导致以青年妇女为多见的毒性休克综合征的病原菌是() ["军团菌","空肠弯曲菌","金黄色葡萄球菌","幽门螺杆菌","致病性大肠埃希菌"]
饭店员工招聘是个复杂的过程,在招聘实施中最后一个步骤是()。 ["发布招聘广告","应聘考核","进行体检","双方签订雇佣劳动合同"]
下列关于骨密质的结构,不正确的是()。 ["骨单位","外环骨板","红骨髓","内环骨板","间骨板"]
初步鉴定B群链球菌的试验是() ["马尿酸钠水解试验","CAMP试验","Optochin敏感试验","杆菌肽敏感试验","胆汁七叶苷水解试验"]
人体的热能来源于膳食中蛋白质、脂肪和碳水化合物,它们在体内的产热系数分别为() ["4kcal/g、9kcal/g、9kcal/g","4kcal/g、9kcal/g、4kcal/g","9kcal/g、4kcal/g、4kcal/g","4kcal/g、4kcal/g、4kcal/g","4kcal/g、4kcal/g、9kcal/g"]
为什么D-果糖是一种功能性单糖?