公路养护车辆进行作业时,在不影响过往车辆通行的前提下,其行驶路线和方向()
A、不受公路标志、标线限制
B、受公路标志、标线限制
参考答案:A
长期服用利血平的患者,椎管内麻醉中出现明显低血压时首选()
A.去氧肾上腺素
B.阿托品
C.间羟胺
D.分次小量用甲氧明
E.多巴酚丁胺
Under the CIF Term,the risk of loss of or damage to the goods is transferred from the seller to the buyer when the goods pass the ship's mail in the( ).
A.port of discharge
B.port of delivery
C.port of destination
D.port of shipment