（） is the circulation and refreshing o

1、A () is a collection of projects and o

A () is a collection of projects and other work that are grouped together to facilitate effect -ive management of thatwork to meet strategic business objectives.AA、programBB、portfolioCC、project of large sizeDD、PMO

2、The engine has broken and the boat is（

The engine has broken and the boat is（）on the water.AflowingBfloatingCdriftingDsailing

3、The duty officer and engineer should o

The duty officer and engineer should obey regulation for the speed of the M-E that established by （）AcaptainBchief engineerCchief engineer and captain consult togetherDchief engineer and superintend consult together

4、Shaker, circulation and spray are the

Shaker, circulation and spray are the three general methods used in（）Apre-injection fuel oil treatmentBlube oil filtrationClube oil purificationDpiston cooling

5、The wind is（）and decreasing.

The wind is（）and decreasing.Aanticlockwise rotatingBanticlock rotatingCclockwise rotatingDclock rotating

6、Swell is the rise and fall of the ocea

Swell is the rise and fall of the ocean’s surface due to（）.AfetchBdistant windsClocal stormsDthe pull of the moo