2012年中考数学试题一、选择题:1.若x 5=,则x 的值是【 】A .5B .-5C .5±D .51 2.下列运算正确的是【 】A .5510a a a +=B .339a a a ⋅=C .()3393a 9a = D .1239a a a ÷=3.函数y x 2=-中自变量x 的取值范围是【 &nb
2012年中考数学试题一、选择题:1.若x 5=,则x 的值是【 】A .5B .-5C .5±D .51 2.下列运算正确的是【 】A .5510a a a +=B .339a a a ⋅=C .()3393a 9a = D .1239a a a ÷=3.函数y x 2=-中自变量x 的取值范围是【 &nb
跟单实训案例一审核采购单一、根据上述采购单,判断下列翻译是否正确: (1)Please send us as soon as possible all the certificates of CE & ROHS, all certificates must be dated less than 2 years.翻译:请尽快寄送给我们近二年(时间为近二年)的CE和ROHS证书。正确 (2)T
跟单实训案例一审核采购单一、根据上述采购单,判断下列翻译是否正确: (1)Please send us as soon as possible all the certificates of CE & ROHS, all certificates must be dated less than 2 years.翻译:请尽快寄送给我们近二年(时间为近二年)的CE和ROHS证书。正确 (2)T