The Theory of Consumer Choice The theory of consumer choice addresses the following questions: – Do all demand curves slope downward? – How do wages affect labor supply? – How do interest rates affect household saving?

Structure Endowments Budget constraints with endowments Net demands Labor supply

一、供应链：(Supply chain) 1、概念：所谓供应链也称物流网络，是指产品生产和流通过程中所涉及的原材料供应商、生产企业、批发商、零售商及最终消费者组成的供需网络

（补贴协议）可诉补贴 Actionable subsidy (纺织品与服装、农产品)一体化进程 Integration process （服务贸易）境外消费 Consumption abroad （服务贸易）跨境交付 Cross border supply （服务贸易）商业存在 Commercial presence

6.1 Introduction: the problem of providing nutrition information Developments in nutrition research and improved scientific understanding of the relationship between diet and health have led to increasing interest in the nutri￾tional aspects of the food supply. This interest is shared by academics, health professionals, government officials, consumers and the food and supplement industries alike, although not always for the same reasons and generally at dif￾ferent levels of knowledge and understanding. Interest in nutrition, in respect of both total diet and individual foods, is second only to concern about food safety

You are going to hear some sentences telling you the 12 most populous countries in the world. Listen carefully and supply the missing information. Pay special attention to the numbers

Part I Warming Up A Words and Phrases You are going to hear some important dates in email history. Supply the missing dates and words Great Dates in Email History Date: ________________________ Leonard Kleinrock, a UCLA computer science professor, sends the ___________________to a colleague

1．控制器的构成与控制功能 构成：微机板μp，输入、输出接口板Input interface，Output interface,变换器控制板Con Control，机内电源Inter power supply 、调压板、通讯板

The Market System Relies on Supply and Demand to Solve the Trio of Economic Problems

Summary Theory Modeling approaches