投资估算的精确度为±30%，研究费用一般占总投资的0.2%～0.8%，_爱下问搜题

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问题单项选择题

投资估算的精确度为±30%，研究费用一般占总投资的0.2%～0.8%，该阶段为( )。

A．投资机会研究
B．初步可行性研究
C．详细可行性研究
D．项目的评估和决策

答案

参考答案：A

翻译题

We have no idea about 1 men first began to use salt. But we do know that it had been used in many different ways __2___ the history.
For example, in many history books it is __3__ that people who lived three thousand years ago __4__salted fish. Thousands of years ago in Egypt（埃及）, salt __5_ keep the dead. It can keep the dead bodies __6__ decay.（腐烂）
In the eighteenth century, a person who stole salt was __7__ to have broken the __8__. if a person was caught stealing salt, he would be thrown into __9__. Books also record that in England about ten thousand people were put into prison during that century _10__ stealing salt! In the year 1553, if a man took __11__ than his share of salt, he would be thought to have broken the law and would be __12__ punished(惩罚).
Salt was very __13__ on the dinner table of a king. It was always put __14__ the king when he sat down to eat. Then important visitors sat near the salt __15_ less important visitors were given seats farther away from it.

B．was used to

小题12:A. serious B. bad C. terrible D seriously

小题14:A. in the front of B behind C. in front of D. before

单项选择题

碳酸饮料的主要特征是其含有（）

A、二氧化钾

B、二氧化碳

C、二氧化硫

D、二氧化氢