used to, a cow used to give only about 1500 quarts (夸脱) of milk a year. Now a fine cow may 9. more than 3000 quarts in a year. Why 10. cows give more today? Now farmers have better cows. The cows get better care and better food. |