Most people are not yet aware that water is a precious resource that must be_________. A.conservedB. enrichedC. preservedD. reserved
Most people are not yet aware that water is a precious resource that must be_________.
A.conserved
B. enriched
C. preserved
D. reserved
相关考题：
9． _______you _______ stay at home today?A． Do ; have toB． Must; have toC． Have; toD． Do ; must
WhichthreewebapplicationdeploymentdescriptorelementsallowwebcomponentstogainreferencestoresourcesorEJBcomponents?() A.ejb-refB.jdbc-refC.servlet-refD.resource-refE.javamail-refF.resource-env-ref
Youwanttocreateaconsumergroup，GROUP1，andyouexecutethefollowingcommandinthecommandlineinterface：SQLEXECDBMS_RESOURCE_MANAGER.CREATE_CONSUMER_GROUP（CONSUMER_GROUP=’group1’，COMMENT=’NewGroup’）Thiscommanderrorsoutdisplayingthefollowingmessage：ERRORatline1：ORA01031：insufficientprivilegesORA06512：atSYS.DBMS_RMIN，line115ORA06512：atSYS.DBMS_RESOURCE_MANAGER，line108ORA06512：atline1Whatactionwouldyoutaketoovercomethiserror？（）A.grantSYSDBAtotheuserB.grantSYSOPERtotheuserC.granttheRESOURCEroletotheuserD.usetheGRANTcommandtogranttheADMINISTER_RESOURCE_MANAGERprivilegetotheuserE.granttheADMINISTER_RESOURCE_MANAGERprivilegetotheuserbyusingthe DBMS_RESOURCE_MANAGER_PRIVSpackage
WhichoftheserepresentthemaincomponentsofDatabaseResourceManager?() A.ResourceconsumergroupsB.ResourceplansC.Resource-plangroupsD.Resource-plandirectivesE.Alloftheabove
---- Look! The man at the gate ________ be our headmaster. He is always standing there every morning.--- - No, it ________ be him. He is holding a meeting in the office now.A.must, can’t B.must, mustn’t C.can’t, can’t D.can’t, mustn’t
3．—__________ 1 go out for a while?—No，you __________ You must finish your homework first．A． Must，needn'tB． Can，mayC． May，mustn'tD． May，must
It ______ be quite cold in winter eventhough the city is in Hainan Province.A.shall B.shouldC.can D.must