Based on the text, it can be concluded that
a second language is that one you learn in a foreign country where this language is the native language.
Based on the text, it can be concluded that
if you are English and you are learning Portuguese in Brazil, Portuguese will be a second language for you.
Based on the text, it can be concluded that
English learned in Australia can be considered a foreign language.
Based on the text, it can be concluded that
a foreign language environment is that one found by a Brazilian learning English in the USA.
In the text,
“readily” (l.14) is synonymous with promptly.
In the text,
the word "mayor" (L.8) is synonymous with representative.
In the text,
the word "critical" (L.49) can be correctly replaced by extremely important.
In the text, "much" (L.20) is the opposite of 
In the text,
"heavily" (L.1) is the opposite of lightly.
the picture and text as reference, judge the following items.
"useless" (L.28) means having no purpose
