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选项A，应当是将订购单的日期或编号作为测试订购单的识别特征；选项C，应为通过样本的来源、抽样的起点及抽样间隔来识别已选取的样本；选项D，应当是将询问的时间、被询问人的姓名及职位作为识别特征。

1.一般说来，宏观环境因素包括政治和法律环境因素、经济环境因素、社会和文化环境因素及技术环境因素。（1分）
2. ①政治和法律环境因素：国家大力扶持电信产业的发展，电信终端得以飞速发展；国家政策支持：政府越来越重视发展、扶持民营经济，鼓励大胆创新，提高经济附加值，为移动互联网的发展壮大提供了政策支持。（1分）
②经济环境因素：国内生产总值稳中向好，农村居民人均纯收入及城镇居民人均可支配收入的提高，都会增加消费者对生活必需品的需求。（1分）
③社会和文化环境因素：手机生产基地在富士康，使用者呈现出区域特点，有将近1/3的使用者都在北京地区，而在广州和深圳等南方城市则比较少。人们追求更加时尚、简约实用、性价比高的手机。（1.5分）
④技术环境因素：手机行业整体发展迅猛，液晶电容和电阻屏屏幕制造技术逐渐成熟，带来了可视角度和显示像素的视觉体验极佳的手机屏幕，android系统的完美操作性给大屏幕的触摸屏，游戏的开发带来了极大的支持、方便。（1.5分）
【English Answers】
（1）Generally speaking, macro-environment factors include political environment factor and legal environment factor, economic environment factor, socio-cultural environment factor as well as technological environment factor.
（2）
①Political and legal environment factors: country vigorously support the development oftelecomindustry, which results in the rapid development of telecommunication terminal; national policy support;
Government increasingly pays special attention to the development, supports the private economy, encourages innovation, improves economic value-added, provides support for the development of mobile internet.
②Economic environment factors: The stability of gross domestic products is going well, the increase in urban resident net income per capita and rural resident disposal income per capita, will increase customers’ demand for the basic necessities of life.
③Socio-cultural environment factors: mobile phone are manufactured in Foxconn company, the users represents regional characteristic, nearly one third of the users reside in Beijing, but in Guangzhou, Shenzhen and other southern cities are few. People pursue more fashionable, simple and practical, cost-effective mobile phone.
④Technological environment factors: rapid development ofmobile phone industry as a whole, the liquid crystal capacitor and resistor screen manufacturing technology gradually mature, which lead to the mobile phone screen have the display and pixel visual experience excellent, the android system perfect operation bring about great support and convenience to the touch screen and the games’ development.

选项C：竞争者之间达成和实施价格垄断协议的动机在于摆脱竞争压力，获得垄断利润。