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Model Test Three Part Ⅰ Writing Directions: For this part, you are allowed 30 minutes to write a short essay entitled A Shopping Mall in the Neighborhood. You should write at least 120 words following the outline given below: 1．据称，在你所在的社区将建立一个大型的购物中心； 2．发表你的意见并说出支持或反对的理由。 A Shopping Mall in the Neighborhood Part Ⅱ Reading Comprehension (Skimming and Scanning) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1. For questions 1—7, choose the best answer from the four choices marked A), B), C) and D). For questions 8—10, complete the sentences with the information given in the passage. Genetic Testing Genetic testing is transforming medicine and the way families think about their health. As science uncovers the complicated secrets of DNA, we face difficult choices and new challenges. About Genetic testing The year was 1895 and Pauline Gross, a young actress, was scared. Gross knew nothing about the human-genome (基因组，染色体组) project—such medical triumphs, but she did know about a nasty disease called cancer, and it was running through her family. Im healthy now, she often told Dr. Aldred Warthin from at the University of Michigan, but I fully expect to die an early death. At the time, Grosss prediction was based solely on observation: family members had died of cancer; she would, too. Today, more than 100 years later, Grosss relatives have a much more clinical option: genetic testing. With a simple blood test; they can peer into their own DNA, learning梬hile still perfectly healthy梬hether they carry an inheritable gene mutation (st突变) that has dogged their family for decades and puts them at serious risk. Take the Testing Testing is a kind of the genomic revolution. A major goal is to create new sophisticated therapies that home in on a diseases biological source, then fix the problem. Already, genes are helping to predict a patients response to exi