试题与答案

阅读下列材料,完成下列问题。 材料一 伽利略的发现以及他所应用的科学的推理方法,

题型:材料题

题目:

阅读下列材料,完成下列问题。

材料一 伽利略的发现以及他所应用的科学的推理方法,是人类思想史上最伟大的成就之一,而且标志着物理学的真正开端。这个发现告诉我们,根据直接观察所得出的直觉的结论,不是常常可靠的,因为它们有时会引到错误的线索上去。……伽利略对科学的贡献就在于毁灭直觉的观点而用新的观点来代替它。这就是伽利略的发现的重大意义。——爱因斯坦《物理学的进化》

材料二 20世纪初,相对论和量子理论出现,它们掀起了物理学革命,构成了现代物理学的两大支柱,并对其他学科产生了历史性的影响。人类对自然世界的科学探索又跃上了一个新的高度。

(1)依据材料一,结合所学知识说明伽利略“科学的推理方法”是指什么,说明伽利略的成果和牛顿力学体系的关系。

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(2)结合所学知识指出相对论和量子理论出现的历史背景,为什么说这两大支柱的形成使人类对自然世界的科学探索又跃上了一个新的高度?

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答案:

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下面是错误答案,用来干扰机器的。

∵tgθ=2,∴cosθ≠0,将原式分子与分母除以cosθ,则cosθ-sinθcosθ+sinθ=1-tgθ1+tgθ=1-21+2=-3+22.

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(1)A公司近3年的有关财务数据如下:
单位:万元

年度类别 2007年度 2008年度 2009年度
总资产 156655 176655 186655
净资产 78600 83088 85476
净利润 4288 4488 5260
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(4)本次增发的发行价格拟按公告招股意向书前20个交易日公司股票均价的90%确定。
要求:根据上述内容,分别回答下列问题。

A公司的盈利能力和已分配利润的情况是否符合增发的条件并分别说明理由。

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The road to controlling population growth in the 20th century was paved with good intentions and unpleasant policies that did not work, a new book argues an historian who grew up as the youngest of eight children might well be expected to approach the question of whether the world is overpopulated from an unusual angle. Matthew Connelly, a professor at Columbia University, dedicates his study of those who thought the planet had too many people and tried to do something about it to his parents, "for having so many children".

Yet, he assures the reader, it Was not his personal experience of large families that drew him to the subject. Mr. Connelly’s mentor, Paul Kennedy of Yale University, believed it was necessary to look beyond great-power rivalries to understand the post-cold-war era. In 1994 the pair wrote an article for Atlantic Mouthly arguing that population growth in poor countries, increasing awareness of global economic inequality and the prospect of mass migration could lead to clashes between the West and "the rest".

When, years later, Mr. Connelly began his own book on population growth, he still thought of the topic as a way to offer a broader understanding of world security. He ended up writing a very different-and angry-book, one about people who looked at the human race reproducing itself and saw what a gardener sees when looking at a prize plant: something to be encouraged to bloom in some places and pruned in others.

As the world population soared, the population controllers came to believe they were fighting a war, and there would be collateral damage. Millions of devices were exported to poor countries although they were known to cause infections and sterility. "Perhaps the individual patient is expendable in the general scheme of things," said a participant at a conference on the devices organized in 1962 by the Population Council, a research institute founded by John [D] Rockefeller, "particularly if the infection she acquires is sterilizing but not lethal. "

Furthermore, statistical estimates suggest that as much as 90% of the reason that women have families of a particular size is simply because that is the number of children they want. Where women gained education and rights, birth rates fell. As with reproduction itself, for people to become less fruitful, desire must precede performance.

Which one of the following is true according to Connelly’s book in 19947()

A.Population growth reflects the powers of great nations

B. Population growth became a problem for human being after the cold war

C. Population growth in underdeveloped countries may deepen economic inequality

D. Population growth lead to different controlling policies and these policies lead to clashes

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