【单选题】I n the short-run, following the opening of trade: a. inputs move across sectors, but input returns remain constant. b. factor payments in the import-competing sectors will decline. c. the supply of r...
【单选题】请先阅读下面的代码 public class Test { public Test(){ System.out.println("构造方法一被调用了"); } public Test(int x){ System.out.println("构造方法二被调用了"); } public Test(boolean b){ System.out.println("构造方法三被调用了"); } public...
【单选题】To conduct factor analysis for investigating the impact of sustainability in performance of hotels, what data issues are not needed to consider for understanding the differential impact?