According to the text it is correct to assert that

A participação crítica e ativa dos professores nas transformações socioeducacionais dos países em desenvolvimento é ainda um desafio.

The pronoun “they” (last sentence of the last paragraph) refers to the word “assumptions”.

In the first paragraph of text 10A1-III, the author

The verbal phrase “allowed him to live abroad” (R.4) can be correctly replaced by allowed him living abroad.

In the first paragraph, the word “touted” (R.2) means questioned.

The expressions “scrutinised” (l.7), “undertaking” (l.15) and “comply with” (l.21) can be respectively replaced by probed, setting about and conform t...

My heart laps up when I beholdA rainbow in the sky:So was it when my life began;So it is now I am a man;So be it when I shall grow old,Or let me die!T...

In the past some doctors believed that injuries caused cancer because this is what animal experiments indicated.

“With the caveat that such stylistic factors work simultaneously and influence each other, the effect of one, and only one, stylistic factor on langua...

In the text, the word “may” (R.15) could be correctly substituted by must.