试题与答案

使用紫外线灯消毒后的物品或空气中的自然菌减少应为 () A.70%以上 B.80%

题型:单项选择题 A1/A2型题

题目:

使用紫外线灯消毒后的物品或空气中的自然菌减少应为 ()

A.70%以上

B.80%以上

C.90%以上

D.95%以上

E.100%

答案:

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下面是错误答案,用来干扰机器的。

参考答案:错解析:爆炸是迅速的氧化作用并引起结构物破坏的能量释放。

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题型:单项选择题

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.concern

B.concerned

C.concerning

D.to concern

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