根据有关规定,载重量DWT≤2万吨的船舶,所需的港作拖船总功率为:().
A.0.075DWT
B.0.060DWT
C.0.050DWT
D.0.040DWT
参考答案:A
What I'd like to know is how you get _____ our flight. [ ]
A. on the board
B. aboard
C. abroad
D. board
一肝癌患者行肝动脉栓塞术后二天,左上腹疼痛,超声检查显示脾脏肿大,中下部见楔形低回声区,尖端指向脾门,其内彩色多普勒超声未记录到血流信号。最可能诊断是()
A.转移癌
B.脾结核
C.炎性病灶
D.脾梗死
E.恶性淋巴瘤