“过” and “了” can be used to indicate ______.

[单选题]（）can be used for carrying goods to the pointed place automatically.A . Automatic beltB . Automatic conveyorC . Automatic Guided VehicleD . Robot

[多选题]The air waybill can be used for （ ）.A.customs declarationB.the proof of the

[多选题]The air waybill can be used for （ ）.A.customs declarationB.the proof of the

[单选题]Language can be used to refer to contexts removed from the immediate situations of the speaker. This feature is called （）A . displacementB . dualityC . flexibilityD . cultural transmissio

[单选题]A． stack protocol can be used for(69).A．job scheduler in Operation SystemB．operation of arithmetic expressionsC．removing the latest element insertedD．removing the earliest element inserted

[单选题]A．s mentioned，“grey water”can be used to______.A．wash the carB．water the gardenC．clean the toiletD．dispose of wastes

[单选题]Bridge gauge can be used to measure （） of a diesel engine.A . diameters of journalsB . deflections of crankwebsC . diameters of crankpinsD . none of the above

[单选题]( )statement can perform a calculation and store the result in a variable S

[单选题]N-S diagram can used to substitute conventional program flow Chart．In the following phrases，Which does not belong to the basic control structures that contain?A．sequence structureB．condition StructureC．selection structureD．execution structure

[单选题]The（ ）term can only be used for sea and inlandwaterway transport.A.CPTB.CFR

[单选题]The（ ）term can only be used for sea and inlandwaterway transport.A.CPTB.CFR