根据学习的定义，下列属于学习的现象是( )
A．吃了酸的食物流唾液B．望梅止渴C．蜘蛛织网D．儿童模仿电影中人物的行为
参考答案：D
— Rose, we will start at six tomorrow morning. Don't be late, _______ ?
— _______ . I'll be there on time.
A. won't you; Yes, I will B. will you; Yes, I will C. will you; No, I won't
严重的骨盆骨折失血量最多可达()
A．500ml左右
B．1000ml左右
C．2000ml左右
D．3000ml左右
E．4000ml以上
