应用叠加定理时,理想电流源不作用时视为( )。
A. 短路
B. 开路
C. 电阻
D. 理想电流源
若两个独立源分别作用在同一个电阻上,所产生的电流分别为8A和-2A,则流过该电阻的电流为( )。
A. 6A
B. -6A
C. 16A
D. -16A
Directions:You are going to read a passage with 10 statements attached to it. Each statement contains information given in one of the paragraphs. Identify the paragraph from which the information is derived. You may choose a paragraph more than once. Each paragraph is marked with a letter.What to do after graduation
高血压患者营养治疗原则中,不包括( )。
A. 限制钠盐的摄入量
B. 严禁食用水果
C. 适量摄入蛋白质
D. 控制能量摄入