如图所示的电路中,有几根导线尚未连接,请用笔画线代替导线补上。要求:①两灯泡并联;②电流表测灯L1的电流;③闭合开关后,向A端移动滑动变阻器的滑片P,两灯均变暗。 答案:解:如答图所示。10、 (2010年杭州市第二次教学检测)Though
many extra planes and trains are used to carry passengers,traffic tools are still________needed during the “May Day” holidays.
A.eagerly
B.badly
C.equally
D.slightly