508.Go-around arms when the airplane is in the air and, one of these conditions is true: Glideslope mode is active The trailing edge flaps are not up ( )

429.The writing rules cover aspects of grammar and style The dictionary gives the general words that a writer can use( )

428.YOU [ ] USE EAR PROTECTION WHEN YOU ARE NEAR AN ENGINE THAT IS IN OPERATION ( )

427.Make sure that the arrow points in the direction of the fuel flow( )

426.底漆层厚度必须介于 05 毫米到 06 毫米之间。( )

425.Use an oil can to lubrication the turnbuckle ( )

424.Vertical pages rather than horizontal are preferred for all types of publication ( )

423.Replace nuts and washers if removed during inspectionDo not reuse ( )

422.将旁通活门和排放活门同时拆解。 ( )

421.The slow moving , high pressure air from the compressor is fed into the combustor or burner where it is mixed with a highly flammable fuel and ignited( )

420.Every time he comes up with a new idea, he writes it down in his notebook ( )