755.Another type of speed-regulating unit is the variable restrictor It contains an adjustable needle valve, which has threads around the top and a point on the lower end( )

182.This system does not supersede the normal channels of communication for items not covered by the CAP( )

181.Use an applicable word [for example,“warning”or“caution”]to identify the level of risk A warning tells the reader that there is a risk of injury or death A caution tells the reader that there is a risk of damage to objects ( )

180.Operational test should require no special equipment or facilities other than the installed on the aircraft and should be comparable to the test performed by the flight crews( )

179.如果仪器无法正常运行,请进行测试( )

178.On going investments in airport infrastructure----runways , terminals and technology----will ensure that maximum benefits will be gained from transforming the air traffic system and renovating aircraft fleets ( )

177.The page number shall be in the lower left corner and the date of issue in the lower right corner, for left-hand pages ( )

176.如果说明中有关于危险压力的警告,不要打开容器。 ( )

175.The second or more publications replace the previous original edition( )

174.Inspection is accomplished with the ground without the use of stand and ladder( )

173.A filter prevents contamination of the components in the system( )