当对发现的缺陷进行修改之后,执行一系列基准测试,以确认程序的修改没有对程序的其他部分产生干扰,这种测试通常称为______。
A. 验证测试
B. 回归测试
C. 系统测试
D. 确认测试
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The first two paragraphs tell us a true story of ______.
A. international cooperation via the Internet
B. how dangerous thallium can be to humans
C. how one can get help from the Internet
D. the girl’s recovery from thallium poisoning
设置严格的日期格式的命令是______。
A. set date ansi
B. set strictdate to 0
C. set century on
D. set century on
The Great Gatsby was written by ______.
A. Wallace Stevens
B. Thomas Stearns Eliot
C. Ernest Hemingway
D. F. Scott Fitzgerald
某男,45岁,右肋痛三个月,巩膜轻度黄染,食欲差,肝肋下1cm,质中等,未触及结节,肝扫描见肝有大小不等的斑块放射性缺损区,边缘不整齐,实验室检查:甲胎蛋白540μg/L,HBsAg(+),最可能的诊断是
A. 乙型肝炎
B. 阿米巴肝脓肿
C. 肝硬化
D. 原发性肝癌
E. 淤胆性肝炎