A vessel may exhibit lights other than those prescribed by the Rules as long as the additional lights().
A. do not interfere with the keeping of a proper look-out
B. are not the color of either sidelight
C. have a lesser range than the prescribed lights
D. All of the above
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善于行脾胃气滞的药物是()善于疏肝胆气滞的药物是()善于治疗胸痹的药物是()
A. 陈皮
B. 青皮
C. 香附
D. 沉香
E. 薤白
综合带式制动器是带的两端与杠杆联接处距支点的力臂(),产生力矩的方向也相同。
天津第一所官办儒学叫()。
A. 卫学
B. 义学
C. 社学
用电能表直接测量时,其倍率与电能表的齿轮比成正比,与电能表的常数成反比。()
A. 正确
B. 错误