【单选题】【消耗次数:1】
We can assign the work to ____is reliable.
whose
whom
whoever
whomever
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相关题目
【单选题】 None of us can work out the puzzle, _____ we?
①  can
②  can’ t
③  do
④  don’ t
【单选题】 If we work with a strong will, we can overcome any difficulty, ____ great it is.
①  what
②  how
③  however
④  whatever
【单选题】 17.I dont think we can finish all the work before Friday, ____we?
①  shall
②  will
③  can
④  do
【单选题】 We ______ your name and address _____ Chinese Chamber of Commerce, through whom we learned that you are the main exporter of stainless steel products.
①  owe, from
②  owe, to
③  owe, with
④  owe, out of
【单选题】 The?( )?from?school?to?work?can be?difficult
①  transformation
②  transport
③  transition
④  transmission
【单选题】 They can’t leave until they _________ their work .
①  did
②  are doing
③  have done
④  his done
【单选题】 They can’t leave until they _______ their work .
①  did
②  are doing
③  have done
④  his done
【单选题】 Now that we’ve ____, can we come to a decision?
①  thought over
②  thought of
③  thought through
④  thought about
【单选题】 They can’t leave until they ___ their work.
①  did
②  are doing
③  have done
④  has done
【单选题】 _________ we’ve no money, we can’t buy it.
①  Since
②  Because of
③  Therefore
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随机题目
【单选题】 欲证明集合S上运算○能够构成群,不需要验证○在S上具有什么性质:
①  封闭与结合律;
②  都有逆元;
③  分配律;
④  有幺元。
【单选题】 关于实数集合上的○运算: a,b∈R, a○b=ab+a+b,下面说法不正确的是:
①  可交换;
②  可结合;
③  有幺元;
④  运算不封闭。
【单选题】 欲证明集合S上运算○能够构成独异点,不需要验证○在S上具有什么性质:
①  结合律;
②  封闭;
③  有零元;
④  有幺元。
【单选题】 设 整数集合Z上定义运算○: x○y=x+y-2,则Z关于○运算能构成:
①  是代数不是半群;
②  是半群不是独异点;
③  是独异点不是群;
④  是群。
【单选题】 实数集上二元运算f(x,y)=x-y,下面哪个说法正确的是:
①  可交换;
②  可结合;
③  有幺元;
④  无零元。
【单选题】 对于4 阶群必然含有:
①  零元;
②  2 阶元;
③  3 阶元;
④  4阶元。
【单选题】 关于 n×n 实可逆矩阵集合上的矩阵乘法运算( n≥2),下面说法不正确的是:
①  都有逆元;
②  可结合;
③  有幺元;
④  有零元。
【单选题】 设*为集合 S上可交换、可结合的二元运算, 若 a, b 是 S 上关于*运算的幂等元,则可以推断a*b 是:
①  幂等元;
②  不一定是幂等元;
③  幺元;
④  自逆元。
【单选题】 关于整数集合上的普通的加法运算,下面说法不正确的是:
①  可交换;
②  可结合;
③  有零元;
④  运算封闭。
【单选题】 实数集上二元运算f(x,y)=x+y,下面哪个说法不正确的是:
①  可交换;
②  满足等幂律;
③  有幺元;
④  可结合。