问题
单项选择题
在可行性研究阶段，其投资估算的精度要求在（）以内。
A．±30％
B．±20％
C．±10％
D．±5％
答案
参考答案：C
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在可行性研究阶段，其投资估算的精度要求在（）以内。
A．±30％
B．±20％
C．±10％
D．±5％
参考答案：C
I’m taking my family to Europe to have a trip. My wife (妻子) and our two children are 1 going along. My brother is 2 to go with us for vacation. Because he 3 went to other countries, he is even more 4 than the children. He can’t wait to go. My father would like to stay at home, but we’ll send him postcards 5 Europe. We’re 6 next Friday. We’re going to New York by train, 7 taking a ship to Europe. When we 8 in Europe, we are going to 9 countries for sightseeing. We’re going to those places by train or by bus and we’re 10 a week there. Then we are flying home.
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