全国职称英语等级考试全真题(理工类)l

全国职称英语等级考试全真题(理工类)l全国职称英语等级考试全真题(理工类)第一部分 阅读理解 (75 分) Passage 1 CATV is a short way of saying "community antenna (天线) television." But "cable television" is the term most people use. Cable television allows viewers to receive TV programs that they cannot pick up with their regular antennas. 文档收集自网络，仅用于个人学习Television signals do not follow the curve (曲线) of the earth. They travel in straight lines in all directions. Signals from a TV station move toward the horizon (水平线) and then go into space. If you live only a few miles from a station, you may not get any picture at all. 文档收集自网络，仅用于个人学习CATV began in 1948. People in places far from TV stations shared the cost of putting up high antennas. A community antenna was usually placed on a hill, a mountain, or on a high tower. The antenna picked up TV signals and fed them into a small local station. From the station, thick wires called cables ran out to nearby homes. Each person using the cable paid a monthly charge. 文档收集自网络，仅用于个人学习CATV worked well, and soon new uses were found for it. Local stations could feed programs into empty channels that were not in use. People along the cable could have local news, weather reports, and farm and school news at no extra charge. 文档收集自网络，仅用于个人学习Today, cable television has moved into cities. It brings in extra programs that city viewers with regular antennas cannot see. It is also used in many classrooms throughout the country. 文档收集自网络，仅用于个人学习1. From the first paragraph we know that ________. A. most people use cable television B. "community antenna" is another name for "regular antenna" 文档收集自网络，仅用...