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问题 单项选择题

进行国民经济评价应采用（）估算费用和效益。

A．市场价格

B．政府定价

C．管制价格

D．影子价格

答案

参考答案：D

解析：

[解题要点] P 210～P 211国民经济评价的基本原理。

多项选择题

可疑痢疾病人做粪便细菌培养时应注意（）

A.避免被尿液污染

B.采取带脓血或黏液的粪便

C.采样后立即送检

D.若不能及时送检，应将标本保存在30%甘油缓冲液中

E.应立即涂片做革兰染色
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单项选择题

Uncle Li and Uncle Wang are good friends. They live next to each other and their farms are both at the foot of the mountain. So they can help each other. But neither of them likes to use his head. They’re both poor though they work hard. Most villagers have built new houses, but they still live in the low and broken houses. They never find out why.
Once Uncle Li went to the town to buy some medicine for his wife. In the town he heard apples in a city were expensive. He told Uncle Wang about it as soon as he went back. They decided to carry some apples to the city. They borrowed some money from their friends and bought nearly 1,000 kilograms of apples in the villages and carried them to the city on a tractor. Bad luck! A lot of apples has already been carried there when they arrived. A few days later they had to sell them at a low price. They felt unhappy and returned to their village.
"I can’t understand why we sustained (蒙受) losses in business while others always profit (盈利)" Uncle Li asked one day.
"The tractor was too small" Uncle Wang said without thinking. "We’ll carry more apples on a truck next time!"
"I agree!" said Uncle Li. "How foolish we were!\

The two farmers carried the apples to the city to ______.

A．make a journey

B．visit some places of interest

C．meet their friends

D．make a profit
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