网友您好, 请在下方输入框内输入要搜索的题目:

题目内容 (请给出正确答案)

Since the road is wet,() last night.

  • A、it   must   have  rained
  • B、it   must   rain
  • C、it   must   be    raining
  • D、it   must   have   been  raining

参考答案

更多 “Since the road is wet,() last night.A、it must have rainedB、itmust rainC、it must be rainingD、it must have been raining” 相关考题
考题 He said she must have been out of town for weeks; otherwise he ____________ her in office. (A) would see(B) should see(C) must have seen(D) would have seen

考题 You () her in her office last Friday; she's been out of town for two weeks. A、needn’t have seenB、must have seenC、can't have seenD、might have seen

考题 The Browns _______ the trains; if not, they would have been at the get-together as scheduled.A、must missB、must have missedC、should missD、should have missed

考题 You look very tire You must ( ) to bed very late last night. A、have goneB、have been goneC、be goneD、be going

考题 Look at the muddy road here.It()( ) last night. A、could have rainedB、must have rainedC、would have rainedD、should have rained

考题 Someone could have been killed.The traffic lights _______ repaired a lot sooner. A.must beB.must haveC.should beD.should have been

考题 The goods ()shipped already if your L/C had arrived by the end of December last.A、would beB、must have beenC、had beenD、would have been

考题 What you saw can' t have been an aeroplane. I' m convincedit____ a large bird. A.must beB.has been builtC.must have beenD.could have been

考题 It ______ last night, for the ground is wet.A、must rainB、must be going to rainC、must have rainedD、ought to rain

考题 --- Was that the headmaster who walked by? --- _______.A、It must be thatB、It must be himC、It must be itD、It must have been

考题 Had Paul received six more votes in the last election, he ________ our chairman now.[A] must have been[B] would have been[C] were[D] would be

考题 John’s score on the test is the highest in the class; he _____ last night.A.must study B.should have studieD C.must have studieD D.is sure to study

考题 "The lecturer was a tall thin man with white hair.""Then it( )Dr.Firld because he is short and fat.It Dr.Jones;he is thin."A.can’t be...must be B.couldn’t have been...might have been C.must be...can't be D.can't have been...must have been

考题 Since the road is wet this morning,__last night.A.it must rain B.it must be raining C.it must have rained D.it must have been rain

考题 —I‘ve been told to pay the rent. —But it‘s already been paiD.It______by someone else.A.must be B.may be C.must be paid D.must have been paid

考题 ( )Since the road is wet this morning,last night_______.A.it must be raining B.it must rain C.it must have rained D.it must have been rained

考题 —I‘ve be en told to pay the rent. —But it‘s already been paid.It______by someone else.A.must be B.may be C.must be paid D.must have been paid

考题 Since the road is wet,() last night.Ait must have rainedBitmust rainCit must be rainingDit must have been raining

考题 While designing your database, you have created the EMPLOYEES table as an index/x7forganized table (IOT). You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()A、A primary key must have been created.B、A mapping table must have been created.C、An overflow tablespace must have been specified.D、The PCTTHRESHOLD option must have been specified.

考题 While designing your database, you have created the EMPLOYEES table as an index-organized table (IOT). You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index?() A、A primary key must have been created.B、A mapping table must have been created.C、An overflow tablespace must have been specified.D、The PCTTHRESHOLD option must have been specified.

考题 Using Oracle Scheduler you have scheduled two jobs, JOB_Aand JOB_B, to run at 9:00 p.m. every Friday. You want both the jobs to use a single resource plan, WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective?()A、 A window must have been created with the WEEKEND_PLAN resource plan.B、 A program must have been created with the WEEKEND_PLAN resource plan.C、 A job class must have been created with the WEEKEND_PLAN resource plan.D、 A window group must have been created with the WEEKEND_PLAN resource plan.

考题 You work as a database administrator for Certkiller .com. In your production  database, the size of Database Buffer Cache needs to be increased immediately for the current as well as future instances of the database. The Oracle instance has been configured to accommodate any changes in the size of the memory structures. At this is production database, you want to accomplish this task with no impact on the user’s connections.  Which activity must you have completed before accomplishing this task?()A、You must have started the database instance in restricted mode.B、You must have started the database instance inNORMALmode.C、You must have started the database instance with server parameter file.D、You must have started the database instance but must not have mounted.E、You must have started the database instance but must not have opened.

考题 While designing your database, you have created the EMPLOYEEStable as an index-organized (IOT). You want to create a bitmap index on the JOD_IDcolumn to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()A、 A primary key must have been created.B、 A mapping table must have been created.C、 An overflow tablespace must have been specified.D、 The PCTTHRESHOLD option must have been specified.

考题 Manually, you set the consumer group of all of the newly created users to MYDB_GRP. You want the users to be able to change their consumer groups as per the application requirement. What was the first step that was needed in the process to achieve this objective?()A、 The user must have been granted the DBA role.B、 The user must have been granted the switch privilege as a part of a role.C、 The user must have been granted the Resource Manager administrator privilege.D、 The user must have been granted the switch privilege by using the DBMS_RESOURCE_MANAGER_PRIVS package.

考题 单选题Since the road is wet,() last night.A it must have rainedB itmust rainC it must be rainingD it must have been raining

考题 单选题While designing your database, you have created the EMPLOYEES table as an index/x7forganized table (IOT). You want to create a bitmap index on the JOB_ID column to make queries faster. Which task must have been completed so that you are able to create the bitmap index?()A A primary key must have been created.B A mapping table must have been created.C An overflow tablespace must have been specified.D The PCTTHRESHOLD option must have been specified.

考题 单选题Using Oracle Scheduler you have scheduled two jobs, JOB_Aand JOB_B, to run at 9:00 p.m. every Friday. You want both the jobs to use a single resource plan, WEEKEND_PLAN. Which task must have already been performed to enable you to achieve this objective?()A  A window must have been created with the WEEKEND_PLAN resource plan.B  A program must have been created with the WEEKEND_PLAN resource plan.C  A job class must have been created with the WEEKEND_PLAN resource plan.D  A window group must have been created with the WEEKEND_PLAN resource plan.