单一圈闭中,油、气、水按照比重(),上层是()中间是(),下部是().
参考答案:大小;气;油;水.
假如地球对其它物体失去引力,下列设想不正确的是( )
A.物体将没有质量
B.人跳起后,将不再落回地面
C.各种球类活动将无法进行
D.即使杯口向下,杯中水也不会自动流出
The nurse is caring for a bulimic client and an anorectic client. What cognitive characteristics would be similar for both of these clients()
A. Perfectionism, preoccupation with food.
B. Relaxed personality, but preoccupied with food.
C. No similarities.
D. Preoccupation with exercise.