男性,50岁,左侧胸痛1个月。有吸烟史20年。胸片示左侧胸腔积液伴左肺门阴影增大。胸

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问题:

男性,50岁,左侧胸痛1个月。有吸烟史20年。胸片示左侧胸腔积液伴左肺门阴影增大。胸水检查:比重1.020,蛋白30g/L,Rivalta试验阳性,白细胞0.8×109/L,多核0.72,单核0.28,红细胞1.1×109/L。最可能的诊断是()

A.结核性胸膜炎

B.淋巴瘤合并胸腔积液

C.细菌性肺炎合并胸腔积液

D.肺癌合并胸腔积液

E.病毒性肺炎合并胸腔积液

考点:结核病专业知识结核性胸膜炎结核性胸膜炎题库
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随着收入的提高,我市拥有私家车的家庭越来越多了,汽车尾气对空气污染很大,下列不能很好解决这个问题的方案是[ ]

A.用无铅汽油,且过滤尾气

B.扩大绿化面积

C.有计划地控制汽车流量

D.拓宽交通路面

题型:单项选择题 A1/A2型题

原子序数从3~10的元素,随着核电荷数的递增而逐渐增大的是

A.电子层数

B.电子数

C.原子半径

D.化合价

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在匀强磁场中有一个原来静止的碳14原子核,它放射出的粒子与反冲核的径迹是两个相内切的圆,如图所示.那么碳14的衰变方程为(  )

A.+

B.+

C.+

D.+

题型:单项选择题 A1/A2型题

博弈论是指人们在相互的活动当中策略相互作用的理论。

题型:单项选择题 A1/A2型题

The potential of computers for increasing the control of organizations or society over their members and for invading the privacy of those members has caused considerable concern.
The privacy issue has been raised most insistently with respect to the creation and maintenance of data files that assemble information about persons from a multitude of sources. Files of this kind would be highly valuable for many kinds of economic and social research, but they are bought at too high a price if they endanger human freedom or seriously enhance the opportunities of blackmailers. (2) While such dangers should not be ignored, it should be noted that the lack of comprehensive data files has never before been the limiting barrier to the suppression of human freedom.
Making the computer the villain in the invasion of privacy or encroachment on civil liberties simply diverts attention from the real dangers. Computer data banks can and must be given the highest degree of protection from abuse. (3) But we must be careful, also, that we do not employ such crude methods of protection as to deprive our society of important data it needs to understand its own social processes and to analyze its problems.
Perhaps the most important question of all about the computer is what it has done and will do to man’s view of himself and his place in the universe. (4) The most heated attacks on the computer are not focused on its possible economic effects, its presumed destruction of job satisfaction, or its threat to privacy and liberty, but upon the claim that it causes people to be viewed, and to view themselves, as ’machines’.
What the computer and the progress in artificial intelligence challenge is an ethic that rests on man’s apartness from the rest of nature. An alternative ethic, of course, views man as a part of nature, governed by natural law, subject to the forces of gravity and the demands of his body. (5) The debate about artificial intelligence and the simulation of man’s thinking is, in considerable part, a confrontation of these two views of man’s place in the universe.

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