【正文】 A) a new way of highway speed controlB) a new pattern for painting highwaysC) a new approach to training driversD) a new type of optical illusion27. On roads painted with chevrons drivers tend to feel that.A) they should avoid speed related hazardsB) they are driving in the wrong laneC) they should slow down their speedD) they are approaching the speed limit28. The advantage of chevrons over straight，horizontal bars is that the former .A) can keep drivers awakeB) can cut road accidents in halfC) will have a longer effect on driversD) will look more attractive29. The American Association Foundation for Traffic Safety plans to .A) try out the Japanese method in certain areasB) change the road signs across the countryC) replace straight，horizontal bars with chevronsD) repeat the Japanese road patterns30. What does the author say about straight，horizontal bars painted acr oss roads?A) They are falling out of use in the United States.B) They tend to be ignored by drivers in a short period of time.C) They are applicable only on broad roads.D) They cannot be applied successfully to traffic circles..Questions 31 to 35 are based on the following passage:Amtrak(美國鐵路客運(yùn)公司)was experiencing a downswing in riders hip (客運(yùn)量)along the lines prising its rail major concern t o Amtrak and its advertising agency DDB Needham，were the long distance wester n routes where ridership had been declining one time，trains w ere the only practical way to cross the vast areas of the were fast，ver，’luxurious，and quite convenient pared to other forms of transportation existing at the ，times change and the automolile became America’s standard of ，air travel had easily established itself as the fastest method of traveling great distances .Therefore，the task for DDB Needham was to encourage consumers to consider other aspects of train travel in order t o change their attitudes and increase the likelihood that trains would be consid ered for travel in the 3 portions of the total market were targeted: 1) anxious fliers those concermed with safety，relaxation，and cleanliness and 2) travel lovers those viewing themselves as relaxed，casual，and interested in the travel ecperience as part of their agency then developed a campaign that focused on travel experiences such as freedom，escape，relaxation，and enjoyment of the great western stressed experiences gained by u sing the trains and portrayed western train trips as wonderful tisements showed pictures of the beautiful scenery that could be enjoyed along s ome of the more famous western routes and emphasized the romantic names of some of these trains(Empire Builder，etc.).These ads were strategically placed among family oriented TV shows and programs involving nature and America in order t o most effectively reach target Empire Bu was focused on in one a 15 percent increase in profits on its Chicago to Seattle route. 31. What’s the author’s purpose in writing this passage?A) To show the inability of trains to pete with planes with respect to speed and convenience.B) To stress the influence of the automobile on America’s standard of convenience.C) To emphasize the function of travel agencies in market promotion.D) To illustrate the important role of persuasive muniation in changing consum er attitudes.32. It can be inferred from the passage that the drop in Amtrak ridership was due to the fact that ______ .A) trains were not suitable for short distance passenger transportationB) trains were not the fastest and most convenient form of transportationC) trains were not as fast and convenient as they used to beD) trains could not pete with planes in terms of luxury and convenience 33. To encourage consumers to travel by train，DDB Needham emphasized ______ .A) the freedom and convenience provided on trainsB) the practical aspests of travelC) the adventurous aspects of train tripsD) the safety and cleanliness of train trips34. The train ads were placed among family oriented TV programs involv ing nature and America because ______ . 4 A) they could focus on meaningful travel experiencesB) they could increase the effectiveness of the TV programsC) their profits could be increased by some 15 percentD) most travel lovers and nervous fliers were believed to be am