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【单选题】
● Read the following passage. ● Are the sentences 16-22 'Right' or 'Wrong'? If there isn't enough information to answer 'Right' or 'Wrong', choose 'Doesn't say'. ● For each sentence 16-22, mark one letter (A, B or C) on your Answer Sheet. A Completely Different Product And A New Way Of Doing Business When James Dyson introduced the DC01 vacuum cleaner in 1993, few people could have guessed that within a few years it would be the biggest selling vacuum cleaner in Britain. With no bag and a number of space age design features, it was unlike any other vacuum cleaner. Today, the Dyson company employs 1, 050 people at its headquarters in Malmesbury. The company has an annual turnover of &150 million and Dyson vacuum cleaners are sold all around the world. In addition, the company has won many design awards and, most surprising of all, Dyson cleaners are on display in several of the world's leading museums of modem art. Dyson is not a typical company. For example, everyone who starts work at Dyson makes a vacuum cleaner on their first day. This way, all the staff know what the company produces and how they pro duce it. Designers and engineers work together to design and test theft ideas, unlike other companies where they are separate departments. Dyson also believes in direct communication--no one sends memos in the office, they go and speak to each other. And no one wears suits. James Dyson doesn't insist on this, but he does believe that wearing a suit stops people from thinking creatively. Judging from the success of Dyson. fewer companies will wear suits in future! Dyson vacuum cleaners are not like other cleaners.A.
Right
B.
Wrong
C.
Doesn't say
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举一反三
【单选题】设A={0,1,2},R是A上的关系,R={{0,1},(0,2),(1,2),(2,2)},下述结论正确的是( )。
A.
R的逆关系={(1,0),(2,0),(2,1)}
B.
R°R={0,2}
C.
R°R={(0,2),(1,2)}
D.
R°R={(0,2),(1,2),(2,2)}
【单选题】设f（x）是定义在R上的偶函数，且在（-∞，0]上是增函数，则f（a 2 ）与f（a 2 +1）（a∈R）的大小关系是（ ）
A.
f（a 2 ）＜f（a 2 +1）
B.
f（a 2 ）≥f（a 2 +1）
C.
f（a 2 ）＞f（a 2 +1）
D.
f（a 2 ）≤f（a 2 +1）
【单选题】设 A={0 , 1 , 2} , R 是 A 上的关系, R={{0 , 1} ,( 0 , 2 ),( 1 , 2 ),( 2 , 2 ) }, 下述结论正确的是( )
A.
R的逆关系={(1,0),(2,0),(2,1)}
B.
~ R o R={0,2}
C.
R o R={(0,2),(1,2)}
D.
R o R={(0,2),(1,2),(2,2)}
【简答题】设R是A={1, 2, 3}上的二元关系,其关系矩阵MR: [[0 1 0] [0 0 1] [0 1 0]], 求Mr(R),Ms(R),Mt(R)。
【单选题】设A={0, 1, 2},R是A上的关系: R={〈0,2〉,〈1,0〉,〈1,1〉,〈2,0〉,〈2,1〉} 求R的逆关系为( )
A.
{〈2,0〉,〈1,0〉,〈1,1〉,〈0,2〉,〈1,2〉}
B.
{〈2,0〉,〈0,1〉,〈1,1〉,〈0,2〉,〈2,1〉}
C.
{〈2,0〉,〈0,1〉,〈1,1〉,〈0,2〉,〈1,2〉}
D.
{〈2,0〉,〈1,0〉,〈1,1〉,〈0,2〉,〈2,1〉}
【单选题】尿标本采集哪项不正确
A.
尿液常规检查可随时留取新鲜尿液
B.
尿蛋白定量应留取24h尿液
C.
做早孕试验时，以晨尿为好
D.
尿糖定性标本应加防腐剂
E.
细菌培养应留取中段尿或导尿于消毒容器中
【多选题】行政机关负责人出庭应诉制度入法有哪些积极作用?
A.
有助于行政争议的实质性化解
B.
有助于彰显对司法机关的尊重，对重塑司法公信力有促进作用
C.
有助于行政机关负责人法治思维的培养，促进行政机关负责人带头依法行政
D.
对本机关和单位的工作人员既具有正当行使权力、履行职责的示范作用，又能警示他们慎用权、用好权，纠正执法过程的错误和问题，提升依法行政的能力和水平，进而更好地减少和预防行政争议和纠纷的发生
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