（）has 3 specific points: fixed port, f

1、A petroleum liquid has a flash point o

A petroleum liquid has a flash point of 85°F. This is a grade （）.AB flammable liquidBC flammable liquidCD combustible liquidDE combustible liquid

2、The Captain of the Port has closed to

The Captain of the Port has closed to navigation，and buoyed，a section of a harbor. These buoys would be painted（）.Ared or green to conform with the other lateral aidsBred and green horizontally-stripedCsolid yellowDwhite with orange mark

3、Where a period is fixed during which f

Where a period is fixed during which freight is to be paid，the Shipowner must（）to deliver the goods throughout the whole of that period if he wishes to claim payment.Abe hadBbe madeCbe preparedDbe delivered

4、Once vessel has been cleared by Port H

Once vessel has been cleared by Port Health or Immigration （）must proceed to appropriate berth or anchorage．AItBsheCheDthe vessel

5、Which port role has&

Which port role has interface Fa0/2 of switch 1 adopted for VLAN 47？（）ARoot portBNond...

6、Out of which port on Sw-Ac3 would a f

Out of which port on Sw-Ac3 would a frame containing an IP packet with a destination address that is not on a local LAN be forwarded?（）AFa0/1BFa0/3CFa0/4DFa0/8EFa0/9FFa0/12