【单选题】Body Mass Index (BMI) relates a person’s weight to his or her height. Clinical researchers use the following guide lines regarding a person’s BMI and possible health risks. 19–24 Minimal Low 25–26 Low...
【单选题】"These can be plotted on two axes - one running left to right, which measures low to high arousal, and the other from top to bottom, which measures how positive or negative the feeling is." According ...