锚杆的安装顺序：应从顶部向两侧进行，两帮锚杆先安装（）、后安装（）。
参考答案：上部；下部
Franklin didn’t______ the inspiring speech by the famous leader, but he______ it.
A．know of; know
B．know; knew of
C．know; knew to
D．know of; knew with
治疗肝气郁结，胸闷，胁肋胀痛，月经不调者，宜选用
A．紫苏B．蔓荆子C．蝉蜕D．薄荷E．荆芥
