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问题 多项选择题

某水利施工企业2013年6月12日取得水利安全生产标准化一级达标证书，若该企业申请将证书有效期延期，则以下说法正确的是（）。

A.该企业必须在2014、2015、2016年均完成年度自评

B.该企业必须持续改进安全生产标准化工作

C.该企业可于2016年4月20日向水利部提出延期申请

D.该企业水利安全生产标准化一级达标证书有效期最多可延长5年

答案

参考答案：A, B, C

单项选择题

Research on animal intelligence always makes me wonder just how smart humans are. (91) the fruitfly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly (92) to live shorter lives. This suggests that (93) bulbs burn longer, that there is an (94) in not being too terrifically bright.
Intelligence, it (95) , is a high-priced option. It takes more upkeep, burns more fuel and is slow (96) the starting line because it depends on learning—a gradual (97) —instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to (98) .
Is there an adaptive value to (99) intelligence That’s the question behind this new research. I like it. Instead of casting a wistful glance (100) at all the species we’ve left in the dust I.Q. wise, it implicitly asks what the real (101) of our own intelligence might be. This is (102) the mind of every animal I’ve ever met.
Research on animal intelligence also makes me wonder what experiments animals would (103) on humans if they had the chance. Every cat with an owner, (104) , is running a small-scale study in operant conditioning, we believe that (105) animals ran the labs, they would test us to (106) the limits of our patience, our faithfulness, our memory for terrain. They would try to decide what intelligence in humans is really (107) , not merely how much of it there is. (108) , they would hope to study a (109) question. Are humans actually aware of the world they live in (110) the results are inconclusive.

A．fight

B．doubt

C．stop

D．think
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单项选择题

关于工程招标方式叙述正确的是( )。

A．采用邀约招标的方式，至少向五个以上具备承担招标能力的法人或组织发出投标邀请书
B．邀请招标是一种无限制的竞争方式
C．公开招标是一种无限制的竞争方式
D．我国建设市场大力通行邀请招标方式
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