You are approaching another vessel and will pass starboard to starboard without danger if
A. hold course and sound a two blast whistle signal
B. hold course and sound no whistle signal
C. change course to the right and sound one blast
D. hold course and sound two prolonged and two short blasts
PelgeB-Huet畸形的特点是
A. 细胞核呈圆形或橢圆形
B. 染色质聚集成小块或条索网状
C. 细胞核常分5～9叶
D. 细胞质内含有数个包涵体
E. 通常为常染色体隐性遗传性异常
Higher than normal jacket water temperatures occurring in all cylinders of a diesel engine
A. oil suction line restriction
B. correct amount of coolant
C. cavitation erosion in the water jackets
D. clogged sea suction strainer
辐射工作单位因故遗失许可证的，应当及时到所在地()报刊上刊登遗失公告，并于公告()日后的一个月内持公告到原发证机关申请补发。
A. 省级15
B. 省级30
C. 国家级15
D. 国家级30
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