滤布分类可明确描述滤布的性能。
参考答案:对
军用牌照的货车应查验下列哪些证件(),证件齐全、相符,免费放行。
A、行驶证
B、驾驶证
C、军人证件
D、派车单
Sally, a shy girl, never speaks in public _______ she is asked to, never!
A.until
B.unless
C.even though
D.as though