如图所示,小灯泡L上标有“6V 3W”字样,闭合开关,小灯泡正常发光,电流表示数为2A.求:
the great teacher Zhang Lili was in hospital, many people hoped she would get better soon.
从菌落的____、____和____可以大致区分细菌和真菌,以及它们的不同种类。
下列句子没有语病的一项是( )