在勘探阶段，为了研究某地区的全部地层情况、沉积特点、构造形态等所钻的井称为（）。
A. 资料井
B. 探井
C. 观察井
D. 生产井
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发动机活塞承受气缸内燃气压力并将此力传递给连杆和（）。
In order for a stand-on vessel to take action in a situation，she must determine that the other vessel（）.
A. Is restricted in her ability to maneuver
B. Has sounded the danger signal
C. Is not taking appropriate action
D. Has not changed course since risk of collision was determined
双侧瞳孔时大时小变化不定，对光反射消失，伴眼球运动障碍是下列哪种损伤常见表现（）
A. 小脑
B. 中脑
C. 大脑
D. 脑干
E. 丘脑
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