Respostas
1.
a. When two elements are equal in a comparison, we use
III. as + adjective + as (as interesting as)
b. When one element is compared to another, we use
II. the comparative form (faster than)
c. When one element is compared to other elements (two or more) from the same group, we use
I. the superlative form (the smallest, the most powerful)
2.
a. Usain Bolt is the fastest man in the world. In 2009 he ran faster than in the 2012 Olympics.
b. The cheetah is the fastest land animal. It is faster than the house cat.
c. The sailfish is the fastest water animal. It is faster than the killer whale.
d. The dolphin isn't as fast as the sailfish or the killer whale.
3.
a. Sarah Menezes was the best judoka in the -48kg category in the London 2012 Olympics. Sarah won a gold medal.
b. She is one the most talented Brazilian judokas. She became the first Brazilian woman to win gold in judo at an Olympic Games.
c. She was one of the youngest Brazilian athletes in the London 2012 Olympics. She was just 22!
d. She participed in the -48kg category. She wasn't one of the heaviest judokas at all!
4.
The adjectives in exercise 3 are in the superlative form because Sarah Menezes is being compared to other judokas.