17．With the number of cars increasing rapidly in cities.a problem is where the cars can be p——青夏教育精英家教网——

17．With the number of cars increasing rapidly in cities，a _______ problem is where the cars can be parked．（　　）

16．The new manager has a good sense of humor，which puts people who work with him ______．（　　）

15．We are working hard to pass the entrance examination，gaining ______ to a famous university．（　　）

14．Drivers who used to listen to the radio or their favorite music on CDs may have a new way to make themselves relaxed，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（音叉）to play music as they travel．
The melody road works by using grooves（凹槽），which are cut at very specific intervals（间隔） in the road surface．The melody road uses the spaces between to create different notes．
Depending on how far away 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．
Patent documents for the design describe it as notches（刻痕）"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（地带）in central and northern Japan-one of which plays the tune（曲调）of a Japanese pop song．Reports say the system was invented by Shizuo Shinoda．He scraped some markings into a road with a bulldozer（推土机）before driving over them and found that they helped to produce all kinds of tones．
The optimal speed for melody road is 44km/h，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 20km/h has a slow-motion effect，making you almost car-sick．"
46．According to the passage，melody roads useC to create different notes．
A．cars
B．grooves
C．spaces between intervals
D．bulldozers
47．We can learn from the passage that the highness of notes is depended onA．
A．how far the grooves are
B．how big the grooves are
C．the number of the grooves
D．the speed of the car
48．The underlined word"optimal"in the passage might meanC．
A．fastest
B．possible
C．best
D．slowest
49．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
50．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．

13．Seventy percent of the students ________ taken part in the work and seventy percent of the
work __________been finished．（　　）

12．There on the shore you can see a steam-powered ship covered with dirt _____，waiting to be
taken apart．（　　）

11．When he learned that his brother had returned from abroad，he set off for his home _____．
Which of the following is not OK？（　　）

10．Based on facts，the report should be ________．（　　）

9．I was at last able to ______ my brother to follow my advice．（　　）

8．You mustcut down on sugar to lose weight．（减少）

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