新民主主义社会主要的经济成分有()
A、资本主义经济
B、社会主义经济
C、合作社经济
D、个体经济
参考答案:A, B, D
Which of the following fluid and electrolyte imbalances would the nurse anticipate that the client would be particularly susceptible to in the emergent phase of burn care
A. Metabolic alkalosis.B. Hemodilution.C. Hypernatremia.D. Hyperkalemi
在脉冲电路中,应选择开关速度快的三极管。