【简答题】静态工作点独立的是变压器耦合和____合。
【多选题】What are the reasons for international trade? A. resourse acquisition B. benefits acquisition C. diversification D. expand sales E. trade restriction
【简答题】Insulin is a naturally-occurring ________secreted by the pancreas.
【判断题】管理中对人的认识从早期的“机器人”,“经济人”,发展到“社会人”、“复杂人”、“自我实现人”,充分体现了“人是目的而不是手段”。
【单选题】Insulin is a natural hormone secreted by ______.