随着国家职业资格证书制度的向前推进,国家职业技能鉴定形成了先进的命题理论,确立了()的命题原则。
A.科学
B.客观
C.适用
D.规范
参考答案:A, B, C, D
For a moment nothing happened then _____ all shouting together. [ ]
A. voices had come
B. came voices
C. voices would come
D. did voices come
549是甲、乙、丙、丁4个数的和。如果甲数加上2,乙数减少2,丙数乘以2,丁数除以2以后,则4个数相等。求4个数各是多少( )
A.118,122,59,242
B.120,122,60,240
C.120,124,58,244
D.120,124,61,244