1. **Answer:** Robots can help us save a lot of time and effort.
**Explanation:** In the passage, it is mentioned that robots can do the same job for 24 hours without feeling tired or complaining, this shows that robots can help humans save time and effort at work.
2. **Answer:** Robots are expensive.
**Explanation:** The passage clearly states that robots are not popular nowadays because they are too expensive. This suggests that the price of robots is a factor hindering their popularity.
3. **Answer:** Not everyone likes robots.
**Explanation:** In the passage it is mentioned that some people do not like robots and they fear that one day robots will become too powerful. This shows that there is a division of opinion between those who like and dislike robots.