除公司章程规定或者股东会同意外，有限责任公司董事不得同本公司订立合同或者进行交易。 ( )
参考答案：对
Children should learn to _____, but they are too selfish (自私) and don't want to play their own toys with
others. [ ]
A. support
B. care
C. spare
D. share
心电图上Q-T间期延长易引起的心律失常是
A．窦性停搏
B．室性心动过速
C．室上性心动过速
D．左前分支阻滞
E．房室传导阻滞
