某砖混结构住宅一楼墙体砌筑时,监理发现由于施工放线的失误,导致山墙上窗户的位置偏离30cm,这时应该()。
A.加固处理
B.修补处理
C.返工处理
D.限制使用
参考答案:C
生活资料需求的波动幅度比生产资料需求的波动幅度要( )
A.大B.小C.一样D.无法确定
Which signal is recognized as a distress signal?().
A.Directing the beam of a searchlight at another vessel
B.A smoke signal giving off orange colored smoke
C.A whistle signal of one prolonged and three short blasts
D.International Code Signal PAN spoken over the radiotelephone