The Rules state that certain factors are to be taken into account when determining safe speed. Those factors include（）.
A. state of wind，sea，and current，and the proximity of navigational hazards
B. maximum attainable speed of your vessel
C. temperature
D. aids to navigation that are available
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道路纵断面图的作用是表达路线中心纵向线形以及地面起伏、地质和沿线设置构造物的概况。
A. 正确
B. 错误
To add refrigerant to the high side of an air conditioning system, you should introduce the refrigerant through the （）.
A. discharge service valve as a vapor
B. suction service valve as a liquid
C. charging valve as a liquid
D. condenser purge valve as a vapor
男性，48岁。肝硬化病史5年，半年来腹胀加重，伴有双下肢水肿。下面治疗措施不当的是（）
A. 卧床休息
B. 低蛋白饮食
C. 低盐限水
D. 定期补充白蛋白
E. 快速、大量利尿以加快腹水消退
谈判中绝对的不折不扣的平等互利是不存在的，只能是经过艰苦的谈判创造一种相对的平等。
A. 正确
B. 错误
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