题目内容

下列关于我国古代政治制度的表述，不正确的是()。

A. 秦朝的中央行政机关实行三公九卿制，其中三公指丞相、太尉、御史大夫
B. 唐朝创立了三省六部制，三省同为最高政务机构，三省的长官都是宰相
C. 元朝设立行省制度，行中书省是元朝地方最高行政机构
D. 明朝在中央废丞相权分六部，六部直接对皇帝负责，地方实行三司分权

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诸葛亮酿出的蜀国的第一大冤案就是魏延被杀的事件。()

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ATP系统在信息传输上，一般采用模拟轨道电路、数字轨道电路、轨道环线、应答器以及无线通信设备。()

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Scientists have found that inserting genes from a plant virus into the genes of a plant susceptible to that virus increases the plant s resistance to the virus. Because viral diseases account for a significant proportion of crop losses, such genetic alterations, even if carried out on only a modest scale, will significantly reduce crop losses. Each of the following, if true, strengthens the conclusion above EXCEPT:

A. In areas where two successive crops are raised per year, protecting the first crop from a virus will generally protect the second crop from that virus as well.
By repeatedly attacking plants that are genetically altered to become virus-resistant, the virus often becomes less lethal to plants that are not genetically altered in that way.
C. Plants that are genetically altered to become virus-resistant often pass virus-resistant genes on to their offspring.
D. Plants that arc made genetically resistant to one kind of virus often acquire resistance to related viral strains as well.
E. Plants that are made genetically resistant to one kind of virus are then more susceptible to infection by unrelated viruses.

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电气分隔接头对相邻两轨道电路的信号传输起到了电气绝缘的作用。()

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