属于长钢轨焊接基本工艺流程的有（）
A.进场验收
B.轨端处理
C.正火
D.淬火
E.焊缝冷却
参考答案：B, C, E
—Could you give us an account about the big fire?
—OK. It was a Friday evening _______the fire broke out and ten persons were killed in it.
A．where
B．on which
C．that
D．when
白塞综合征的皮肤损害典型表现是（）
A.结节样红斑、毛囊炎、针刺反应阳性
B.结节样红斑、毛囊炎、针刺反应阴性
C.变应性皮肤血管炎、毛囊炎、针刺反应阳性
D.变应性皮肤血管炎、毛囊炎、针刺反应阴性
E.多形红斑、毛囊炎、针刺反应阳性
