If the landing gear is ____, the pilots are supposed to advise the cabin crew to perform emergency landing procedures and to brief passengers on evacuation procedures. A: retracted B: extended C: congested D: jammed

把车拖到安全的地方，在那里可以使用标准程序。 A: Pull the vehicle to a safe area where you can use the standard procedures. B: Pull the vehicle to a safe location where more conventional procedures can be applied.

与系统测试有关的程序。 A: The procedures are related to the system test. B: The procedures are associated to the system test. C: The procedures are corresponding to the system test. D: The procedures relate to the system test.

There are mainly five categories of tea regarding the processing procedures.

When we deal with check-in, signing the register is one of the important procedures.

He has forgotten what ______ are involved and the time taken ______ delivery. ( ) A: formalities, in B: procedures, for C: formalities, for D: procedures, in

What are the procedures of teaching grammar?

决策阶段需要考虑的问题有：Decision making procedures. （）

Each flight instructor has his/her own flight training procedures.

Cloisonné production involves very complicated techniques, with more than ______ working procedures.