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问题 单项选择题

男性，35岁，因胃溃疡穿孔，在全麻下行毕Ⅰ式胃大部切除、腹腔引流术。术后返回病室，病人已清醒，生命体征稳定，切口敷料干燥，胃肠减压吸出暗红色血性液体50ml。

该病人术后拔除胃管的指征是

A．术后2～3天

B．生命体征平稳

C．无腹胀

D．肛门排气

E．有饥饿感

答案

参考答案：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．insists on

B．sums up

C．turns out

D．puts forward
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多项选择题

支付结算原则包括（）。

A.恪守信用，履约付款

B.支付结算必须依照相关法律进行

C.谁的钱进谁的账，由谁支配

D.支付决算的发生取决于委托人的意志

E.银行不垫款
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