The connection established between the two clauses in the excerpt “As long as you’re fit, …., don’t worry about the few extra pounds”, (line 48-49) may be described as one of: 
O pronome “It”, no início do texto, refere-se a
“Once I brought her a gift…” can also be correctly written as
The word “for”, in “for warmth and light bring ecological renewal to what is now an icy desert” (l.16-17), is used to introduce
The only correct grammar rule, using examples from the text, is
The blanks in lines 04 and 07 can best be filled in, respectively, with the prepositions
O trecho do primeiro parágrafo – Since a database system is basically a software system (albeit complex), it too possesses an architecture. – pode ser reescrito, sem alteração de sentido, da seguinte forma:
O trecho do quinto parágrafo – workers not actively seeking a job – pode ser reescrito, sem alteração de sentido, como
