TAILIEUCHUNG - Cracking the toefl ibt 2008 part 18

According to the director of the Avida project, the processes undergone by the digital creatures are the same as those experienced by biological organisms. The only difference is that biological entities are based on strings of DNA, whereas the digital creations from Avida are based on strings of ones and zeros. | Many scientists doubted Carson s conclusions causing her to write more books to support them. This choice mentions scientists doubting Carson s conclusions which doesn t match the summary. Look to eliminate answers that are opposite of the tone of the summary. Here s the last incorrect answer choice. Carson did much of her research by talking to people with everyday experience using pesticides. Once again we have a specific detail. Eliminate this choice because it doesn t touch on the main themes of environmentalism or drawing people s attention to the problem. Instead it focuses on research methods. READING DRILL 2 1. C Our first question is a detail question. Return to the first paragraph and look for the information about the design of the typical flag. The traditional flag of fabric is still used to mark buildings ships and diplomatic caravans by national affiliation but its visual design makes it adaptable for other roles as well. This matches nicely with answer choice C Here s why the other answer choices are incorrect. Choice A is wrong if anything the passage states that flags are instantly recognizable. There is no men tion of flags changing with technology so eliminate choice B . Choice D states that the flag is older than the country it represents but this is beyond the information in the passage. The passage only states that flags are an ancient symbol. 2. D For this vocabulary in context question let s look at the following lines Their strong colors and geometric patterns are usually instantly recognizable even if to less than a square centimeter. Images of flags can thus serve as identifying icons on airliners television broadcasts and computer displays. A good word for the blank may be something like reduced because tire flag is less than a square centimeter and can fit on television broadcasts and computer displays. Only answer choice D fits this meaning. Here s why the other answer choices are incorrect. Answer choice A is a trap answer Be careful

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