A:玄武门之变
B:“安史之乱”
C:七国之乱
D:“八王之乱”
如图,理想变压器原线圈与一交流电源相连,原、副线圈分别接有相同的灯泡a、b和c.已知小灯泡的额定电压为0.3V,电阻为30Ω(假设电阻不随温度变化而变化).闭合开关S,三个灯泡均能正常发光,下列说法正确的是( )
下列对文学常识的表述有误的一项是( )
请以“请你告诉我”为标题写一篇600字以上的记叙文。要求:①言之有物,情感真挚;②认真书写,力求工整、美观;③文章不得出现真实的地名、校名、人名。
用所给词的适当形式填空。(1)What’s your____ (high)?(2)The boys often go____ (swim) in that river in summer.(3)Nobody ____ (like) his new look.(4)Many young people want to be____ (sing).(5)He wears____ (glass) every day. He thinks that’s very cool.
The sports meeting ______.