若8x3+27=0,则x=______.
∵8x3+27=0,
∴x3=-278,
∴x=-1.5.
故答案为-1.5.
患者,男,30岁,患者因上消化道大出血入院,经治疗病情稳定。出血停止,为明确出血原因首选的检查是
A.选择性腹腔动脉造影
B.B超检查
C.纤维胃镜检查
D.肝功能化验
E.钡餐检查
One attribute of the stack is (72) .
A.FIFO( First In First Out)
B.LIFO( Last In First Out)
C.queue
D.built into their circuitry