【简答题】Paraphrase: The new ruling class had built a cultural barrier against him by building their French against his own language. ... English had come royally into its own.
【单选题】在RLC 串联正弦交流电路中,当端电压与电流同相时,频率与参数的关系满足 ( )
【单选题】如图,在Rt△ABC中,∠BAC=90°.如果将该三角形绕点A按顺时针方向旋转到△AB 1 C 1 的位置,点B 1 恰好落在边BC的中点处.那么旋转的角度等于( )
【简答题】The new ruling class had built a cultural barrier against him by building their French against his own language.
【单选题】如图,在 △ ABC 中, AB = AC , ∠ A = 90° ,点 P 在边 AB 上 ( 不与顶点 A 重合 ) ,则 ∠ APC 的值可能是
【简答题】What does the following sentence mean? The new ruling class had built a cultural barrier against him by building their French against his own language. (Para. 11)
【简答题】在RLC串联交流电路中,总电压与各分电压之间的大小关系是U=_________,电路中的总阻抗Z=___________,视在功率、有功功率、无功功率之间的关系为S=_____________。
【简答题】如图,在△ABC中,∠A=80°,∠B=60°,则∠1= .
【简答题】如图1,在△ABC中,∠A=80°,∠B=40°,∠ACD是△ABC的一个外角,则∠ACD=( ).试猜想∠ACD与∠A,∠B的关系是( ).
【单选题】如图1,在△ ABC 中, CD 是∠ ACB 的平分线,∠ A =80°,∠ ACB =60°,则∠ BDC 等于