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【单选题】
以下哪位学者认为善念就是人的本性的善?()A.
荀子
B.
C.
D.
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【简答题】图所示悬臂梁,在均布荷载 q 和集中力 P 作用下,支座反力有 , , .
【单选题】Which of the following alternative explanations of the change in the cash value of children would be most likely to be put forward by sociological economists as they are described in the passage?
A.
The cash value of children rose during the nineteenth century because parents began to increase their emotional investment in the upbringing of their children.
B.
The cash value of children rose during the nineteenth century because their expected earnings over the course of a lifetime increased greatly.
C.
The cash value of children rose during the nineteenth century because the spread of humanitarian ideals resulted in a wholesale reappraisal of the worth of an individual
D.
The cash value of children rose during the nineteenth century because compulsory education laws reduced the supply, and thus raised the costs, of available child labor.
E.
The cash value of children rose during the nineteenth century because of changes in the way negligence law assessed damages in accidental-death cases.
【简答题】【案例】患者，女，28岁。因多食、消瘦、怕热、突眼2年多，加重伴2周而入院。病程中时常有每日大便次数增多或者腹泻的现象，近来加重。人院检：消瘦，突眼。甲状腺肿大，可触及震颤。伸舌及伸手可见细震颤。T37.8℃，P116次/分，呼吸平稳，BP130/80mmHg;心率118次/分，偶闻早搏;双肺未闻及明显湿啰音;腹软，肝脾未明显触及。入院后经一系列检查，考虑诊断为甲状腺功能亢进症。考虑患者为良性突眼...
【简答题】Dear Friend. The recent success of children’s books hasmade the general public aware thatthere's a huge market out there. 21 And there's a growing need for new writerstrained to create the ＄ 3 billio...
【简答题】悬臂梁如下图所示，梁上作用均布荷载q，在B端作用集中力F=2ql和力偶 M=ql2；梁长度为4l，已知q和l，则固定端A的约束反力为（ ）。
【简答题】图(a)所示悬臂梁长l=3m，由24b号工字钢制成，作用在梁上的均布荷载q=5kN/m，集中荷载F=2kN，力F与y轴的夹角φ=30°。 求:梁中横截面山的最大拉应力和最大压应力
【简答题】We had to ________ a lot of noise when the children were at home. A) go in for B) hold on to C) put up with D) keep pace with
【简答题】悬臂梁如图a所示，梁上作用均布载荷q，在B端作用集中力F=ql和力偶矩M=ql 2 的力偶作用，梁的长度为2l，设q、l均为已知。试求固定端A的约束力。
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