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问题 选择题

下列有关铁及其化合物的说法中不正确的是

A．工业上在高温下用CO还原含Fe2O3的铁矿石炼铁

B．铁在纯氧中燃烧或高温下和水蒸气反应均能得到Fe3O4

C．工业上可用铁质容器储存、运输浓硝酸、浓硫酸

D．氯化铁溶液有较强氧化性，故可用作净水剂

答案

答案：D

A对；B中铁在纯氧中燃烧是初三内容；C中考查了钝化知识；D中氯化铁溶液作为净水剂是因为Fe3+的水解产生Fe(OH)3胶体。

单项选择题

下列账簿中可以采用卡片账的是( )。

A．原材料总分类账
B．现金日记账
C．固定资产明细分类账
D．固定资产总分类账
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单项选择题

In one sense, we can trace all the problems of the American city back (91) a single starting point: we Americans don’t like our cities very much.
That is, on the (92) of it, absurd. After all, more than three-fourths of us now live in cities, and more are (93) to them every year. We are told that the problems of our cities are (94) more attention in Washington, and scholarship has discovered a whole new (95) in urban studies.
(96) , it is historically true: in the American psychology, the city has been a basically suspect institution, (97) with the corruption of Europe, totally lacking that sense of spaciousness and innocence of the (98) and the rural landscape.
I don’t pretend to be a scholar on the history of the city in American life. But my thirteen years in public (99) , first as an officer of the U. S. Department of Justice, then as Congressman, and now as Mayor of the biggest city in America have taught me (100) too well the fact that a p antiurban attitude (101) consistently through the mainstream of American thinking. Much of the (102) behind the settlement of America was in reaction (103) the conditions in European industrial centers and much of the theory (104) the basis of freedom in America was linked directly to the availability of land and the perfectibility of man outside the corrupt influences of the city.
What has this to do with the predicament of the modern city I think it has (105) to do with it. For the fact is that the United States (106) the federal government, which has historically established our national priorities, has simply never thought that the American city was "worthy" of (107) —at least not to the (108) of expending any basic resources on it.
Antipathy to the city predates the American experience. When industrialization (109) the European working man into the major cities of the continent, books and pamphlets appeared (110) the city as a source of crime, corruption, filth, disease, vice, licentiousness, subversion, and high prices.

A．frontier

B．border

C．outskirts

D．suburbs
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