Human beings havealways had an ability to attend to several things at once. Nor is electronic multitasking entirely new:We’ve been driving while listening to car radios since they became popular inthe 1930s. but there is no doubt that multitasking has reached a kind of warpspeed in the era of Web-enabled computers, when it has become routine toconduct several IM( 及时通讯 )conversations, watch TV and use the computer all at once 。 But what ’ s the impact of this media consumption? And how are thesemultitasking devices changing how kids learn, reason and communicate with oneanother ?Social scientists and educators are just beginning to deal with thesequestions, but the researchers already have some strong opinions 。 Although multitasking kids may be better prepared in some ways fortoday ’ s fast-paced work placed, Many scientists are positively alarmed bythe trend 。 Kids that are instant messaging while doing homework, playing gamesonline and watching TV, aren ’ t going to do well in the long run 。 On the positive side, multitasking students tend to beextraordinarily good at finding and using information. And probably becausemodern childhood centers around visual( 视觉的 )rather than printmedia, they are especially skilled at analyzing visual data and images 。 Many educators and psychologists say parents need to actively ensurethat their teenagers break free of uncontrollable engagement with screens andspend time in the physical company of human beings — a growingchallenge not just because technology offers such a handy option but because somany teenagers and college students say overcommitted( 任务过量的 )schedulesdrives much of their multitasking 。 Just as important is for parents and educator to teach kids that it ’ s valuable,even essential, to occasionally slow down, unplugs and take time to enjoy life beyondthe screen 。 21. What is the main idea of this passage? A. How is multitasking define ( 定义 )in the informationage? B. How do people see new technology and the social change it bringsabout? C. How does technology change modern family life? D. What ’ s the impact of multitasking on young people? 22. The expression “ warp speed ” in the first paragraph is closest in meaning to____ 。 A. Low speed B. Too much time alone 。 C. high speed D. steady speed 23. According to some teenagers and college students ,what causestheir multitasking? A. Overcommitted schedules B. Too much time alone C. Inability to focus D. Fear of being neglected 24. According to the passage, which of the following statement isTRUE? A. Humans have begun to engage in the multitasking behaviors sincethe information age 。 B. Multitasking is a critical skill that students are required tolearn at school 。 C. Only parents can help their kids to get rid of the multitaskinghabits 。 D. multitasking may prepare students for the reality of today ’ s fast-paceswork environment 。 25. What do educators and psychologist advise parents to do theirmultitasking kids? A. To cut off home internet connection 。 B. To seek medical treatment 。 C. To encourage their kids to have some social life 。 D. to helptheir kids to set personal goals 6 、 The reflectivetowers of New York City , which is on the Atlantic migrating( 迁徙的 )route , can bedeadly for birds. “ We live in an age of glass ,” said Ms.Laurel , anarchitect. “ It can be a perfect mirror in certain lights , and thelarger the glass , the more dangerous it is. ” About 90 , 000 birdsare killed by flying into building in the city each year. Often , they strikethe lower levels of glass towers after searching for food in nearby parks. Suchcrashes are the second-leading cause of death for migrating birds , afterhabitat( 栖息地 )loss , with an estimated number of death ranging up to a billion a year. As glass office and apartment towers have increased in the lastdecade , so , too , have calls to make them less deadly to birds. San Francisco adoptedbird-safety standard for new building in July. The United States Green BuildingCouncil , a nonprofit industry group that encourages the creation ofenvironmentally conscious buildings , will introduce abird-safety credit this as part of its environmental certification process. There are no easy fixes , however. A fewresearchers are exploring glass designs that use ultraviolet( 紫外线的 )signals , but they arestill in their infancy. Covers , dot patterns , shades and net are the main options available. Often , onlly one section of a building needs to be changed. “ You don ‘ tnecessarily have to treat every window ,” Ms.Laurel said. “ It would betoo expensive to do the whole building. ” The JacobConvention Center , which has been undergoing alterations , the most recent buildingto voluntarily correct the problem of bird crashes. The architects used lessreflective glass and dot patterns. 26. What is the main idea of the passage? A. New York is a city of glass towers. B. Glass tower are dangerous for migrating birds. C. New York adopted new safety standards for buildings. D. Glass towers are a new trend in the United States. 27. What is the number one cause of death for migrating birds? A. Climate change B. Habitat loss C. Lack of food D. Crashing into buildings. 28. What does the word “ fixes ” in thethird paragraph probably mean? A. Choices B. Explanations C. Solutions D. Developments 29. _____are used in the alteration of the Jacob K. JavitsConvention Center. A. Dot patterns B. Shades C. Nets D. Covers 30. Which of the fowling statements is TRUE according to thepassage? A. In many cases , the whole building needs to be altered to prevent bird crashes. B. The Jacob K.Javits Convention Center is the first building todeal with the problem of bird crashes. C. About 90 , 000 birds are killed due to habitat loss in New York City each year. D. Unfortunately , glass designs that use ultraviolet signals are still in their earlystages.