在山区道路驾驶通过左弯道时，应该沿着弯道的内侧行驶。
参考答案：错
One of the requirements for a fire is that the material _________ to its burning temperature.
A．is heated
B．be heated
C．would be heated
D．shall be heated
钢板风管立咬口与包边立咬口风管的立筋高度应为多少？
