由王发布命令，召集诸侯到指定的地点来接受指示和安排的形式是（）。
A.会盟
B.巡狩
C.朝聘
D.国议
参考答案：A
The workmen made so much _____ that Mrs. Walker had to spend three days cleaning up afterwards.
A．trouble
B．damage
C．mess
D．difficulty
转向架主要由哪些部件构成？
