Directions: This part consists of one passage. In each passage there are altogether 10 mistakes, one in each numbered line. You may have to change word, add a word or delete(删去) a word. If you change a word, cross it out and write correct word in the corresponding blank. If you add a word, put an insertion mark (∧) in the right place and write the missing word in the blank. If you delete a word, cross it out and put a slash (/) in the blank.
One of the three major commercial networks, CBS were organized 1. ____
in l928 which its founder, William Paley, acquired 2. ____
ownership of a group of radio stations. As the
Columbia Broadcasting System expanded its operations,
soon become the largest radio network in the 3. ____
United States, it precociously recognized the potential
for the rapidly evolved television broadcasting 4. ____
technology. On July 13th, 1931, it began experimentally 5. ____
television broadcasting in New York, and ten years later
began regular black and white week broadcasts over 6. ____
its WCBW TV station in the same city, that became 7. _ __
WCBS TV in November 1946. With Television City
in Hollywood, CBS launched the industry’s first full
scale production studio.
Today CBS owns television stations, radio stations,
and home video production and distribution interests.
The CBS \ Broadcasting Group composed of six 8. ____
divisions ： television network, entertainment, sports,
news, local television stations, and radio.
For most of commercial television history, CBS
has been the leader in prime-time ratings, having the
highest-rated shows in almost every year from the
mid 1950s through the mid 1980s. During the late
1980s, however, CBS lost its top position from NBC. 9. ____
CBS has traditionally been strong in the TV
news area. The network began the first regular TV news
program in l948 with Douglas Edwards as anchor,
Journalism legends such as Edward R. Murrow and
Walter Cronkite gave CBS its reputation as quality 10. ____