【单选题】目前, 不是 回弹法用的测强曲线 是 ( )
【简答题】The concept of ____________ ethics states that the rightness of an action is determined by evaluating the pros and cons of its consequences.
【单选题】I met Susan, my favorite singer, by chance at the airport.
【单选题】The policeman stopped the driver and found that he ______ alcohol.
【判断题】四四拍的强弱规律是:强-弱-次强-弱,四三拍的强弱规律是:强-弱-弱,四二拍的强弱规律是:强-弱。