美国《国家工业复兴法》规定:“各工业企业制定本行业的公平经营规章,确定各企业的生产规模、价格水平、市场分配、工资标准和工作日时数等。”这一措施起到的作用是( )
若am=2,an=5,则am+n等于____.
How is the weather? It's ____ (cloud/cloudy)
More and more people prefer ______ in the wild _____in the hotel. Because they want to experience life.