大学英语六级火星模拟试卷.docVIP

大学英语六级火星模拟试卷 Model Test Three Part I Writing Directions: For this part, you are allowed 30 minutes to write a short essay entitled A Harmonious Society in M y Mind. You should write at least 150 words following the outline given below: 1．我在国家主张建立和谐社会 2．我心目中的和谐社会 3．为了达到 样的目标我们应该如何做 A Harmonious Society in My Mind 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. How to Solve Three Puzzles New knowledge and sophisticated diagnostic techniques are helping doctors recognize early signs of autism (孤独症), Alzheimers disease(痴呆症) and heart problems in women. Harvard experts report on the advances that are giving patients hope. Detecting Autism Early diagnosis (诊断)of autism is critical because educational programs that build upon a childs strengths and improve social skills may help sculpt the developing brain, minimizing the impact of the illness later in life. But spotting the disorder is hard since there is no test for it, although scientists are slowly uncovering gene abnormalities that make children vulnerable to autism. Last week The New England Journal of Medicine reported that a specific location on chromosome(染色体) 16 was the site of mutations responsible for so me cases of autism. For now, diagnosis depends on observing a childs behavior. Its a complex process, since no two cases are alike and signs range from mild to severe, landed, even though signs of autism may be apparent before their first birthday, most children arent diagnosed until the age of 3. That makes parents, who are so intimately familiar with their childs behavior, perhaps the most effective diagnostic” tools. T