【单选题】The word 'ditto' most probably means ______ .
【单选题】Leodas states in the 6th paragraph that '... it was just like being a baby', indicating that she
A.
once again felt like a neophyte.
B.
was brashly confident about her work.
C.
thought her fame was undeserved.
D.
was helpless and in need.
【单选题】对单面焊的低合金钢焊接接头做弯曲试验时,其弯曲角度为()。
【多选题】焊条电弧焊焊接碳钢和低合金钢的接头形式主要分为对接接头、角接接头、( )和( )
【多选题】双面焊时,焊接接头弯曲角的合格标准为180°。
【多选题】课程中讲的安全,就是( )综合,是对威胁的认知与反应,以及对权利或安全的自信;含有稳固、确定、平安与无惧的意涵。
【单选题】JB4708-2000规定( )双面焊的焊接接头弯曲角合格标准为180°。
【单选题】《特种设备焊接操作人员考核细则》对接焊缝试件不带衬垫的低合金钢、合金钢弯曲角度是()(摩擦焊、堆焊时除外)。
【简答题】T形接头焊接裂纹试验方法适用于()。 A.碳素钢的T形接头角焊缝裂纹试验 B.合金钢的T形接头角焊缝裂纹试验 C.铸铁的T形接头角焊缝裂纹试验 D.不锈钢的T形接头角焊缝裂纹试验
【简答题】In the 19th century, parents could even beat a baby just to make them become________