汉代流行文字瓦当，瓦当上的文字以反映当时人们愿望的吉祥语为主。请至少说出三种汉代瓦当上流行的吉祥语。
参考答案：
长乐未央、千秋万岁、延年益寿、长生无极。
患者孕2月余，小腹胸胁胀痛，情志抑郁，嗳气吞酸，烦躁易怒，苔薄黄，脉弦滑。其证候是（）
A.虚寒证
B.脾虚证
C.气滞证
D.肾虚证
E.血瘀证
Every lifeboat which is fitted with a fixed two-way（）radiotelephone apparatus with an antenna which is separately mounted shall be provided with arrangements for sitting and securing the antenna effectively in its operating position.
A.HF
B.VHF
C.MF
D.MF/HF
