2017年理工类B职称英语练习

2017年职称英语考试预计在3月份，为了帮助大家备考职称英语理工类完形填空题，小编分享了一些理工类B级完形填空练习，希望能对大家有所帮助!

　　2015年真题

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. (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 databases.

First, they take in all the music that they have ever 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, rememberit, and form new musical pattems from it.

Cope built a __________ (57) database of existing music. He began with hundreds of works by Bach. The software analyzed the data __________ (58) it down into smaller pieces and looked for patterns. It then combined the __________ (59) into new patterns. Beforelong, the program could compose short Bach-like works. Theyweren'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. WithEmmy, the opera took only two weeks to 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. becasue

　　2014年真题

Underground Coal Fires

Coal burning deep underground in China, India and Indonesia is threatening the environment andhuman life, scientists have warned. These large-scale __________(51) blazes cause the ground temperature to heat up and kill surrounding vegetation, produce greenhouse gases and can __________(52) ignite forest fires, a panel of scientists told the annual meeting of the American Association for the Advancement of Science in Denver. The resulting__________ (53) of poisonous elements like arsenic and mercury can also pollute local water sources and soils,they warned.

"Coal fires are a global catastrophe," said Associate Professor Glenn Stracher of East Georgia College in Swainsboro, USA. But __________ (54) few people know about them.