失业保险只在法定期间内享受，我国规定享受失业保险待遇最长不得超过（）。
A.6个月
B.12个月
C.24个月
D.30个月
参考答案：C
Is there _____ today's newspaper? [ ]
A. something new in
B. anything new in
C. new something at
D. new anything at
奥氏体不锈钢与珠光体耐热钢的焊接接头中会产生很大的热应力，这种热应力可以通过焊后高温回火加以消除。( )
