A．No Smoking.B．No Parking.C．Wet Paint.D．Keep off the Grass.

在巴西咖啡豆中，最高等级的咖啡豆应标记为（)A.NO.1B.NO.2C.NO.3D.NO.4

【C3】A．no doubtB．no wonderC．no longerD．no matter

－－－Is the car yours？ －－－_______.A、No, SmithsB、No, that of SmithsC、No, the SmithsD、No, th

－－－ You have lovely children. －－－ __________ .A.No, no, no. They are notB.Oh, no, noC.You

--- You have lovely children. --- __________ .A.No no no. They are notB.Oh no noC.You

下列删除VLAN的命令中 无法执行的是A．no vlan 1B．no vlan 2C．no vlan 500D．no vlan 1000