【判断题】空拉时,管坯内壁没有模具对其进行加工,会导致其壁厚增大。因此该工艺主要用于加工需要减径增壁的产品。
【简答题】西餐宴会中的酒水服务,一般应在 或 一侧设置吧台。
【简答题】关于直线的倾斜角与斜率,下列说法正确的是( ) A.所有的直线都有倾斜角和斜率 B.所有的直线都有倾斜角但不一定都有斜率 C.直线的倾斜角和斜率有时都不存在 D.所有的直线都有斜率,但不一定有倾斜角
【单选题】Working conditions for clothing workers in Bangladesh are very poor. If countries refuse to buy clothing from Bangladesh in order to encourage change, the effect is likely to be that _______________.
A.
firms will be forced to comply and workers will be better off.
B.
firms will refuse to comply, but workers will be better off.
C.
firms will try to comply and workers will be worse off.
D.
firms will try to comply and workers will be better off.
【判断题】《水调歌头·明月几时有》中《水调歌头》是这首词的词牌名。
【单选题】“但愿人长久,千里共婵娟”是著名词人苏轼《水调歌头》的名句, “水调歌头”是什么?