皮皮学，免费搜题
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【单选题】
当两个子查询的结果 时,可以执行并,交,差操作.A.
结构完全不一致
B.
结构完全一致
C.
结构部分一致
D.
主键一致
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皮皮学刷刷变学霸
举一反三
【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
【简答题】营养类型(nutritional types)