文档介绍：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 isa 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. 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. CATV began in 1948. People in places far from TV stations shared the cost of putting up high antennas. munity antenna was usually placed ona hill, a mountain, or ona 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. 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. 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. 1. From the first paragraph we know that ________. A. most people use cable television B. "community antenna" is another name for "regular antenna" antenna is used for cable television D. regular antennas cannot pick up TV signals programs 2. Of the following, which is NOT the way TV signals travel? A. Ina curve. B. Ina straight line. C. In all direction. D. Toward the horizon. 3. Cable TV is ing more and popular because _____________. A. it is free of charge B. it can provide more programs C. it provides all TV users good pictures D. TV sets with regular antennas can also have a good reception through CATV 4. On the