不合作的患儿做颈部肿块活检,可选用下列哪种麻醉方法()
A.甚础麻醉
B.局都浸润麻醉
C.在基础麻醉下加局部浸润麻醉
D.区域阻滞麻醉
E.颈丛阻滞麻醉
参考答案:C
焊工使用手砂轮时,首先检查砂轮片不能有裂纹,防护罩壳必须牢固,电线绝缘良好,戴好平光镜和手套操作。
The maximum number of passengers a T-Boat may carry().
A.is stated on the vessel's Certificate of Inspection
B.is the number authorized in the Navigation Rules
C.depends on the number of lifejackets you carry
D.is the number authorized by your license