冷冻机油有四种牌号,即N15、N22、N32及N68。( )
参考答案:错
气管切开术后出血最严重的血管是()A.甲状腺下动脉B.甲状腺最下静脉C.无名动脉(头臂动脉)D.颈前静脉E.无名静脉
气管切开术后出血最严重的血管是
A.甲状腺下动脉
B.甲状腺最下静脉
C.无名动脉(头臂动脉)
D.颈前静脉
E.无名静脉
In a certain country, the retail price includes a value added tax of
percent of the sum of the wholesale cost and the markup of an item. If the value added tax on a certain jacket is 6 shillings, what is the wholesale cost of a jacket in shillings (1) The markup represents 50 percent of the wholesale cost. (2)The markup of the jacket is 16 shillings.