Select the most appropriate option to fill in blank number 2.
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. humans.
The meaning of the given words is:
- Machines: Inanimate devices or mechanical systems designed to perform specific functions or tasks, often powered by electricity or other sources of energy.
- Humans: Homo sapiens, the species to which modern human beings belong. Humans are characterized by their ability to think, reason, communicate, and exhibit complex social and cultural behaviors.
- Agents: Individuals or entities that have the ability to act, make choices, or exert influence. In various contexts, agents can refer to human actors, software programs, or other entities that actively participate in a process or system.
- Toys: Objects or playthings designed for amusement, entertainment, or the development of skills in children or sometimes even adults.
- Thus, the most appropriate filler for the given blank is machines.
Therefore, the completed sentence is:
"They have replaced machines in performing repetitive and dangerous tasks which humans prefer not to do, or are unable to do because of size limitations..."