【单选题】变速器修理竣工验收时,应进行( )试验。 正确答案:D
【单选题】The plane was about to take _____, and yet I left my ticket behind.
【单选题】23 变速器修理验收竣工时,应进行()试验
【单选题】The air hostess (空中小姐) _____ the passengers to fasten their seat belts when the plane was about to land.
【单选题】What did the pilot say to the passengers when the plane was about to make a forced landing?
C.
Keep calm and we are about to land.