What form of ice is of land origin（）.

1、Which of the following is not a form o

Which of the following is not a form of precipitation?（）ArainBfrostCsleetDsnow

2、（）is not a standard form of charter-pa

（）is not a standard form of charter-party.AGenconBRusswoodCNypeDMERSAR

3、Daylight savings time is a form of zon

Daylight savings time is a form of zone time that adopts the time（）.Aone zone to the eastBone zone to the westCtwo zones to the eastDtwo zones to the west

4、What is the name of the VTP mode of op

What is the name of the VTP mode of operation that enables a switch to forward only VTP advertisements while still permitting the editing of local VLAN information?（）A serverB clientC tunnelD transparent

5、What is the direction of rotation of t

What is the direction of rotation of tropical cyclones,tropical storms and hurricanes in the Northern Hemisphere?（）AClockwise and outwardBCounterclockwise and inwardCCounterclockwise and outwardDClockwise and inward

6、What is the period of validity of the

What is the period of validity of the SOLAS required Cargo Ship Safety Construction Certificate? （）A12 monthsB24 monthsC48 monthsD60 month