正确答案:

题目：假设存在许多家商业银行，公众不持有通货，法定准备金率规定为10%。如果在进行公开市场操作前银行没有持有超额储备，那么联邦储备委员会出售价值为20万美元的政府债券的公开市场操作，最终将导致货币供给减少（ ）。

解析：B

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举一反三的答案和解析：

[单选题]Passage ThreeIn an age when waste today means a lack tomorrow, making use of every available resource becomes more and more important. As coal is being used in greater and greater amounts to produce electricity, larger amounts of ash, by-product of coal, are produced. When coal is burned

The coal by-product.

解析：答案为 A。根据题干找到第一段第三、四句，About 10 to 15 percent of the coal by-product is bottom ash which is used like sand on icy city streets and highways and also on highways as paving material 符合题意。

[单选题]马克思主义哲学对现代科学的指导作用的表现是

提供正确的思维理论和研究方法 D． 排除唯心主义和形而上学的干扰

解析：CD

[单选题]根据下列文章，回答31～35题。The relationship between formal education and economic growth in poor countries is widely misunderstood by economists and politicians alike. Progress in both areas is undoubtedly necessary for the social, political and intellectual development of these and all other societies; however, the conventional view that education should be one of the very highest priorities for promoting rapid economic development in poor countries is wrong. We are fortunate that is it, because building new educational systems there and putting enough people through them to improve economic performance would require two or three generations. The findings of a research institution have consistently shown that workers in all countries can be trained on the job to achieve radically higher productivity and, as a result, radically higher standards of living.

has been overestimated.

[单选题]法律强制作用的主动主体是

国家

[单选题]

around

解析：世界其他法庭。本题测试点为其他介词用法。A、C都可以表示“世界上”的意思，但C多了“遍布世界”这个意义，更为恰当。

[多选题]真武汤中配伍芍药的用意是

止腹痛

敛阴护阴

利小便

养血柔筋

解析：ABCD

[单选题]肾脏维持体内水平衡的功能，主要靠调节下列哪项活动来实现?

远曲小管和集合管对水的重吸收量

解析：

15．答案：D

[考点] 肾脏对水平衡的调节

[分析] 机体对水平衡的调节主要是通过抗利尿激素释放的变化，从而导致远曲小管和集合管对水的重吸收量改变来实现的。 A、B、C三个选项中涉及的水的转运不是主动过程，不受调节；肾小管不分泌水，因而选项E也不可能是本题的答案。