航空货运单是托运人和承运人之间订立的运输合同的证明,同时也是货物运输的凭证。
参考答案:对
The company turned a deaf ear to the workers’ _____ about their pay and working conditions.
A.complaints
B.application
C.supplies
D.consequences
骨骼肌收缩活动的基本单位是()
A、肌纤维
B、肌原纤维
C、肌丝
D、肌小节