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【单选题】
数字签名应具有的性质不包括A.
能够验证签名者
B.
能够认证被签名消息
C.
能够保护被签名的数据机密性
D.
签名必须能够由第三方验证
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【单选题】随着我国土地改革的完成,国内的主要矛盾是
A.
无产阶级同资产阶级的矛盾
B.
阶级和地主阶级的矛盾
C.
帝国主义与中华民族的矛盾
D.
人民对于经济文化迅速发展的需要同当前经济文化不能满足人民需要的状况之间的矛盾
【单选题】某男性在发 a, i ,u 时,捏鼻与非捏鼻状态下的音质存在显著的差异,这说明他
A.
鼻音功能亢进
B.
鼻音功能低下
C.
鼻音功能正常
D.
鼻音同化
E.
聚焦障碍
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【单选题】Do you enjoy working on a team?
A.
Yes, I do. I like the support from a group.
B.
Pleased to meet you.
C.
Congratulations. I think you’re right.
D.
No problem.
E.
No, she’s my father’s sister.
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