【单选题】一个实际电源也可以用一个理想电流源I0和内阻R0( )的电路模型来表示。
【判断题】Human languages are natural languages. So , computers can understand human languages .
【简答题】Human languages are known as natural languages.
【判断题】熄灭酒精灯时,可将灯帽盖上以熄灭火焰,也可以用嘴将火吹灭。
【判断题】Human languages are qualitatively different from animal communication systems.()