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【判断题】
限制性核酸内切酶识别的特征性DNA序列都是反向重复序列。 ( )
A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】Susie's reaction to father's decision was that ______.
A.
she could not understand law at all
B.
she disobeyed father from the very beginning
C.
she obeyed faterh at first but gradually changed her interest to music
D.
she hated law from the very beginning
【多选题】移动通信的特点有()
A.
存在电波衰落现象。
B.
干扰比较大。
C.
存在多普勒效应。
D.
存在远近效应。
【单选题】X服从参数λ=1的泊松分布,Y服从B(4,0.8),已知D(X+Y)=2.6,则
A.
0.4
B.
0.5
C.
0.6
D.
0.7
【判断题】员工援助计划(EAP)是一种对员工提供经济帮助的困难补助计划。
A.
正确
B.
错误
【单选题】设随机变量X与Y相互独立,它们分别服从参数λ=2的泊松分布与指数分布.记Z=X-2Y,则随机变量Z的数学期望与方差分别等于().
A.
1,3
B.
-2,4
C.
1,4
D.
-2,6
【单选题】当今时代,信息化已成为全球经济社会发展的显著特征,以语言文字为主要载体的信息资源日益成为重要生产要素、无形资产和社会财富,迫切要求加速提升语言文字信息化水平。特别是进入21世纪,随着经济社会和文化教育事业的快速发展,社会语言生活发生了巨大变化;随着工业化、城镇化、国际化步伐的加快,语言交流更为频繁,语言服务需求不断增大;随着综合国力不断增强,汉语加快走向世界,汉字的国际影响力不断扩大。这些,都急需...
A.
应加速提升语言文字信息化水平
B.
汉语的国际影响力正不断扩大
C.
社会的信息化刺激了语言服务需求
D.
信息时代更需要汉字规范化
【单选题】在存款人违反账户管理制度的处罚中,存款人的法定代表人或主要负责人、存款人地址以及其他开户资料的变更事项未在规定期限内通知银行的,给予警告并处以( )元的罚款。
A.
1000
B.
2000
C.
3000
D.
4000
【单选题】Susie's reaction to father's decision was that( ).
A.
She could not understand law at all
B.
She disobeyed father from the very beginning
C.
She obeyed father at first but gradually changed her interest to music
D.
She hated law from the very beginning
【单选题】Susie's reaction to father's decision was that _____.
A.
p6-2-A
B.
p6-2-B
C.
p6-2-C
D.
p6-2-D
【单选题】Susie's reaction to father's decision was that ______.
A.
she could not understand law at all
B.
she disobeyed father from the very beginning
C.
she obeyed father at first but gradually changed her interest to music
D.
she hated law from the very beginning
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