In the following passage, there are blanks, each marked by a letter. For each blank, five options are provided. Select the most suitable word that cor...
Question
In the following passage, there are blanks, each marked by a letter. For each blank, five options are provided. Select the most suitable word that correctly fills the blank.
The controlled use of fire represents one of humanity's most ______ (A) technological breakthroughs. Anthropologists believe our ancestors first ______ (B) fire naturally caused by lightning strikes or volcanic activity. This accidental discovery eventually led to the ______ (C) of techniques for creating and maintaining flames.
Early humans likely noticed how wildfires ______ (D) their environment, both frightening and fascinating them. The first intentional use of fire for warmth and protection marked a ______ (E) moment in human evolution. Over millennia, our ancestors developed increasingly sophisticated methods to ______ (F) this powerful element, fundamentally changing the course of civilization.
Which of the following words best fits the blank (E)?