tailieunhanh - Cracking the toefl ibt 2008 part 8

The Avida project began in the late 1990s, when Chris Adami, a physicist, sought to create a computer program that could evolve to do simple addition problems. The digital "organisms'" he created replicated themselves, and each time they replicated, they had a chance to mutate and thus evolve. Initially, the digital creations were unable to process numbers in any way. | Your Turn Drill 2 Practice Speaking an Introduction to a Speech Practice speaking introductions for each of tire following tasks. If possible record yourself and later review and evaluate your responses. 1. If you could have any job in the world which job would you choose 2. Describe a person you admire and explain why you admire him or her. 3. A university has recently received a large sum of money. The university desperately needs to improve housing on campus but students have also complained that the library needs to be fixed Do you think that the money should be spen t on housing or the library Provide reasons and examples for your choice. 4. Read the following short passage The cane toad a poisonous species of toad is causing problems in Australia. The cane toad was brought to Australia in 1935 to help control the population of grayback beetles. Unfortunately the toads did nothing to reduce the beetle population. Now however cane toads number in the millions and are threatening native animal populations. The cane toad has two poisonous sacs located near its head and is so toxic that dingoes snakes and even crocodiles die within fifteen minutes of eating a cane toad. Now conservationists are forced to transport some endangered species of animals to islands free from cane toads so that the endangered species can breed in safety. The passage above describes a problem. Explain what the problem is and what steps are being taken to fix it 5. Read the following conversation between two coworkers A I m really swamped at work. I don t know if I m going to be able to finish all of my projects by the deadline. B 1 know. We really need to hire some more people around here. What are you going to do A I don t know. My boss said I have to finish the budget analysis by Friday but he just gave me a new project that he needs completed right away. B Well if I were you. I d tell your boss that there s no way you can finish both in time. I d ask for more time. - - t A Yeah I guess