在DOS下,可以做硬盘低级格式化的软件工具是() A.DM B.ARJ C.

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问题:

在DOS下,可以做硬盘低级格式化的软件工具是()

A.DM

B.ARJ

C.PK

D.QAPLUS

考点:计算机维修工计算机维修工题库
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已知两个合数的最大公约数与最小公倍数的和是143,这两个合数是______.

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CRH380AL型动车组内部门电控系统包括()、红外传感器、手动电动切换开关、关到位隔离开关、电机等。

A.内端门控器

B.电子门控器

C.机械门控器

D.信号控制器

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主管生长发育是气的()

A.推动作用

B.温煦作用

C.防御作用

D.固摄作用

E.气化作用

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The "standard of living" of any country means the average person’s share of the goods and services which the country produces. A country’s standard of living, (1) , depends first and (2) on its capacity to produce wealth." Wealth" in this sense is not money, for we do not live on money (3) on things that money can buy. "Goods" such as food and clothing, and "services" such as transport and " (4) ". A country’s capacity to produce wealth depends upon many factors, most of (5) have an effect on one another. Wealth depends (6) a great extent upon a country’s natural resources. Some regions of the world are well supplied with coal and minerals, and have a fertile soil and a (7) climate; other regions possess none of them.

Next to natural resources (8) the ability to turn them to use. China is perhaps as well (9) as the USA in natural resources, but suffered for many years from civil and (10) wars, and (11) this and other reasons was (12) to develop her resources. (13) and stable political conditions, and (14) from foreign invasion, enable a country to develop its natural resources peacefully and steadily, and to produce more wealth than another country equally well (15) by nature but less well ordered.

A country’s standard of living does not only depend upon the wealth that is produced and consumed (16) its own borders, but also upon what is indirectly produced through international trade. (17) , Britain’s wealth in foodstuffs and other agricultural products would be much less if she had to depend only on (18) grown at home. Trade makes it possible for her surplus manufactured goods to be traded abroad for the agricultural products that would (19) be lacking. A country’s wealth is, therefore, much influenced by its manufacturing capacity, (20) that other countries can be found ready to accept its manufactures.

16()

A.with

B.within

C.near

D.around

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电子商务下企业成本优势的建立和保持必须以可靠和高效的信息沟通为保证。

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