21. The process of moving people from a place of danger to a safer place is called ______.
A. emergency B. evacuation C. operation D. movement
22. Artificial Intelligence (AI) is an area of ________ concerned with making computers copy intelligent human behaviour.
A. invention B. learning C. lesson D. study
23. The protection of technologies and technological information has become ________ for many nations.
A. a concern of important B. the importance of a concern
C. an important concern D. the importance concerning
24. Astronauts use ________ to move around when they are on the Moon’s surface.
A. moon buggies B. space cars C. spaceships D. flying saucers
25. Workers are now ________ up the debris left behind by the severe storm.
A. cleaning B. moving C. clearing D. collecting
21. The process of moving people from a place of danger to a safer place is called ______.
A. emergency B. evacuation C. operation D. movement
22. Artificial Intelligence (AI) is an area of ________ concerned with making computers copy intelligent human behaviour.
A. invention B. learning C. lesson D. study
23. The protection of technologies and technological information has become ________ for many nations.
A. a concern of important B. the importance of a concern
C. an important concern D. the importance concerning
24. Astronauts use ________ to move around when they are on the Moon’s surface.
A. moon buggies B. space cars C. spaceships D. flying saucers
25. Workers are now ________ up the debris left behind by the severe storm.
A. cleaning B. moving C. clearing D. collecting