同等学力申硕士英语完形填空第三课

第三课

 

Directions : In this part, there is a passage with ten blanks. For each blank there are four choices marked A, B, C, and D. Choose the best answer for each blank and mark your answer on the Answer Sheet.

 

Cloud computing(云计算)means storing and accessing data and programs over the Internet instead of your computer's hard drive. It 46 computing over a network, where a program or application may run on many connected computers at the same time.

 

For some, cloud computing is a metaphor(隐喻) for the Internet. It 47 uses connected hardware machines called servers. Individual users can use the server's processing power to run an application, store data, or 48 any other computing task.

 

For businesses, cloud computing is an ideal way to reduce 49 . For example,companies may buy services in the cloud. That is to say, instead of 50 applications on every single computer in the company, cloud computing would allow workers to log into a Web-based service (a cloud) which hosts all the 51 individual users would need for their job.

 

While cloud computing could change the entire computer industry, there are still some 52 about the security of the data stored on the remote machines. It is true that it promises to save a lot of work. However, this technology 53 a fundamental question. Is it safe to store one's data on someone else's computer? The cloud service provider needs to establish relevant policies that describe 54 the data of each cloud user will be accessed and used.

 

Cloud service users should also be able to encrypt(加密) 55 that is processed or stored within the cloud to prevent unauthorized access.

 

46.A.predicts  B. involves  C. replaces  D.affects

 

47. A. necessarily  B. possibly  C.typically  D.really

 

48.A.get  B. perform  C.show  D.assign

 

49.A.expenses  B.money  C. income  D.profits

 

50. A. writing  B. developing  C.fitting  D.installing

 

51. A. schedules  B.programs  C. projects  D. documents

 

52. A. concerns  B.cases  C. advantages  D.effects

 

53. A. proposes  B. collects  C. manages  D. raises

 

54. A. whether  B.why  C.what  D.how

55. A. system  B. data  C. storage  D.knowledge