颞下颌关节紊乱病分____________、_________、____________和骨关节病。
参考答案：咀嚼肌紊乱疾病；结构紊乱疾病；炎性疾病
土地利用现状调查分为（）和详查两类。
North Shore Excursions faces a downward sloping demand curve, hasthree identifiable customer groups with the same elasticity of demand, and can prevent resale of the product. Can North Shore profit from pricediscrimination and in general, does a firm that engages in pricediscrimination achieve more gains from customers with elastic or with inelastic demand Can North Shore profit Higher gain from customers with:（）①A. Yes Elastic demand ②B. Yes Inelastic demand ③C. No Inelastic demand
A. ①
B. ②
C. ③
