Mariners are warned that fog signals s

1、A vessel sounding a fog signal of one

A vessel sounding a fog signal of one short，one prolonged，and one short blast is indicating that the vessel is（）.AfishingBin distressCat anchorDnot under command

2、A fog signal consisting of one prolong

A fog signal consisting of one prolonged blast followed by four short blasts would indicate thepresence of a（）.Avessel being towedBfishing vess...

3、We are pleased to say that weare（）to s

We are pleased to say that weare（）to supply you（）the goods you want.Aof aposition，──Bat aposition，──Cin aposition，withDat aposition，with

4、Studies show that people are more to s

Studies show that people are more to suffer from back problems if they always sit before computer screens for long hours. ( )A likelyB possibleC probableD sure

5、that’s important is that you are doing

that’s important is that you are doing your best and moving in the right directionAOneBAllCEverythingDAnything

6、Uncharted lights，fog signals and radar

Uncharted lights，fog signals and radar beacon transmissions may be（）near the station.AencounteredBmetCcontactedDsee