元朝在秦朝郡县制的基础上,实行了行省制度,这个制度对后世影响很大。其中最突出的影

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问题:

元朝在秦朝郡县制的基础上,实行了行省制度,这个制度对后世影响很大。其中最突出的影响是[ ]

A.为我国明清以后的行政划分奠定了初步基础

B.加强了中央对边疆地区的管辖

C.有利于元朝民族分化政策的实施,巩固其统治

D.各族人民统一在中央 * * 管辖下,成为一个不可分割的整体

考点:元朝行省制度
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设f(x)=x5-x3+2x2-2x-4,g(x)=x4+x3+x2+3x+2,h(x)为f(x)与g(x)的最高公因式且最高次项系数为1,则h(1)与h(2)的乘积为(    )。

题型:选择题

下列各项所述的数字不是6的是

A.在NaCl晶体中,与一个Na+ 最近的且距离相等的Cl- 的个数

B.在金刚石晶体中,最小的环上的碳原子个数

C.在二氧化硅晶体中,最小的环上的原子个数

D.在石墨晶体的层状结构中,最小的环上的碳原子个数

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Children are a relatively modem invention. Until a few hundred years ago they look like adult, wearing grown-up clothes and grown-up expressions, performing grown-up tasks. Children did not exist because the family as we know it had not evolved.
Children today not only exist; they have taken over in no place more than in America, and at no time more than now. It is always Kids Country here. Our civilization is child-centered, child-obsessed. A kid’s body is our physical ideal. In Kids Country we do not permit middle-aged. Thirty is promoted over 50, but 30 knows that soon his time to be overtaken will come.
We are the first society in which parents expect to learn from their children. Such a topsy-turvy situation has come to abort at least in part because, unlike the rest of the world, ours is an immigrant society, and for immigrants the only hope is in the kids. In the Old Country, that is, Europe, hope was in the father, and how much wealth he could accumulate and pass along to his children. In the growth pattern of America and its ever- expanding frontier, the young man was ever advised to GO WEST; the father was ever inheriting from his son. Kids Country may be the inevitable result.
Kids Country is not at all bad. America is the greatest country in the world to grow up in because it is Kids Country. We not only wear kids clothes and eat kids food; we dream kids dreams and make them come tree. It was, after all, a boys’ game to go to the moon.
If in the old days children did not exist, it seems equally true today that adults, as a class, have begun to disappear, condemning all of us to remain boys and girls forever, jogging and doing push-ups against eternity.

The young man was advised to Go West to ______ .

A.find and accumulate more wealth

B.get more free land for the family

C.be the pioneers of the West

D.expand the country’s territory

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质地较轻且用量较少的饮片应放在

A.斗架的低层
B.斗架的高层
C.斗架的中上层
D.斗架的最下层
E.其他

题型:选择题

压下量越大,咬入越容易。

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