1、（）is the technology that appears to emulate human performance typicaliy by learning,coming to its own conclusions, appearing to understand complex content, engaging in natural dialogs with people, enhancing human cognittive performance (also known as cognittive computing) or replacing people on execution ofnonroutine tasks.

A、Cloud service

B、Blockchain

C、Internet of things

D、Artificial intellingence

信管网解析：

（ ）是通过学习来模仿人类表现的技术，得出自己的结论，表现为理解复杂的内容，与人进行自然对话，增强人类的认知能力（也称为认知计算）或取代人。执行非常规任务。

A、云服务

B、区块链

C、物联网

D、人工智能

信管网参考答案：D

2、（）is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be alterred retroactively without the alteration of all subsequent blocks and the collusion  of the network.

A、Cloud service

B、Blockchain

C、Internet of things

D、Artificial intellingence

信管网解析：

（）是一种分散的、分布式的和公用的数字分类帐，用于记录许多计算机上的交易，以便记录不能被追溯地改变，而不改变所有后续块和网络的合谋。

A、云服务

B、区块链

C、物联网

D、人工智能

信管网参考答案：B