侦查人员下列询问证人的方法哪个是正确的？()
A. 先让证人就自己知道的案件事实作详细地叙述，叙述完毕后再开始提问
B. 采用座谈会的方式把证人召集在一起进行询问
C. 询问前先向证人介绍案情
D. 可以对证人进行拘传
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
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