泡沫灭火系统按设备安装使用方式分类有()的泡沫灭火系统。A.平行式 B.垂直式 C.

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问题:

泡沫灭火系统按设备安装使用方式分类有()的泡沫灭火系统。

A.平行式

B.垂直式

C.固定式

D.半固定式

考点:造价工程师建设工程技术与计量(安装)建设工程技术与计量(安装工程部分)
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国家级重点风景名胜区总体规划由()审定。

A.国务院

B.国家风景名胜区主管部门

C.风景名胜区所在地省级人民政府

D.风景名胜区所在地省级风景名胜区主管部门

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读材料,分析回答下列问题.

材料1:为了可持续发展,我国对水土资源进行了初步调查,得出下表资料.

占全国的百分比长江流域及以南地区长江流域以北地区
水资源80%14.7%
人口53.5%54.4%
耕地35.2%59.2%
材料二:目前,国务院提出了节能减排的目标任务,指出降低万元国内生产总值能耗、降低单位工业增加值用水量、减少主要污染物排放总量等具体要求.

(1)我国水资源和耕地的分布特点是______

A南方地多水少    B南方地少水多    C北方地多水多    D北方地少水少

(2)针对水土资源的配置情况,我国实施的最大调水工程是______

A长江三峡工程    B淮河治理工程   C南水北调工程   D黄河小浪底二期工程

(3)专家说“节水比调水更重要”,节能减排亦是如此,请你写出可以有效节约水资源的做法______.

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据圆柱铣刀旋转方向与工件移动方向之间的相互关系,铣削可分为()和()两种方法。

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There is no question that the academic enterprise has become increasingly global, particularly in the sciences. Nearly three million students now study outside their home countriesa 57% increase in the last decade. Foreign students now dominate many U.S. doctoral programs, accounting for 64% of Ph. D. s in computer science, for example.
Faculty members are on the move, too. Half of the world’s top physicists no longer work in their native countries. And major institutions such as New York University are creating branch campuses in the Middle East and Asia. There are now 162 satellite campuses worldwide, an increase of 43% in just the past three years.
At the same time, growing numbers of traditional source countries for students from South Korea to Saudi Arabia (沙特阿拉伯), are trying to improve both the quantity and quality of their own degrees, engaging in a fierceand expensiverace to recruit students and create world-class research universities of their own.
Such competition has led to considerable hand-wringing in the West. During a 2008 campaign stop, for instance, then—candidate Barack Obama expressed alarm about the threat that such academic competition poses to U. S. competitiveness. Such concerns are not limited to the United States. In some countries, worries about educational competition and brain drains have led to academic protectionism. India, for instance, places legal and bureaucratic barriers in front of Western universities that want to set up satellite campuses to enroll local students.
Perhaps some of the anxiety over the new global academic enterprise is understandable, particularly in a period of massive economic uncertainty. But educational protectionism is as big a mistake as trade protectionism is. The globalization of higher education should be embraced, not fearedincluding in the United States. There is every reason to believe that the worldwide competition for human talent, the race to produce innovative research, the push to extend university campuses to multiple countries, and the rush to train talented graduates who can strengthen increasingly knowledge-based economies will be good for the United States, as well.

In the last paragraph, the author tries to emphasize that ______.

A. the academic enterprise has become global
B. academic competition has led to protectionism
C. worries over educational competition are understandable
D. educational protectionism cannot be justified

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