750.Simplified Technical English[STE] has a controlled general dictionary [part 2] that gives you the words most frequently used in technical writing( )

187.若要改变这个修理程序,则要得到设计主管部门的批准( )

186.Those units provide a means of preventing it from freezing ( )

185.SET THE SWITCH TO THREE CYCLES A MINUTE( )

184.The primary function of the hydraulic pressure system is to supply pressure flying controls for the operation of flying controls ( )

183.Did you see the movie Dangal last weekend?-No , I hardly go to the cinema these days I am busy with working overtime ( )

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 ( )