接待的原则。
参考答案：（1）热情周到原则（1分） （2）平等、一视同仁的原则（1分）（3）节俭、不奢侈原则（2分） （4）讲究礼貌原则（1分）
某厂因大锅炉不符合环保标准造成污染事故被环境保护部门作出以下处理： (1)责令限期治理；(2)给予警告；(3)赔偿受污染单位损失4000元；(4)强制拆除污染源大锅炉等。上述决定中属于行政处罚的是：
A．给予警告
B．赔偿受污染单位损失4000元
C．责令限期治理
D．强制拆除污染源大锅炉
Antonio Conti consumes 2 pounds of beef per week when beef is $4.50 per pound and 3 pounds of chicken when chicken sells for $ 3.50 per pound. If the price of chicken increases to $ 4.00 per pound, Conti’s consumption of beef increases to 2.5 pounds per week. Which of the following most accurately describes Conti’s cross elasticity of demand for beef versus chicken The cross elasticity of demand for:（）
A. beef relative to chicken is +1.67 and beef and chicken are complimentary goods.
B. beef relative to chicken is +1.67 and beef and chicken are substitutes.
C. chicken relative to beef is +1.75 and beef and chicken are substitutes.
