Como é um fato social, toda língua apresenta variações, isso quer dizer que o falante com competência comunicativa precisa conseguir perceber que ocorrem mudanças dentro do sistema comunicativo. Leia o texto a seguir: Vício na fala Para dizerem milho dizem mio Para melhor dizem mió Para pior pió Para telha dizem teia Para telhado dizem teiado E vão fazendo telhados. Fonte: ANDRADE, Oswald. Vício na fala. Disponível em: . Acesso em: 07/09/2019 Considerando essas informações, o poema de Oswald de Andrade e os estudos feitos sobre variedade linguística, o poema apresenta um exemplo de: variação etária. variação histórica. estilo de época. dialeto. linguagem profissional.

Rick read the following argument: although the gas helium is the second most abundant element in the known universe, its supplies on earth are limited. most helium comes either from mining minerals or as a byproduct of natural gas. although helium is in low supply, the demand for it is quite high. it can be used for a variety of medical purposes, including the treatment of breathing problems such as asthma. helium also has heart and nerve protective properties, and doctors are beginning to use it in surgery. yet current laws make recycling helium unprofitable. for the sake of our health, those laws must change. which statement would be the most appropriate in a conclusion to this argument? why? a. “these laws are unlikely to change, so we must take steps to manufacture helium on our own.” this statement makes the logical leap that if we can't recycle helium, we should create it. b. “until human disease is a thing of the past, we cannot support laws that put helium supplies at risk.” this restates the claim of this argument, which is that we should do everything in our power to treat human diseases. c. “if there is any practical use for helium other than medicine, laws should change to protect current supplies of the gas.” this sentence summarizes one of the major points of the argument, which is that helium reserves are in low supply. d. “human health depends on helium, and therefore it is necessary to change the laws that make it hard to acquire.” this restates the claim of the argument and also summarizes the supporting evidence that illnesses can be treated by helium.

Read the excerpt from "mending wall." we keep the wall between us as we go. to each the boulders that have fallen to each. and some are loaves and some so nearly balls we have to use a spell to make them balance: "stay where you are until our backs are turned! " we wear our fingers rough with handling them. oh, just another kind of out-door game, one on a side. it comes to little more: there where it is we do not need the wall: he is all pine and i am apple orchard. what does the line “and some are loaves and some so nearly balls” refer to?

Rea is fascinated by the cuisine of a certain country. therefore, she has bought some olives, dates, and figs. she plans to use these ingredients to cook lamb and poultry stews in the country’s classic earthenware, called a tagine. which type of cuisine does rea seem to enjoy? a. italian b. spanish c. chinese d. moroccan e. indian