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问题 单项选择题 A2型题

患者男性，持续性上腹隐痛3个月，食欲不振，消瘦。体检：面色苍白，上腹部有压痛，未触及包块，肝、脾肋下未及。对确诊有帮助的检查是（）

A.纤维胃镜加活检

B.肝放射性核素扫描

C.B型超声检查

D.血清胃泌素测定

E.胃酸测定

答案

参考答案：A

单项选择题

下列液体回声何项描述不妥()

A、胆汁是无回声 

B、尿液是无回声 

C、血液是无回声 

D、新鲜的出血和新鲜血肿是无回声 

E、发生纤维化钙化的陈旧性血块回声增多
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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．fundamental

B．comprehensive

C．equivalent

D．hostile
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