自腹主动脉分出的是（）。
A.子宫动脉
B. * * 动脉
C.阴部内动脉
D.卵巢动脉
E.肾动脉
参考答案：D
Whenever he was asked why he was late for class, he would answer carelessly, always _____ the same thing. [ ]
A. saying
B. said
C. to say
D. having said
如图所示，甲图中鸟A提示鸟B：“快飞，你会触电的！”鸟B说：“你怎么不怕？”乙图中电压表提示电流表：“你不能直接连在电源两极上，会把你烧坏的！”请分析两幅图中的对话是否合理，并说明理由．
