______可把照片、指纹编制于其中,可有效地解决证件的可机读和防伪问题,可广泛应用于护照、身份证、行车证、军人证、健康证、保险卡等。
参考答案:二维条形码
The meeting will be held in half an hour, but they haven't got everything ready____.[ ]
A. ever
B. already
C. yet
D. still
个人汽车贷款每笔最多展期( )次。
A.1B.2C.3D.5