钢筋闪光对焊接头外观检查结果中,接头处的轴线偏移不得大于钢筋直径的0.1倍,且不得()
A.大于2mm
B.小于2mm
C.大于4mm
D.小于4mm
参考答案:A
少气懒言、神疲乏力、活动后加剧,多为
A.气滞证B.气虚证C.气脱证D.气陷证E.气逆证
—Are there _____ apples on the table?
—No, there aren’t _____.[ ]
A. some, some
B. any, any
C. some, any
D. any, some