单选题Sometimes it is necessary to be careful _____ the right date to sit for a test.A when choosingB when you will chooseC when you have chosenD when you chose

题目
单选题
Sometimes it is necessary to be careful _____ the right date to sit for a test.
A

when choosing

B

when you will choose

C

when you have chosen

D

when you chose


相似考题
更多“单选题Sometimes it is necessary to be careful _____ the right date to sit for a test.A when choosingB when you will chooseC when you have chosenD when you chose”相关问题
  • 第1题:

    Which of the followings can be used to ask for a favor of somebody()?

    A.Are you going to see John when you are in Beijing?

    B.When will you go to Chongqing?

    C.Will you please give him the parcel when you see him?

    D.How muchlong will you wait at the station?


    答案:C

    解析:原题题意为下面哪项可以用于请求别人的帮助?根据题意,只有C选项Will you please give him the parcel when you see him?为你见到他时请把包裹给他好吗?符合题意,故选C

  • 第2题:

    when you do the watch keeping in the engine room ,what should you be careful about ?


    正确答案:I should take close watch on the fuel oil and lubricating oil condition to notice any possible problems arising from abnormal temperature ,,leakage ,or some other problems ; if hearing is seeing abnormal noises for machines ,I should make a quick judgement and report them to C/E or even master I myself cannot deal with it ,obey the rules of the company and the instruction from C/E and master and some warning from the deck department .l

  • 第3题:

    In which two situations should you run the command sync group?() (Choose two.)

    A. when you enable Unified Failover

    B. when you create an ActiveN group

    C. when you synchronize the sticky table

    D. when you require synchronization of the 3G Cache objects


    参考答案:A, B

  • 第4题:

    When you're _t_________ ,you should have some water.


    正确答案:
    32. thirsty

  • 第5题:

    It is when you nearly lose someone when you become fully conscious of how much you value them .


    when应改为that[解析] 此题考查强调句型it is/was…that…,因此第二个when应换为that。

  • 第6题:

    In which two situations should you run the command sync group?() (Choose two.)

    • A、when you enable Unified Failover
    • B、when you create an ActiveN group
    • C、when you synchronize the sticky table
    • D、when you require synchronization of the 3G Cache objects

    正确答案:A,B

  • 第7题:

    In which scenario will you perform a cancel-based recovery?()

    • A、 when a tablespace is dropped and you have only RMAN-based backup of the database
    • B、 when a table is dropped and stored in the Recycle Bin
    • C、 when you are required to recover an existing table to its previous state
    • D、 when a tablespace is dropped and you have only a user-managed full backup of the database

    正确答案:D

  • 第8题:

    In which scenarios would you rebuild an index?()

    • A、 when you need to disable the index usage
    • B、 when you need to change storage options
    • C、 when you need to enable index monitoring
    • D、 when you need to move the index to another tablespace

    正确答案:B,D

  • 第9题:

    单选题
    The writer says the skills for communicating with your boss, which you desire to master will
    A

    pay you up when you are a boss.

    B

    become indispensable when you are a boss.

    C

    be no longer required when your are a boss.

    D

    become rewarding when your are a boss.


    正确答案: B
    解析:
    最后一段的最后一句,those skills will pay off in your own management role with your own team。当某一天你自己成为团队领导时,这些经验也是非常有益的。

  • 第10题:

    单选题
    In which scenario will you perform a cancel-based recovery?()
    A

     when a tablespace is dropped and you have only RMAN-based backup of the database

    B

     when a table is dropped and stored in the Recycle Bin

    C

     when you are required to recover an existing table to its previous state

    D

     when a tablespace is dropped and you have only a user-managed full backup of the database


    正确答案: B
    解析: 暂无解析

  • 第11题:

    单选题
    Be careful when you ()the derrick.
    A

    operated

    B

    operate

    C

    operating

    D

    operator


    正确答案: A
    解析: 暂无解析

  • 第12题:

    单选题
    Sometimes it is necessary to be careful _____ the right date to sit for a test.
    A

    when choosing

    B

    when you will choose

    C

    when you have chosen

    D

    when you chose


    正确答案: D
    解析:
    有时候,谨慎选择测验日期很有必要。when引导的时间状语从句用现在进行时,即为when you are choosing,省去you are,故A项正确。其他三个选项时态均不正确。

