商品交换是按照价值量相等的原则进行的。货币出现后,“等价交换”的要求表现为()。A.

题型:单项选择题

问题:

商品交换是按照价值量相等的原则进行的。货币出现后,“等价交换”的要求表现为()。

A.交换双方的价值量相一致

B.交换双方的使用价值量相一致

C.交换的数量和比例相一致

D.价格与价值相一致

考点:国家公务员行政职业能力测试行政职业能力测试
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As Oil Declines, So does America


More than 100 years ago, America’s first great economic (26) abroad was spearheaded by its giant oil companies, notably John D. Rockefeller’s Standard Oil Company. These companies (27) powerful beachheads in Mexico and Venezuela, and later in parts of Asia, North Africa and, of course, the Middle East. (28) they became ever more dependent on the extraction of oil in distant lands, American foreign policy began to be (29) around acquiring and protecting US oil concessions in major (30) areas.
With World War Ⅱ and the Cold War, oil and US national (31) became thoroughly intertwined. After all, the United States had prevailed over the Axis (32) in significant part because it possessed vast reserves of domestic petroleum, while Germany and Japan lacked them, depriving their forces of vital (33) supplies in the final years of the war. As it happened, though, the United States was using up its domestic (34) so rapidly that, even before World War Ⅱ was over, Washington (35) its attention to finding new overseas sources of crude oil that could be (36) under American control. As a result, Saudi Arabia, Kuwait and a host of other Middle Eastern producers would become key US oil suppliers (37) American military protection.
There can be (38) question that, for a time, American domination of world oil production would prove a potent source of economic and military power. (39) World War Ⅱ, an abundance of cheap US oil spurred the (40) of vast new industries, including civilian air travel, highway construction, a (41) of suburban housing and commerce, mechanized agriculture, and plastics.

A. forces B. groups C. parties D. powers

Abundant oil also underlay the global expansion of the country’s (42) power, as the Pentagon defended the world while becoming one of the planet’s great oil guzzlers. Its global dominion came to (43) on an ever-expanding array of oil-powered ships, planes, tanks and missiles. As long as the Middle East—and especially Saudi Arabia—served essentially as an American gas station and oil (44) a cheap commodity, all this was relatively painless. That is why the use of military force has been a (45) of American foreign policy since 1987.

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回转减速机的主动齿轮均用()钢制造。

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膀胱刺激症状是指

A.尿频、尿多、尿痛
B.尿频、尿急、尿痛
C.尿频、腰痛、尿急
D.尿急、尿多、尿痛
E.尿多、尿频、腰痛

题型:单项选择题

不属于血栓形成的描述是

A.冠状动脉前降支斑块处的凝血块
B.心肌梗死处心内膜表面的凝血块
C.主动脉粥样斑块表面的凝血块
D.尸体心脏内与心壁粘连不紧密的凝血块
E.克山病心肌坏死处心内膜表面的凝血块

题型:单项选择题

下列对松树木材三切面描述正确的是()

A.横切面上木射线作辐射状排列

B.横切面上可见管胞的管径大小

C.径向切面可见木射线细胞的长度和高度

D.横切面上可见呈环状的年轮

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