题型:阅读理解 题类: 难易度:普通
外研版(2019)选择性必修 第三册Unit 2 A life’s work分层跟踪检测(一)Starting out & Understanding idea
Max Mathews has been called the father of computer music.He created electronic tools so that people could use computers as musical instruments.He had a great influence on the development of electronic music and how it is written,recorded and played.
In 1957,Mathews wrote the first computer program that enabled a computer to create sound.At that time,he was working as an engineer at Bell Laboratories in New Jersey.His computer program enabled a large IBM computer to play a 17 seconds piece of music that he had written.The computer was so slow that it would have taken an hour to play the piece of music in 17 seconds.For that reason,Mathews moved the work to a tape player,which could be sped up to play the music at a normal speed.He later said that the sound quality of the musical notes was not great,but the technical importance of the music was huge.
Mathews continued creating other versions of the music program.He became interested in how computers could help musicians outside recording studios.The Groove program he developed was the first computer program made for live performances.
He also developed an electronic device he called the Radio Baton.The device looks like two drum sticks.It enables the user to control the speed and sound levels of orchestral music playing on a computer.The user does this by moving the two sticks on a special electronic surface.
Mathews believed modern musicians are not making full use of the power of computer music.He said a violin always sounds like a violin.But with a computer,the way a violin sounds is unlimited.He said he didn't want computer sounds to replace live music.But he said he hoped laptop computers would one day be considered serious instruments.
The 2019 Beijing Horticultural Expo, the largest of its kind, has chosen the theme "Live Green, Live Better". The expo, opened on April 29 in Yanqing District of Beijing, is scheduled to last for 162 days until October 7.
Tickets available
*Standard day ticket
*Designated day ticket
*Discounted ticket
*Group ticket
Designated days
*Labor Day holiday (May 1-4)
*Dragon Boat Festival holiday (June 7-9)
*Mid-Autumn Festival holiday (Sept 13-15)
*National Day holiday (Oct 1-7)
Tickets prices
*Standard day ticket: 120 yuan
*Ordinary designated day ticket: 160 yuan
*Discounted standard day ticket: 80 yuan
*Discounted designated day ticket: 120 yuan
Tickets are free for children under the age of six or shorter than 130 centimeters. Discounted tickets are available for those with disabilities, seniors (people aged at 60 or above), children, students and PLA soldiers.
Where to buy
Visitors can buy or book tickets from two online agents, seven travel agencies, or three event channels—the event WeChat account, the event app or Onsite ticket kiosks.
Opening hours
Opening at | Deadline for ticket sales | Deadline for admission | Closing at |
8 am | 6 pm | 6:30 pm | 9 pm |
Requirements
Buying tickets for Expo 2019 Beijing requires real-name registration, and all visitors are required to input information from their ID cards (or valid passports, mainland travel permits for Hong Kong and Macao residents, and mainland travel permits for Taiwan residents) to buy or book tickets online.
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