While sailing in ballast under normal weather and sea condition, the basic parameter which is used to restrict the fuel injection of main engine is

A．the exhaust temperature

B．the speed of main engine

C．the turbine rotation speed

D．the power of main engine

[单选题]Under normal conditions a liferaft is released from itscradle by（）.A . cutting the restraining strapB . unscrewing the turnbuckle on the back of the cradleC . lifting one end of the raftD . pushing the plunger on the center of the hydrostatic release

[单选题]第二组Under normal operation, some lubrication oil mist may be discharged from the air compressor to the air start system. This oil may be from excess compressor cylinder lubrication, from faulty oil scraper rings, or may even be suspended oil vapor con

[主观题]We_______ (not have) any balls under the desk．

[单选题]Wehavebeentoldthatundernocircumstances_______thetelephoneintheofficeforpersonalaffairs.A)mayweuseB)wemayuseC)wecoulduseD)didweuse

[单选题][While] we don'tagree,we continue to be friends.A.WhoeverB.WhereC.AlthoughD

[单选题][While] we don'tagree,we continue to be friends.A.WhoeverB. WhereC. Althoug

[单选题][While] we don'tagree,we continue to be friends.A.BecauseB..WhereC. Althoug

[单选题][While] we don'tagree,we continue to be friends.A.BecauseB.WhereC.AlthoughD

[单选题]We found [shelter]from the rain under the trees.A.defenseB.standingC.protec

[单选题]We cannot comment on whether _____ international standards should be develo