1、单选题：
Smart Grid is the inevitable choice for the development of ( ) and () .
选项：
A:Power Grid Technology; Social economy
B:Science and technology; Natural Environment
C:Power Grid Technology; Natural Environment
D:Power Grid Technology; Natural environment
答案: 【Power Grid Technology; Social economy】

2、单选题：
The main technical fields of intelligent power generation are ( ) .
选项：
A:New Energy; Clean Energy; Large Capacity Energy Storage Application
B:Conventional Energy; Renewable Energy; Clean Energy
C:Conventional Energy; Renewable Energy
D:Renewable Energy; New Energy; Large Capacity Energy Storage Application
答案: 【Conventional Energy; Renewable Energy; Clean Energy】

3、多选题：
Regarding the research methods of big data, the following statement are ture ( ).
选项：
A:Data collection and multi-source data fusion
B:Interpretation of results
C:Establishment of physical or mathematical models based on mechanisms
D:Build scenario extraction use cases
E:Data Analysis
答案: 【Data collection and multi-source data fusion;
Interpretation of results;
Build scenario extraction use cases;
Data Analysis】

4、多选题：
The following statement about big data are true ( ).
选项：
A:Mathematics as the thinking frame of solid system for big data model
B:Mathematics provides a theoretical tool for data processing of big data
C:Big Data is the medium and means of reconciling the human spirit and the physical world
D:Big Data research requires modeling
E:Big Data is suitable for understanding statistical law and chaos law
答案: 【Mathematics as the thinking frame of solid system for big data model;
Mathematics provides a theoretical tool for data processing of big data;
Big Data is the medium and means of reconciling the human spirit and the physical world;
Big Data is suitable for understanding statistical law and chaos law】

5、多选题：
Specific Application Directions of power grid development planning include ( ) .
选项：
A:Analysis of influencing factors of power grid reliability
B:Load modeling
C:Data Storage
D:Analysis of electric vehicle charging demand
E:Load forecasting
答案: 【Analysis of influencing factors of power grid reliability;
Load modeling;
Analysis of electric vehicle charging demand;
Load forecasting】