The key supporting technologies of an intelligent society are（）
A. 5G technology
B. artificial intelligence
C. Blockchain
D. Internet of Things
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The boy wanted to ride his bicycle in the street but his mother told him（）
A. not to
B. not to do
C. not do it
D. do not do
Information technology has promoted human society through multiple stages of development. The next 20 to 30 years will enter（）
A. Digital era
B. Information age
C. The era of interconnection
D. Intelligent period
The Japanese celebrate Christmas_____（）
A. despite of the very few of them are Christians
B. in spite of very few of them are Christians
C. in spite very that few of them are Christians
D. despite the fact that very few of them are Christians
The Plantagenet dynasty was founded by__（）
A. Richard I
B. Count of Anjor
C. Henry of Anjor
D. King Joseph
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