发声时振幅最大处是
A.声带的前2/3部
B.声带的中点处
C.声带膜部的中点处
D.声带膜部的前中1/3交界处
E.声带膜部和软骨部交界处
参考答案:C
时间快,适于时间紧、货物少、特殊货物,比如生鲜产品等,是()运输方式。
A、水运
B、陆运
C、散运
D、空运
When evacuating a seaman by helicopter lift,which statement is TRUE?()
A.Evacuation should be from an area forward of the bridge
B.The vessel should be slowed to bare steerageway
C.If the hoist is at the stern,booms extending aft at the stern should be cradled with the topping lifts hove taut
D.The litter should not be touched until it has been grounded