交通信号包括交通信号灯、交通标志、交通标线和交通警察的指挥。
参考答案：对
Thanks for giving me ______ advice, but it’s difficult ______ me to carry it out.
A．such a good; for
B．so good; for
C．such good; for
D．so good a; for
若经药物治疗无效，患者自主呼吸停止，应立即给予
A．Ⅰ气管切开+机械通气
B．清理呼吸道
C．气管插管+机械通气
D．高浓度吸氧
E．体外心脏按压
______ me to carry it out.