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iF tEAChErs wAnt to FinD out iF thEir stuDEnts wrotE thEir own pApErs, thEy ______.A．Ask othEr tEAChErs to rEAD thEir stuDEnts’ pApErs
B．Ask thEir stuDEnts to list thEir sourCEs oF inFormAtion
C．CAn sign up For thE intErnEt sErviCE
D．sEArCh thE intErnEt AnD CompArE pApErs