FUELS FOR THE CARS OF TOMORROW
Driving is a dirty business. We add more pollution to our environment by running our internal combustion engines than we do with any other single activity. Auto exhaust, even "clean" exhaust, contributes about a quarter of all the carbon dioxide discharged into the air above the United States, as well as almost all of the carbon monoxide in and above our cities. The benzene that's in our gasoline is a known carcinogen, a cancer‐causing agent. The Environmental Protection Agency, a division of the federal government, estimates that auto exhaust produces about 1,800 cancers annually. Next time you fill your tank, look for a note on the gas dispenser telling you that "Long term exposure to vapors has caused cancer in some laboratory animals."
It seems clear that improving the health of our environment (and ourselves) requires, among other things, decreasing tailpipe emissions. This can take several forms. Auto manufacturers can design and produce cars that are more fuel‐efficient than those now on the roads, and therefore simply use less gasoline. In addition, gasoline manufacturers can formulate cleaner‐burning gasolines. Adding the oxygenates can lower carbon monoxide emissions, but it won't decrease carbon dioxide emissions and it might increase other forms of pollution. Another route would be to abandon the hydrocarbons of gasoline entirely. The four most promising alternatives are: electricity, ethanol, methanol and natural gas.
In any case, we will have choices before us, both as individuals and as a society. Whatever fuel or combination of fuels we do choose, it will be chemistry, in one form or another, that delivers the energy. Making the choices intelligently will require an understanding of the chemistry that lies behind them.
(SNYDER, Carl H. The Extraordinary Chemistry of Ordinary Things. John Wiley & Sons, Inc, 1995. p. 218-21.)

Assinale a opção que apresenta uma informação que consta no primeiro parágrafo do texto anterior

No segundo parágrafo do texto anterior são apresentadas sugestões para diminuir as emissões de gases pelos escapamentos dos carros. Dentre essas sugestões, a que foi mencionada no texto é:

De acordo com o último parágrafo do texto anterior, com relação à geração de energia para os carros, podemos inferir que:

Assinale a opção que contém uma expressão equivalente ao trecho sublinhado na frase: “Had they been born in 2004, they could ...” e que, portanto, poderia vir a substituí‐la:

Considere as seguintes frases:
(i) Like a bridge over troubled water.
(ii) I feel like a rolling stone.
(iii) I feel like a bird flying in the sky.
A palavra like, presente nas frases, corresponde

Escolha a alternativa que completa, correta e adequadamente, os espaços em branco do texto a seguir:
August 19 is Earth Overshoot Day 2014, _________ the date when humanity has __________ nature’s budget for the year. For the rest of the year, we will maintain our ecological deficit by __________ down local resource stocks and accumulating carbon dioxide in the atmosphere. We will be _______ in overshoot.
Disponível em: http://www.footprintnetwork.org/en/index.php/GFN/page/earth_overshoot_day/ Acesso em 23/09/2014.

Assinale a opção que corresponde ao Reported Speech do seguinte fragmento: John Kennedy said to his countrymen, “If we open a quarrel between the present and the past, we will be in danger of losing our future.”

Disponível em: http://www.jfklibrary.org/Research/Research‐Aids/Ready‐Reference/JFK‐quotations.aspx Acesso em 23/09/2014 – Adaptado.

ENGLAND
England is a green country , of fields and wooded hills; and England is a black country, of factories and mills. In its big and busy cities of concrete, brick and steel, it is hard to know people, and what they think and feel.
De acordo com o texto, a autora: