σ0.2表示规定残余伸长率的0.2%的应力，作为无明显屈服点的硬钢的条件屈服点。 ( )
参考答案：对
Many people have been ill from a strange disease these days, we’ve never heard of before.
A．one
B．that
C．it
D．this
票据出票日期使用小写，银行予以受理，但由此造成的损失由出票人自行承担。( )
