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问题 单项选择题

( )是生产经营过程中发生的物质和人工费用的总和，是价格的基础和最低限度。

A．资金

B．税金

C．成本

D．利润

答案

参考答案：C

解析： 价格的基础和最低限度的评价因素是生产成本的高低。

单项选择题

The Japanese Macaca monkey has been studied in the wild for over 50 years. In 1952, on one small Japanese island, scientists dropped some (21) in the dirt for the monkeys. The monkeys liked their taste, but they found the dirt (22) .
One clever 18-month-old monkey found she could (23) the problem by washing the sweet potatoes in a nearby river. She taught this to her mother. Her (24) also learned this new way and they taught their mothers too.
All the younger monkeys (25) learned to wash the dirty sweet potatoes to make them (26) to eat. But many old monkeys found it very hard to learn this and still ate the (27) sweet potatoes.
Then something very strange (28) In the autumn of 1958, scientists found that the monkeys on other nearby (29) began washing their sweet potatoes too. Scientists still don’t fully understand how this knowledge was (30) from one island to another.

Ⅱ. 完形填空

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阅读下面短文，掌握其大意，然后再各题所给的四个选项(A、B、C和D)中选出一个最佳选项。

A．nicer

B．smaller

C．lighter

D．drier
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单项选择题

建筑工程招标投标，下列关于评标委员会中有关技术、经济等方面的专家数的要求是（）。

A、不少于成员总数的1/3

B、不少于成员总数的1/2

C、不少于成员总数的2/3

D、全部成员
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