在“香附之气平而寒…生则上行胸膈，外达皮肤；熟则下走肝肾，外彻腰足”中“彻”之义为（）
A.撤
B.通
C.除
D.退
参考答案：B
— Why didn’t you go to the party last night?
— Because my parents were busy and I had to my little brother at home.
A. look after B. look at C. look around
已知航线角75°，距离135NM，真空速80kt，航行风175°/20kt，燃油流量105LB/hr，确定航线飞行时间和燃油消耗量分别为（）.
A.1：28、73.2Lb
B.1：38、15.8Lb
C.1：49、190Lb
