【单选题】Nutritional screening is the process of identifying characteristics known to be associated with nutritional problems. The purpose of nutritional screening is to:
A.
categorize the degree of malnutrition present
B.
identify those patients at risk for having nutritional problems or poor nutritional status
C.
collect and evaluate all the biochemical data
D.
assess body composition and define the protein requirements of the patient
E.
calculate the patient’s caloric needs
【单选题】普速线路曲线地段,实设最大超高,在单线上不得大于( )。(1、0分)
【单选题】(48062)普速线路曲线地段,实设最大超高,在单线上不得大于()。
【判断题】玉米原产于中美洲,现在却盛产于美国东部、阿根廷和匈牙利等地区。()
【单选题】正弦稳态电路中,电容两端的电压()电流 90 度