题目内容

电流为5A,内阻为2Ω的电流源变换成一个电压源时，电压源的电动势和内阻为()。

A. 10V，2Ω
B. .5V，2Ω
C. 0.4V，2Ω
D. 4V，2Ω

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Part A
Suppose you are a member of a volunteer organization As Beijing 2008 Olympic Games is drawing near, please write a letter to all volunteers to ask them to watch sports matches in a civilized manner.
You should write approximately 100 words. Do not sign your own name at the end of the letter. Use "Wang Lin" instead. You do not need to write the address.

(名词解释)行政监督权

(名词解释)行政领导体制

(名词解释)行政决策权