As far as the sources of energy mentioned in the text are concerned, we can state that:
The sentence: “Rainforests help to control global warming because they absorb carbon dioxide” could be rewritten, without change of meaning, as:
This aid is becoming increasingly popular in schools and institutions that can afford it. It permits the projection and manipulation of digitalized teaching content, both original and published. This aid is known as:
The linker BUTin “But carbon dioxide and other gases in the atmosphere trap the sun's heat” could be replaced, without change of meaning, by:
Our reasons for reading influence the way we read, that is, which reading subskill we make use of. Choose the alternative which presents na INCORRECT definition of the reading subskill provided.
The words in the text that mean SECA, ENCHENTE, CALOR e CHUMBO ar e, respectively:
A teacher needs to behave in different ways at the different stages of a lesson. These different kinds of behavior are called teacher roles. Choose the alternative which presents an INCORRECT teacher role according to the description provided.
The relative pronoun WHICH in “which is very poisonous and can cause brain damage in children” (paragraph 5), the object pronoun THEM in “and burning them is slowly harming the atmosphere” (paragraph 6), and the pronoun THEY in “so that they can be used again” (paragraph 7), refer in the text, respectively, to:
The capitalized words in the sentence: “Glass, paper and ALUMINIUM CANS CAN all be recycled very EASILY” belong to the following word classes, respectively:
The pronoun IT in “that helps to protect it from the sun's ultraviolet radiation” (paragraph 3), the pronoun THESE in “and these are often marked ozonefriendly” (paragraph 3), and the pronounTHEYin “and when they are cut down or burned” (paragraph 4), refer in the text, respectively, to:
Choose the alternative that presents the passive voice equivalent of the following sentence: Farmers are cutting down the trees to clear the land for farming.
Consider the sentences below: 1.Global warming ___________ by the greenhouse effect. 2.When ice in the poles melt, sea levels ____________. 3.Carbon dioxide __________ the sun's heat. 4.An American scientist ___________ holes in the ozone layer. Choose the alternative which presents the correct verb forms that complete the above sentences, respectively:
Choose the option which does NOT present a distinctive feature of the audiolingual method, but of the communicative approach to language teaching:
