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【单选题】
Text 1 (1) The American economic system is organized around a basically private-enterprise, market-oriented economy in which consumers largely determine what shall be produced by spending their money in the marketplace for those goods and services that they want most. Private businessmen, striving to make profits, produce these goods and services in competition with other businessmen; and the profit motive, operating under competitive pressures, largely determines how these goods and services are produced. Thus, in the American economic system it is the demand of individual consumers, coupled with the desire of businessmen to maximize profits and the desire of individuals to maximize their incomes, that together determine what shall be produced and how resources are used to produce it. (2) An important factor in a market-oriented economy is the mechanism by which consumer demands can be expressed and responded to by producers. In the American economy, this mechanism is provided by a price system, a process in which prices rise and fall in response to relative demands of consumers and supplies offered by seller-producers. If the product is in short supply relative to the demand, the price will be bid up and some consumers will be eliminated from the market. If, on the other hand, producing more of a commodity results in reducing its cost, this will tend to increase the supply offered by seller-producers, which in turn will lower the price and permit more consumers to buy the product. Thus, price is the regulating mechanism in the American economic system. (3) The important factor in a private-enterprise economy is that individuals are allowed to own productive resources (private property), and they are permitted to hire labor, gain control over natural resources, and produce goods and services for sale at a profit. In the American economy, the concept of private property embraces not only the ownership of productive resources but also certain rights, including the right to determine the price of a product or to make a free contract with another private individual. 3. According to the passage, aprivate-enterprise economy is characterized by ________.
A.
[A] private property and rights concerned
B.
[B] manpower and natural resources control
C.
[C] ownership of productive resources
D.
[D] free contracts andprice
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【简答题】本学期应用写作课即将结束,请谈谈你对该门课程的认识。 要求:字数 1000 字以上 要求: 1.字数 1000 字以上
【简答题】类测试系列的充分性三个常用标准是基于状态的覆盖率、________________、_________________。
【单选题】关于力的概念,下列说法正确的是()
A.
没有相互接触的物体间也可能有力的作用
B.
力是物体位移增加的原因
C.
压缩弹簧时,手先给弹簧一个压力而使之压缩,弹簧压缩后再反过来给手一个弹力
D.
力可以从一个物体传给另一个物体,而不改变其大小
【单选题】关于力的概念,下列说法正确的是 ( )
A.
相互接触的物体间一定有力的作用
B.
力是使物体位置改变的原因
C.
力是使物体速度改变的原因
D.
力是使物体加速度改变的原因
【多选题】解表药主要分为哪几类
A.
辛温解表药
B.
解表退虚热药
C.
辛凉解表药
D.
发散表邪药
E.
解表止咳药
【单选题】关于力的概念,下列说法正确的是( )
A.
一个物体受力时,它一定与其他物体相互接触
B.
彼此不接触的物体之间不可能有力的作用
C.
彼此接触的物体之间一定有力的作用
D.
物体受到力的作用,一定有施力物体和受力物体同时存在
【判断题】电压互感器、电流互感器的铁心和二次侧的一端都必须可靠 接地。
A.
正确
B.
错误
【单选题】关于力的概念,下列说法正确的是?
A.
彼此接触的物体之间一定有力的作用。
B.
一个物体受力时,它一定与其他物体相互接触。
C.
彼此不接触的物体之间不可能有力的作用。
D.
物体受到力的作用,一定同时存在失施力物体和受力物体。
【单选题】关于力的概念 , 下列说法正确的是 ( )
A.
发生力的作用时,一定有施力物体,有时可以没有受力物体
B.
只有两个物体互相接触才能发生力的作用
C.
甲对乙施力时 , 甲是施力物体 , 同时也是受力物体
D.
不接触的两个物体不会发生力的作用
【单选题】世界上最早颁布义务教育法的国家是( )
A.
德国
B.
美国
C.
法国
D.
中国
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