Question

read the passage and then answer the question. the niagara river drops about 176 feet at the famous niagara falls. below the falls, the river rushes through a deep gorge. for many years, the only way across the rushing river was by boat. people thought no bridge could ever be built between those steep rock walls. but in 1848, a kite contest changed that. a prize was offered to anyone who flew a kite across the river. a boy named homan walsh won. his kite string went eight hundred feet from one side to the other. bridge builders tied a stronger line to that string, and then a rope. and that was the start of a great bridge. what is the meaning of gorge as used in the passage? a long wooden bridge a narrow opening between cliffs a flowing waterfall a large pile of rocks

Explanation:

The passage mentions "steep rock walls" near where the river rushes through the gorge. A gorge is typically a narrow opening between cliffs. The other options don't fit the context: a long wooden bridge is what was built later (not what the river rushed through initially), a flowing waterfall is the falls itself (not the area below), and a large pile of rocks doesn't match the description of where the river flows.

Answer:

a narrow opening between cliffs