* encourage (adj): khuyến khích,khích lệ,động viên
Part D: Reading
I.
1, Question:
1. Because a robot cannot think or do things alone.
2. Because they are too expensive.
3. In the US, people use robots to guard some imprtant places.
4. In Japan, people use robots in factories to build cars.
Chúc bạn học tốt ~
# Yumi