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In argumentative writing, the presence of transitions is crucial to make the text both cohesive and coherent. An instance of transition by means of contrast is found in: ta) “greenhouse gas emissions are at least partly responsible for a host of changes already under way,” (¢. 3-5) (B) “a variety of health effects as well, with ‘increased deaths, disease and injury due to heat waves, floods, storms, fires and droughts’,” (¢. 25-27) (C)_ “higher concentrations of carbon dioxide, the main heat-trapping gas, are contributing to a greener world, according to the draft.” (¢. 30-33) (D} “while temperate and higher latitudes could be friendlier to farming, they are also proving friendlier to weeds,” (¢. 40-42]

The logical relationship between clauses establishes different notions. An example which expresses the notion of concession is indicated in: (A) since public understanding is harder to change than terminology, (¢. 7-8) (B) If this new term was intended to be clear, (¢. 29) (C) because so much political speech involves defending the indefensible, (¢. 30-31) (D) This, though, isn't clear when it is simply labelled “clean coal”. (¢. 36-37)

I have a large measure of confidence that future archeologists and historians will conclude that innovations such as a code-speak called “Instant Messaging”, or a music box called “iPod” or a make- believe room called “MySpace” inexorably set us on a path of alienation and individualism. (/. 26-28) The underlined segment has the function of: (A) justifying (B) illustrating (C) emphasizing (D) recapitulating

The text points to positive and negative outcomes of climate changes. The effects regarded as beneficial are directly related to: (A) sea-level shifts and glacier retreat (B) pesticide alternatives and saltwater culture (C)_ immunological resistance and harvest cycles (D)_ greenhouse gas emission and ice defrosting

In April, The New York Times obtained a summarized version of the U.N. assessment on global warming The information contained in this summary originated from (A) afinal report (B) a panel discussion [C) a 1990 assessment (D) an unreviewed document