Scientists are certain about the proportion of land degradation in the world, besides recognizing that it is an issue ha...

In text 7A3-I, the clause “as Butler often noted” (second sentence of the second paragraph) is an adverbial clause that indicates

Only recently have scientists begun experimenting with the concept of living computers.

O fato de haver uma quantidade significativa de falantes de inglês que não conhecem as regras da norma padrão prejudica o caráter intercultural do ing...

The author of text 10A1-IV claims that language

Based on the text above, choose the correct option.

In line 9, “unless” can be correctly replaced by except if.

In the clause ‘the greatest guy you could meet’ (R.4), the modal verb “could” expresses

The storm’s lingering effects snow were all solved late Sunday.

The phrase “the target language cannot be taught directly” (R.13-14) can be correctly paraphrased as the teacher cannot teach the target language dire...

The word state has the same meaning in the first and in the second sentences of the first paragraph.