在有序列表(3,6,8,10,12,15,16,18,21,25,30)中,用二分法查找关键码值12,所需的关键码比较次数为( )。
A.2
B.3
C.4
D.5
参考答案:C
患者男性,50岁。胆汁性腹膜炎。神志不清、烦躁不安、面色苍白、皮肤湿冷、血压85/65mmHg、脉率135次/分。
其治疗原则是()。
A.补充血容量
B.大量用升压药
C.应用抗生素
D.纠正酸中毒
E.除对症治疗外,应尽早清除感染源灶
"You realize that you were driving at 100mph, don't you No, officer, I may not have been. This car can't do more than 80. "
A.will not
B.cannot
C.might not
D.could not