The area between()and()is now often referred to as the"Silicon Glen".
A. London/South Wales
B. the Oxford/the Cambridge
C. London/the Cambridge
D. Glasgow/Edinburgh
假定表Product有id和name两个字段,下列QL语句描述正确的是()
A. SELECTOBJECT(P)FROMProductpWHEREp.idISNOTEMPTY
B. SELECTOBJECT(*)FROMProductASpWHEREp.idISNOTEMPTY
C. SELECTp.NameFromProductASpWHEREp.idISNOTEMPTY
D. SELECTp.(*)FROMProductASpWHEREp.idISNOTEMPTY
工友操作打磨机处理云石料时,须戴上下列哪些个人防护装备?()
A. 护眼罩和防尘口罩
B. 防尘口罩
C. 护眼罩