14.Motorists who used to listen to the radio or their favorite tunes on CDs may have a new way to entertain themselves,after engineers in Japan developed a musical road surface.
A team from the Hokkaido Industrial Research Institute has built a number of"melody roads",which use cars as tuning forks to play music as they travel.
The concept works by using grooves(凹槽).They are cut at very specific intervals in the road surface.The melody road uses the spaces between to create different notes.
Depending on how far apart the grooves are,a car moving over them will produce a series of high or low notes,and designers are able to create a distinct tune.
Paten documents for the design describe it as notches"formed in a road surface so as to play a melody without producing simple sound or rhythm and reproduce melody-like tones."
There are three musical strips in central and northern Japan-one of which plays the tune of a Japanese pop song.Reports say the system was invented by Shizuo Shinoda.He scraped some markings into a road with a bulldozer before driving over them and found that they helped to produce all kinds of tones.
The optimal speed for melody road is 44kph,but people say it is not always easy to get the intended sound.
"You need to keep the car windows closed to hear well,"wrote one Japanese blogger."Driving too fast will sound like playing fast forward,while driving around 12mph[20km/h]has a slow-motion effect,making you almost car-sick."
 
28.We can learn from the passage that the highness of notes is depended on.A
A.how far the grooves are        
B.how big the grooves are
C.the number of the grooves
D.the speed of the car
29.The underlined word"optimal"in the passage might meanC
A.fastest    B.possible      C.best      D.slowest
30.In order to hear the music well,you have toD
A.drive very fast
B.drive slowly    
C.open the windows wide
D.keep the windows closed
31.What's the best title of the passage?B
A.A New Type of Music
B.Melody Roads in Japan
C.A Musical Road Surface
D.A New Invention in Japan.

分析 日本發(fā)明音樂路面,聲音的高低取決于凹槽的間距,車速影響音樂的效果.

解答 28.A 細節(jié)理解題.根據(jù)句子Depending on how far apart the grooves are,a car moving over them will produce a series of high or low notes,and designers are able to create a distinct tune.可知,聲音的高低取決于凹槽的間距,因此正確答案為A.
29.C 細節(jié)理解題.根據(jù)文章倒數(shù)第二段The optimal speed for melody road is 44kph,but people say it is not always easy to get the intended sound.旋律之路的最佳速度是44kph,但人們說這是不容易得到想要的聲音.,并聯(lián)系上下文可以推斷,optimal在這里是"最佳的,最理想的",因此正確答案為
30.D 細節(jié)理解題.根據(jù)文章最后一段第一句話You need to keep the car windows closed to hear well,你需要保持車窗關閉聽好了,可以得出選項D正確.其余三項都與原文說法不符.
31.B 標題歸納題.文章講述的是日本發(fā)明音樂路面的事情,所以B選項符合題目.

點評 閱讀理解題測試考生在閱讀基礎上的邏輯推理能力,要求考生根據(jù)文章所述事件的邏輯關系,對未說明的趨勢或結局作出合理的推斷;或根據(jù)作者所闡述的觀點理論,對文章未涉及的現(xiàn)象、事例給以解釋.考生首先要仔細閱讀短文,完整了解信息,準確把握作者觀點.

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