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问题 材料分析题

地区间经济发展水平等差别，是造成人口移动的最主要的原因。美国地理学家W?齐林斯基1971年把人口迁移与现代化联系起来，阐述了人口迁移转折的理论，即随着现代化发展，人口迁移可分为三种类型：开拓式人口迁移（与土地扩张相伴的人口迁移）、城乡间人口迁移和城市间人口迁移。

阅读材料，回答问题。

材料一现代化不同阶段

材料二我国有学者用数学方法研究了不同省市间城市人口迁移的规律，得出经验公式：h=-7214．97+ 75．7911+0．34p，式中h代表省外移民的响应率，1代表迁入城镇登记就业率，p代表迁入城镇第三产业产值。

（1）材料一中曲线①②③分别代表_______人口迁移、______人口迁移和_____人口迁移，我国目前最主要的人口迁移类型是_____人口迁移。

（2）根据材料二中的公式，迁入城镇第三产业产值与省外移民的响应率呈________关系，外来民工最不可能在下列哪些产业部门找到工作？______。（填字母）

A．餐饮业B．金融C．社会服务业D．建筑业

答案

（1）城市间；城乡间；开拓式；城乡间

（2）正相关；B

单项选择题

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. focusedB. transferred C. turned D. distracted

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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单项选择题

骨髓细胞形态学检查的内容不包括（）

A.有核细胞分类计数

B.骨髓增生程度

C.细胞形态改变

D.骨髓染色体分析

E.巨核细胞计数及分类
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