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【多选题】
数字技术的特点有以下哪些( )。A.
采用二进制,只有两个数码0和1
B.
抗干扰能力强、精度高
C.
数字信号便于长期存贮,使大量可贵的信息资源得以保存
D.
保密性好,在数码技术中可以进行加密处理使重要信息资源不易被窃取
E.
通用性强,可以采用标准化的逻辑部件来构成各种各样的数码系统
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反馈参考答案：
举一反三
【单选题】Who were the first insurance contracts designed to protect?
A.
Insurance companies.
B.
Sailors.
C.
Manufacturers.
D.
Merchants.
【多选题】Who were the first colonists in the Americas?
A.
the British
B.
the French
C.
the Portugese
D.
the Spanish
【单选题】Who were the first Chinese arrivals?
A.
Merchants.
B.
Doctors.
C.
Seamen.
D.
Lawyers.
【单选题】Who were the first inhabitants of Edmonton?
A.
Europeans
B.
Pioneer farmers.
C.
Indigenous groups
D.
The first settlers
【单选题】Who were the first people to settle in Ireland?
A.
The Britons
B.
The Normans
C.
The Angles, Saxons and Jutes.
D.
The Celts
【单选题】Who were the first Europeans to explore and settle the Southwest?
A.
the Spanish
B.
the English
C.
the French
【简答题】知网排序功能有( )种。
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