A.正确

B.错误

正确答案：错误

3、What does the phrase "Sweating bullets" mean？

A.To be anxious or nervous about

B.To sweat badly

C.To be happy about something

D.To be hit by bullets

正确答案：To be anxious or nervous about；To sweat badly

4、Climate change has consequences for our oceans， our weather， our food sources and our health.。

A.正确

B.错误

正确答案：正确

5、Earth Day is an annual event， celebrated on April 22.。

A.正确

B.错误

正确答案：正确

6、Which country celebrate Earth Day in the first place？

A.China

B.Britain

C.Japan

D.America

正确答案：America

7、To recycle something means that it will be transformed again into a raw material that can be shaped into a new item.。

A.正确

B.错误

正确答案：正确

8、Which of the following is NOT Hazardous waste？

A.expired food

B.paint

C.Batteries

D.Expired medicines

正确答案：expired food

9、Collection and treatment of garbage in Germany is considered one of the most efficient.。

A.正确

B.错误

正确答案：正确

第五章单元测试

1、What the core parts of AI？

A.Knowledge engineering

B.Machine learning

正确答案：Knowledge engineering；Machine learning

2、What can robot do？

A.Do housework， such as cleaning， washing.

B.Both A and B.

C.Walk or roll on wheels

正确答案：Both A and B.

3、What are the types of robots by application？

A.Medical robots

B.Domestic or household robots

C.Industrial robots

D.Military robots

正确答案：Medical robots；Domestic or household robots；Industrial robots；Military robots

4、Will they totally replace human beings according to the speaker？

A.Yes

B.No

正确答案：No

5、What is the 5G about？

A.Internet connection

B.Computer operation system

C.Mibilephone network

正确答案：Mibilephone network

6、5G will help fuel future “smart cities” by connecting sensor networks.。

A.正确

B.错误

正确答案：正确

7、What are major benefits of using Big Data applications in manufacturing industry？

A.Product quality and defects tracking

B.Increasing energy efficiency

C.Supply planning

D.Manufacturing process defect tracking

正确答案：Product quality and defects tracking；Increasing energy efficiency；Supply planning；Manufacturing process defect tracking