QuidwayS2403F以太网交换机的用户权限级别有()
A、normal
B、security
C、monitor
D、manager
参考答案:B, C, D
Have you ever picked some beautiful vegetables for your dinner salad ________ that they are extremely
bitter? [ ]
A. to find
B. finding
C. found
D. find
下列食物中能供给机体最主要热量来源的营养素是()。
A.脂肪
B.碳水化合物
C.蛋白质
D.维生素
E.无机盐