问题
单项选择题
( )的基本要求是充分发挥投资效益，降低生产成本，以较少资金获取更大效益。
A．经济适用性
B．经济先进性
C．经济合理性
D．经济可靠性
答案
参考答案：C
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( )的基本要求是充分发挥投资效益，降低生产成本，以较少资金获取更大效益。
A．经济适用性
B．经济先进性
C．经济合理性
D．经济可靠性
参考答案：C
| 根据短文内容，选择正确答案。 | |
dog and its feet are not clean. I don't want the dog to sit near me. But the woman says to the conductor (售票员): " Oh, I pay for (付款) my dog. Can he sit here like the other people? " The conductor looks at the dog and says, " Yes, madam (夫人), but he must put his feet on the ground like the other people." | |
| 1. I'm going home on a ______________ day. | |
| A. rainy B. snowy C. sunny | |
| 2. Who gets on the bus with a big dog? | |
| A. A girl. B. A conductor. C. A woman. | |
| 3. I don't want the dog to sit near me, because ______________. | |
| A. the dog is big B. the dog is not clean C. the dog isn't mine |