provide
问题to provide power for small devices
toprovidepowerforsmalldevices
问题Operating systems provide （） between users and the computer.A.a linkB.an interfaceC.devic
Operatingsystemsprovide（）betweenusersandthecomputer.A.alinkB.aninterfaceC.devicesD.appli
问题Many computer languages provide a mechanism to call（）provided by libraries such as in .dl
Manycomputerlanguagesprovideamechanismtocall（）providedbylibrariessuchasin.dlls.A.instruc