单项选择题
The damaged derrick（）now.
A.has repaired
B.is being repaired
C.is repaired
D.will be repaired
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相关考题
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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 -
单项选择题
The “grip” of a joint represents the（）.
A.thickness of the connected members
B.diameter of the head
C.entire length of the rivet
D.diameter of the shank
