---Slow ahead! ---Slow ahead! _______________!
A.Engine ahead slow!
B.Engine slow ahead!
C.Ahead engine slow!
D.Yes, sir
We usually shrug ___________ the words we are really glad to hear.A. ofB. aroundC. offD. ahead
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---How many revolutions? ---________________.A.Slow aheadB.EightyC.Thirty minutesD.Slow
_____ to the lighthouse!A.HeadingB.HeadC.ForwardD.Ahead
A general purpose MySQL instance is configured with the following options:—log-slow-queries—long-query-time=,0001—log-slow-admin-queries—general-log—log-bin—binlog-format=STATEMENT—innodb-flush-log-at-trx-commit=1Which three statements are true（）。A.The General Query Log records more data than the Binary LogB.The binary Log records more data than the General Query LogC.The Slow Query Log records more data than the General Query LogD.The General Query Log records more data than the Slow Query LogE.The Slow Query Log records more data than the Binary LogF.The Binary Log records more data than the Slow Query Log
The upper piston rings m large, slow-speed, two-stroke/cycle diesel engines are most effectively lubricated by oil ____.A.fed from mechanical lubricatorsB.thrown off from the main bearingsC.supplied from wick fed drip lubricatorsD.flow from a centrifugal or banjo oiler
（72）A.forwardB.reverseC.backwardD.ahead
A head-on situation at night is one in which you see dead ahead a vessel showing ______.A.one sidelightB.one sidelight and a masthead lightC.one sidelight and two masthead lightsD.both sidelights of a vessel and her masthead light(s)
