Câu hỏi: Choose the letter A, B, C or D the word that has the underlined part different from others.

I’m Peter. I have been dreaming of having a robot for a long time. In the future, I may build a villa on the moon. I will live with a teaching robot, a worker robot, a doctor robot and a home robot. I will be able to do difficult homework with the help of teaching robot. A worker robot will help me build new houses. A doctor robot could look after me when I’m sick. And a home robot will do household chores for me every day. It will be convenient. I will be able to do researches on science and invent new things. Some people say it’s a bad habit to rely on robots. But I think robots are very helpful to human life.

A worker robot will do the laundry.

Robots ___________ (6) an important role in our life. They have changed people’s lives in many ways. First of all, they ___________ (7) time and human labor. Thanks to robots, we don’t have to spends days and months ___________ (8) repeated work. For example, to produce French fries, we need human ___________ (9) potatoes, wash, then peel, cut them into pieces and finally fry them all. If we have robots to do the task, we will save a lot of time and produce more products. Secondly, robots help to replace human in dangerous work. Now we __________ (10) human to do such work as mining minerals. It’s helpful because there have been lots of people lose their lives in such jobs. However, it’s costly to buy a robot.

Question 7

I’m Peter. I have been dreaming of having a robot for a long time. In the future, I may build a villa on the moon. I will live with a teaching robot, a worker robot, a doctor robot and a home robot. I will be able to do difficult homework with the help of teaching robot. A worker robot will help me build new houses. A doctor robot could look after me when I’m sick. And a home robot will do household chores for me every day. It will be convenient. I will be able to do researches on science and invent new things. Some people say it’s a bad habit to rely on robots. But I think robots are very helpful to human life.

Peter thinks it’s a bad habit to rely on robots.

Are home robots more expensive than doctor ones?