【单选题】At first the institute refused to purchase the telescope, but this decision was _______revised.
【简答题】Who is in charge of the maintenance work?
【单选题】The maintenance work for sailors includes ()(清洁), repairing and painting work on board a ship. 正确答案A
【单选题】_________indicates the date when this chart was partly or completely revised and published
【单选题】建设工程项目策划旨在为项目建设的( )和实施增值。
【单选题】When will the maintenance work probably be finished?
【单选题】The maintenance work for sailors includes cleaning , repairing, and ()(涂漆) work on board a ship.