Cost of pipeline is very different of underground conditions. Is it right? ()
- ANot
- BYes
- CThey can’t compare
- DNot discussion in the paragraph
Cost of pipeline is very different of underground conditions. Is it right? ()
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1、VHF Radio is one of the very important
VHF Radio is one of the very important navigational instruments on board,()messages can be sent.Aby whichBthrough whichCby thatDthrough that
2、()of his wealth, John is not very happ
()of his wealth, John is not very happy.ABesideBBecause ofCIn spite ofDBeside
3、Computer systems consist of two very d
Computer systems consist of two very different types of elements:Hardware,which includes all the physical things that can be touched and(),which tells thehardware how to do.ASoftwareBCoursewareCOperatingsystemDI/Odevice
4、()of my ship’s propeller is very stron
()of my ship’s propeller is very strong.AThe running reflectionBThe turning effectCThe moving speedDThe changing sensibility
5、This machine ()out of order very often
This machine ()out of order very often, but now it works well.Ais used to beBwas used to beCused to beDwas used to
6、One of the main differences between th
One of the main differences between the various types of screw pumps is in the ().Astuffing box diameterBdirection of rotation of the screwsCpitch of the screwsDtype of driving gear