第六部分：完形填空（第51～65题，每题1分，共15分）
下面的短文有15处空白，请根据短文内容为每处空白确定1个最佳选项。

I'll Be Bach

Composer David Cope is the inventor of a computer program that writes original works of classical music. It took Cope 30 years to develop the software. Now most people can't _____(51)the difference between music by the famous German composer J. S. Bach (1685-1750) and the Bach-like compositions from Cope's computer.
It all started in 1980 in the United States, when Cope was trying to write an opera. He was having _____(52)thinking of new melodies, so he wrote a computer program to create the melodies. At first this music was not_____(53)to listen to. What did Cope do? He began to rethink how human beings compose music. He realized that composers, brains_____(54)like big data bases. First, they take in all the music that they have ever heard. Then they take_____(55)the music that they dislike. Finally, they make new music from what is_____(56). According to Cope, only the great composers are able to create the database accurately, remember it, and form new musical patterns from it.
Cope built a_____(57)database of existing music. He began with hundreds of works by Bach. The software analyzed the data a_____(58)it down into smaller pieces and looked for patterns. It then combined the_____(59)into new patterns. Before long, the program could compose short Bach-like works. They weren't good, but it was a start.
Cope knew he had more work to do-he had a whole opera to write. He continued to improve the software. Soon it could_____(60)more complex music. He also added many other composers, including his own work to the database.
A few years later, Cope's computer program, called "Emmy", was ready to help him with his opera. The_____(61)required a lot of collaboration between the composer and Emmy. Cope listened to the computer's musical ideas and used the_____(62)that he liked. With Emmy, the opera took only two weeks to finish. It was called Cradle Falling, and it was a great_____(63)! Cope received some of the best reviews of his career, but no one knew exactly_____(64)he had composed the work.
Since that first opera, Emmy has written thousands of compositions. Cope still gives Emmy feedback on what he likes and doesn't like of her music, _____(65)she is doing most of the hard work of composing these days!
51._____
A.Make
B.tell
C.Take
D.understand
52._____
A.trouble
B.time
C.fear
D.pleasure
53._____
A.Loud
B.peaceful
C.classic
D.easy
54._____
A.Feel
B.look
C.sound
D.work
55._____
A.in
B.at
C.with
D.out
56._____
A.added
B.left
C.created
D.released
57._____
A.Small
B.huge
C.Simple
D.colorful
58._____
A.cut
B.drop
C.broke
D.turned
59._____
A.parts
B.programs
C.ideas
D.pieces
60._____
A.play
B.hear
C.collect
D.analyze
61._____
A.stage
B.process
C.period
D.application
62._____
A.ones
B.cases
C.others
D.sides
63._____
A.loss
B.end
C.success
D.rush
64_____
A.when
B.how
C.what
D.why
65._____
A.but
B.until
C.so
D.because
名师答案：BADDD　BBCDD　BACBA