A.repairingB.to repairC.repairsD.have repairedThe Loran……

单项选择题The equipment is very old．It’s not worth（）.

A.repairing
B.to repair
C.repair
D.to be repaired

单项选择题The deck control valve to be（）after being repaired.

A.moved and fitted again
B.removed and refitted
C.reproduced and put on again
D.returned and attached again

单项选择题The damaged derrick（）now.

A.has repaired
B.is being repaired
C.is repaired
D.will be repaired

单项选择题The damaged cargo is not allowed to export without（）.

A.repairing or replacing
B.to repair or to replace
C.being repaired or replaced
D.to be repaired or replaced

单项选择题The Certificate of Inspection of a damaged tank barge has expired. What certificate authorizes the barge to move to a repair facility for repair and inspection?（）

A.Application for Inspection
B.Change of Employment
C.Permit to Proceed
D.Temporary Certificate of Inspection