汽车和轮胎起重机试验可分为()的型式试验;()的出厂试验;产品质量的考核检验;在用设备的检验;安全监督检验。
参考答案:新产品,产品出厂前
"There _______ some orange in the bottle, but there _______ any bananas in the basket. [ ]
A. was, weren't
B. wasn't, were
C. weren't, were
D. were, weren't
结构化分析(SA)是软件开发需求分析阶段所使用的方法,以下选项中( )不是 SA所使用的工具。
A.DFD图
B.PAD图
C.结构化应用
D.判定表