道路运输经营者应在其《道路运输经营许可证》有效期届满之日前()个工作日,持原证件(正、副本)到原发证机关换发新证。
A.5
B.7
C.10
D.15
参考答案:C
根据标准,阀控电池的C3=()C10
A、1.0
B、0.75
C、3
The wing of the plane in mid-air and the plane crashed.
A.broke in
B.broke back
C.broke out
D.broke away