【单选题】【消耗次数:1】
If they ___ to do this work, he might do it some other way.
were
should
will
can
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相关题目
【单选题】 If they______to do this work,he might do it some other way.
①  were
②  should
③  will
④  can
【单选题】 1. If they ______ to do this work, he might do it some other way.
①  were
②  should
③  will
④  can
【单选题】 He will surely finish the job on time _______ he is left to do it in his own way.
①  in that
②  in case
③  as far as
④  so long as
【单选题】 If I ___ it, I would do it in a different way.
①  were to do
②  do
③  had done
④  was to do
【单选题】 Id like?to?think?I?can?do?some?work?that?will?( )?international?cooperation?andunderstanding.
①  contribute at
②  contribute in
③  contribute of
④  contribute to
【单选题】 ____ is essential to a successful scientist; he cannot hope to make any progress if he cannot work in a controlled way.
①  Discipline
②  Decision
③  Declaration
④  Dependence
【单选题】 You can experience a fast internet connection in()the same way as you do in the office.
①  more
②  much
③  better .
④  most
【判断题】 A: What do they do? B: They work in a bank.
①  正确
②  错误
【判断题】 A: What do you do, Polly? B: I work for an IT company.
①  正确
②  错误
【判断题】 ____Unless_____ they can get people in the organization to do what must he done, they will not succeed.
①  正确
②  错误
随机题目
【简答题】 在数据库设计中,数据字典在[填空]阶段建立,在数据库设计过程中不断修改、充实、完善。
【判断题】 SELECT语句中的ORDERBY子句中,如果有多个排序标准,它们之间是用分号分隔,查询结果与排序标准的先后顺序有关。
①  正确
②  错误
【判断题】 在数据库的三级模式结构中内模式可以有多个。
①  正确
②  错误
【判断题】 在关系R(U)中,若X->Y,且Y->Z,那么X->Z就是传递函数依赖。
①  正确
②  错误
【判断题】 用户对“学生”表的SELECT权限为禁止,但该用户所属角色具有“学生”表的SELECT权限,则该用户仍可以查询“学生”表数据。
①  正确
②  错误
【判断题】 发性就是两个或两个以上的用户同时对数据执行的操作。
①  正确
②  错误
【多选题】 下列四组SQL命令,全部属于数据定义语句的命令是?
①  CREATE
②  DROP
③  UPDATE
④  GRANT
【多选题】 数据库安全控制中常用的用户身份鉴别方法有________
①  静态口令鉴别
②  动态口令鉴别
③  生物特征鉴别
④  智能卡鉴别
【多选题】 对关系的描述正确的是( )
①  关系是一个集合
②  关系中一个属性可以由多个子属性组成
③  关系中不允许任意两个元组取值完全相同
④  关系中的元组次序可交换
【多选题】 设有关系模式R(A,B,C,D),其数据依赖集:F={(A,B)→C,C→D,D→B},则以下哪些是F的候选码________
①  AB
②  AC
③  AD
④  BC