  • 第13题:

    ________ when you cross the road.

    A、Do care

    B、Care

    C、Do be careful

    D、To be careful


    正确答案:C

  • 第14题:

    You are configuring captive portal on your SRX Series device for guest user access.When would you use the redirect-traffic all command?()

    A. When you want all unauthenticated traffic to be redirected

    B. When you want all clear text traffic to be redirected.

    C. When you want all authenticated traffic to be redirected.

    D. When you want all encrypted traffic to be redirected.


    参考答案:B

  • 第15题:

    Please be careful when you are drinking选择

    Please be careful when you are drinking coffee in case you __________ the new carpet.

    A) crash           B) pollute           C) spot             D) stain

     


    D. stain
    喝咖啡的时候要小心,以免弄脏新地毯。

  • 第16题:

    You cannot be__________careful when you drive a car.

    A.very
    B.so
    C.too
    D.enough

    答案:C
    解析:
    【考情点拨】考查常用表达方法。【应试指导】句意:驾驶汽车时,怎么小心都不过分。“cannot be too+形容词”构成特殊用法,意为“无论多么……都不为过”。其他几项不合句意。

  • 第17题:

    It is when you nearly lose someone when you become fully conscious of how much you value them .


    正确答案:when应改为that[解析] 此题考查强调句型it is/was…that…,因此第二个when应换为that。

  • 第18题:

    You are configuring captive portal on your SRX Series device for guest user access.When would you use the redirect-traffic all command?()

    • A、When you want all unauthenticated traffic to be redirected
    • B、When you want all clear text traffic to be redirected.
    • C、When you want all authenticated traffic to be redirected.
    • D、When you want all encrypted traffic to be redirected.

    正确答案:B

  • 第19题:

    Your database is running in the ARCHIVELOG mode. You have configured RMAN for backup and recovery operations. You execute the following command from the RMAN prompt:   RMAN> CONFIGURE CONTROLFILE AUTOBACKUP ON;   After executing this command, in which of the following cases will RMAN make an auto-backup of the control file? ()

    • A、 when you change the name of a datafile
    • B、 when you drop a table from the database
    • C、 when you take an export of the database
    • D、 when you back up the database using OS utilities
    • E、 when you issue an ALTER SYSTEM SWITCH LOGFILE statement
    • F、 when you issue a BACKUP command from inside the RMAN run block

    正确答案:A,E,F

  • 第20题:

    In which scenario will you use the Flashback Version Query feature?()

    • A、 when you want to restore a table that has been dropped from the Recycle Bin
    • B、 when you want to identify the transaction ID of the transaction that deleted some important records from a table
    • C、 when you want to recover the schema of a dropped user
    • D、when you want to restore a dropped tablespace

    正确答案:B

  • 第21题:

    单选题
    Be careful when you cross this very busy street. If not, you may get _____ by a car.
    A

    run out

    B

    run over

    C

    run away

    D

    run after


    正确答案: D
    解析:
    句意:穿这条繁忙的街道时要小心。否则你会被汽车碾过。get run over被车碾过(实际上就是被车撞),get是系动词,常和过去分词连用表示遭遇某种状况。run out用完。run away逃跑。run after追赶。

  • 第22题:

    单选题
    Only when you have accumulated enough credits will you be _____ to apply for the degree.
    A

    elementary

    B

    ethnic

    C

    eligible

    D

    elegant


    正确答案: D
    解析:
    句意:只有你积累了足够的学分时才有资格申请学位。elementary基本的,基础的。ethnic种族的。eligible有资格的。elegant优雅的。

  • 第23题:

    单选题
    An assistant's help is needed _____.
    A

    the moment you have entered the shop

    B

    before you start browsing

    C

    only when you have finished browsing

    D

    when you have made your choice


    正确答案: C
    解析:

  • 第24题:

    单选题
    Be careful when you cross this busy street. If not, you may _____ run over by a car.
    A

    have

    B

    get

    C

    become

    D

    turn


    正确答案: A
    解析:
    句意:在穿过这条喧闹的街道时要小心。如果不小心,可能会被车撞倒。本题考查动词辨析。从by a car可知该词谓语为被动语态结构。“get+过去分词”亦可构成被动语态,往往强调动作结果,因此选B项。