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某中学校医拟对本校500名初中生进行近视现况调查，首先对近视学生进行筛查，并对所有调查对象进行问卷调查。近视筛查采用远视力检查结合插片检查。

对学生进行远视力检查时，下列哪些操作是不符合要求的（）。

A.在室内检查视力时，视力表应挂在有窗的白色墙上

B.视力表和视力灯箱的悬挂高度，应使5.0视标一行E字与多数被检者的两眼在同一水平

C.受检者正常在距离视力表5米处测视力，用遮眼板分别遮挡一眼

D.检查时一般先查右眼，后查左眼

E.辨认正确的视标数应超过该行视标总数的1/2，记下该行视标的视力记录值，即为该眼视力

F.受检者如在5米处不能辨认视力表最上一行视标，向前移1米再查

答案

参考答案：A, E

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．invisible

B．limited

C．indefinite

D．different
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判断题

根据监督主体的不同，可以将当代中国的法的监督体系分为两大类：一般监督和专门监督。 ( )
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