飞行扰流板的主要作用是：（）.（A）增加机翼弯度 （B）增加阻力 （C）减小升力但不

在价值工程活动中，价值指数Ⅵ的计算结果不同，采取的改进策略也不同。下列改进策略中正确的是( )。

A．Ⅵ＜1时，应将评价对象列为改进对象，改善的方向主要是提高功能水平

B．Ⅵ＞1时，应将评价对象列为改进对象，改善的方向主要是降低功能水平

C．Ⅵ＞1时，应将评价对象列为改进对象，改善的方向主要是增加成本

D．Ⅵ＞1时，是否将评价对象列为改进对象，应作进一步分析后再确定

The amazing success of humans as a (91) is the result of the evolutionary development of our brains which has led, among other things, to tool-using, tool-making, the (92) to solve problems by logical reasoning, thoughtful cooperation, and language. One of the most striking ways in which chimpanzees biologically (93) humans (94) in structure of their brains. The chimpanzee, with the capacity for (95) reasoning, (96) a type of intelligence more like that of humans than (97) any other mammal living today. The brain of the modern chimpanzee is probably not too dissimilar (98) the brain that so many millions of years ago (99) the behavior of the first ape man.
For a long time, the fact that prehistoric people made (100) was considered to be one of the major (101) distinguishing them from other creatures. (102) pointed out earlier, I have watched chimpanzees (103) grass stems in order to use them to probe for termites. It is tree that the chimpanzee does not (104) tools to "a regular and set pattern"—but then, (105) people, before their development of stone tools, undoubtedly poked around (106) sticks, and straws, at which stage it seems (107) , that they made tools to a set pattern either.
It is because of the close (108) in most people’s minds of tools with humans (109) special attention has always been focused upon any animal able to use an object as a tool: but it is important to realize that this ability, on its own, does not necessarily indicate any special intelligence in the creature (110) .

A．modify

B．transform

C．convert

D．transfigure

建立国际经济新秩序的目标和原则是什么？

临界日长是指引起植物（）的光照长度界限。

A、拔节

B、开花

C、灌浆

D、结实

在进攻动作中，使方法巧妙必须与（）、（）、（），才能收到最佳的效果。