已知一个IS=2A,R0=2Ω的电流源,等效成一个电压源,则E=____,R0= ____。
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麸炒法辅料用量是每100kg中药用麦麸
A. 5-10kg
B. 6kg
C. 10-15kg
D. 15-25kg
枳壳麸炒可以
A. 缓和其峻烈之性
B. 偏于健胃消胀
C. 利于去除非药用部位
D. 杀酶保苷
E. 适宜于年老体弱而气滞者
What type of text is this passage?
A. Expository writing
B. Argumentative writing
C. Narrative writing
What point o f view has been adopted to develop the story?
A. Third-person narration.
B. First-person narration.