Sociologically speaking, the main goal of blockchain change is（）
A. Monopolistic internet economy
B. Improve information processing efficiency
C. Optimize data structure
D. Realize multi-party information sharing
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Blockchain is used for depositing evidence, mainly using its technical characteristics（）
A. Data cannot be tampered with
B. Encrypted storage
C. distributed
D. Centralization
We are going to learn____ next week（）
A. Lesson Twelfth
B. Lesson Twelve
C. Twelfth Lesson
D. the Lesson Twelfth
They have tried______ to persuade him to give up smoking（）
A. possible everything
B. almost everything possible
C. almost possible everything
D. everything almost possible
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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