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【多选题】
如何安置、处理实验服?()。
A.
离开实验室时,实验服必须脱下并留在实验室内
B.
实验服不得穿着外出,更不能携带
C.
用过的工作服应先在实验室中消毒,然后统一洗涤或丢弃
D.
实验服最好能够完全扣住,长袖、背面开口的隔离衣防护效果更好
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举一反三
【单选题】His job is to sell the ____ carvings in the ____ department of the company.
A.
wooden; sales
B.
wood; sales
C.
wood; sale
D.
wooden; sale
【单选题】It's no use the Minister trying to ( ) his department's mistakes.
A.
turn up
B.
gloss over
C.
roo out
D.
set up
【单选题】下列关于统筹账户与个人账户基金区别的说法不正确的是( )
A.
社会统筹基金多为长期资金,要求流动性低
B.
个人账户依靠投资分散化来化解风险
C.
社会统筹基金实行现收现付制度
D.
个人账户基金属于被保险人个人所有
【判断题】在黄河河口综合治理规划或者黄河入海流路规划确定的其他以备复用的黄河故道应当保持原状,不得擅自开发利用。( )
A.
正确
B.
错误
【简答题】A.To a department store. B.To a market in the town. C.To his friend's home. D.To the court.
【简答题】The director required that every member in his department (refer) ______ to his report.
【简答题】A.His body's resistance was low and he went to big department store. B.He was overtired and didn't eat nutritious food. C.He was stressed out because he had to decide which gift to buy. D.He had to ru...
【单选题】“白日依山尽,黄河入海流”这里的海是指(  )
A.
渤海
B.
黄海
C.
东海
D.
南海
【判断题】由α的初始值组成的列向量是Ad的属于特征值为n的一个特征向量,那么d是Z2上序列α=a0a1......an-1的一个周期
A.
正确
B.
错误
【单选题】d是Z2上序列α=a0a1......an-1的一个周期的充要条件是什么?
A.
α的初始值组成的列向量是单位向量
B.
α的初始值组成的列向量是Ad的属于特征值为1的一个特征向量
C.
α的初始值组成的列向量是零向量
D.
α的初始值组成的列向量是Ad的属于特征值为n的一个特征向量
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