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读写任务Many people believe that in the future computers will be used in lots of everyday activities. It is thought that we won’t go shopping because many goods are available on the Internet.There will be no more books because all books will be available from electronic libraries.The Internet will be used to book holidays, rent films and order food. Most telephone calls will be made over the Internet as well. Some people are excited about these new developments.Others, however, do not think that computers will replace our present ways of shopping and communicating. Is Internet shopping as much fun as traditional shopping ? Many people say it is not. It is fun to go into shops and look at the goods in person. It is also unlikely that many people will want to read large texts on their computers because paper books will possibly be more user- friendly. Maybe, computers won’t change these habits. 【写作内容】 1.以约30个词概括材料中心内容。 2.以约120个词表达如下要点: (1)描述你周围的同学对网上购物的不同看法。 (2)你喜欢传统的购物方式还是网上购物? (3)结合自己的生活体验说明你喜欢的理由。 【写作要求】 1.作文中可使用自己的亲身经历或虚构的故事,也可以参照阅读材料的内容但不得直接引用原文中的句子。 2. 作文中不能出现自己的真实姓名和学校名称。 【评分标准】 概括准确,语言规范,内容合适,篇章连贯。
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【简答题】简述循环经济的实现模式
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A.
is a price just sufficient to cover fixed cost.
B.
is at the point where total revenue from sales is at its minimum level.
C.
occurs at the point where marginal and average cost are equal.
D.
occurs at the point where marginal cost is at its minimum level.
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A.
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B.
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C.
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D.
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A.
greater than zero but less than one.
B.
equal to one.
C.
greater than one.
D.
equal to zero.
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A.
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B.
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C.
经济职能
D.
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A.
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B.
C语言源程序
C.
高级语言程序
D.
机器语言源程序
【单选题】In economic analysis, any amount of profit earned above zero is considered "above normal" because:
A.
normally firms are supposed to earn zero profit.
B.
this would indicate that the firm's revenue exceeded both its accounting and opportunity cost.
C.
this would indicate that the firm was at least earning a profit equal to its opportunity cost.
D.
this would indicate that the firm's revenue exceeded its accounting cost.
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