本科201(B).doc

广东培正学院2008—2009学年第1学期第二次升级考试 《培正英语201读写》试卷（B卷） (本科) 题号 一 二 三 四 五 总分 审核人 分值 15 20 30 20 15 100 得分 得分 评卷人 Part I. Reading Comprehension (Skimming and Scanning) 15% (15x1=15) Directions: Read the following passages, and then answer the questions. Mark T (True) if the statement agree with the information given in the passage, mark F (False) if the statement contradicts the information given in the passage, or mark NG (Not Given) if the information is not given in the passage. Passage 1 Just look around at any school or shopping mall and you will see (and hear) one thing for sure: Teens are head over heels for cell phones. By 2005, two out of three Americans between the ages of 10 and 19 will be mobile, say experts at the Boston-based research firm, Yankee Group. Yet a troubling question dogs(困扰) cell phone use: Do the phones possibly cause brain cancer? Two new studies—one founded by the cell phone industry and the US government, the other by the National Cancer institute—claim: Probably not. The studies compared 1,251 brain cancer patients with 1,221 cancer free people. All subjects were short-term cell phone users who chatted less than three hours per month and owned a cell phone for three years. Neither study proved a conclusive(决定性的) link between using cell phones and brain cancer. “But these studies don’t answer the question, is it absolutely impossible for cell phones to cause brain cancer?” says John Molders, a cancer specialist at the Medical College of Wisconsin. Yet not all scientists agree cell phones are harmless. Previous research has shown a possible link between cell phones and brain cancer in animals, says Louis Slewing, editor of Microwave News. The issue is far from settled, he says. While both sending and receiving calls, your cell phone emits a tiny amount of energy—less than one watt (energy unit per second) –next to your head. Many experts think radiowaves are harmless, even at that close range. Others, however, think, “The jur