【正文】 hington planning to repeat Japan’s next year, the foundation will paint chevrons and other patterns of stripes on selected roads around the country to test how well the patterns reduce highway speed plays a major role in as much as one fifth of all fatal traffic accidents, according to the help reduce those accidents, the foundation will conduct its tests in areas where speedrelated hazards are the greatest—curves, exit slopes, traffic circles, and studies suggest that straight, horizontal bars painted across roads can initially cut the average speed of drivers in , traffic often returns to full speed within months as drivers bee used to seeing the painted , scientists say, not only give drivers the impression that they are driving faster than they really are but also make a lane appear to be result is a longer lasting reduction in highway speed and the number of traffic : The passage mainly )a new way of highway speed controlB)a new pattern for painting highwaysC)a new approach to training driversD)a new type of optical illusion【答案解析】A。后面兩段具體介紹自動高速公路系統(tǒng)是如何工作的。有些英語作者喜歡和讀者捉迷藏，有時出題老師也愿意找這類文章給考生設置一些障礙。3）前后呼應。主旨題的題目形式一般為：The passage is mainly about of the following expresses the main idea of the passage?What is the general topic of the passage?The author is mainly concerned with main theme of the passage is 2 is mainly about of the following best summarizes the author’s opinion?What is the author’s purpose in writing this passage?The best title of this passage is ：1）開門見山。絕大多數(shù)的文章主題句出現(xiàn)在開頭。即文章開頭點題，結尾總結，首尾結合給出主題。例一：主題句在文章開頭（見上述頭兩例）例二：主題句在文章結尾Sport is not only physically challenging, but it can also be mentally from coaches, parents, and other teammates, as well as pressure to win can create an excessive amount of anxiety or stress for young athletes（運動員）.Stress can be physical, emotional, or psychological and research has indicated that it can lead to has been described as dropping or quitting of an activity that was at one time early years of development are critical years for learning about sport setting is one where valuable experiences can take athletes can, for example, learn how to cooperate with others, make friends, and gain other social skills that will be used throughout their and parents should be aware, at all times, that their feedback to youngsters can greatly affect their may take their parents’ and coaches’ criticisms to heart and find a flaw（缺陷）in and parents should also be cautious that youth sport participation does not bee work for oute of the game should not be more important than the process of learning the sport and other life today’s youth sport setting, young athletes may be worrying more about who will win instead of enjoying themselves and the a game, many parents and coaches focus on the oute and find fault with youngsters’ reinforcement should be provided regardless of the indicates that positive reinforcement motivates and has a greater effect on learning than , criticism can create high levels of stress, which can lead to 。請讀下面的文章并且找到主題句，做出主旨題。文章以日本和美國在高速公路上噴涂不同圖案的條帶為例，闡述了利用視覺錯覺可以減緩高速公路上的車速，并減少交通事故的