In Texts I and II, in terms of reference, one notices that

When relating the ideas in Text I with those in Text II, one concludes that the

U.N., who wrote Comment 1 in Text II, defends that

In the excerpt of Text II: “living standards are severely damaged for both immigrants and native-born Americans, that is for everyone but the 0.1% wealthiest Americans who benefit from cheap labor” (lines 64-67), that is introduces a(n)

In the excerpts of Text II: “The US economic and social systems are set up to provide opportunity for immigrants to prosper” (lines 10-12) and “if immigrants are instead brought in as low-wage replacements for American workers” (lines 60-61) set up and brought in mean, respectively,

In Text II, the sentence that expresses the idea of absolute certainty in the future is

In Texts I and II, in terms of meaning, one notices that

In the excerpt of Text I: “other estimates find that immigration raises the wages of all US workers, regardless of education” (lines 23-25), regardless of,is substituted, without change in meaning, by

According to Text I, studies have NOT proved that

As representações decimais dos números a e b são dízimas periódicas cujos períodos são 3 e 7, respectivamente. Isto é, a = a₀ ,a₁ ...a_m333... e b = b₀ ,b₁ ...b_n 777... . Então, a+b é um(a)