2014年6月大学英语四级冲刺试题及答案(第五套)

　　Section I Use of English

　　Directions:

　　Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET. (10 points)

　　As many people hit middle age, they often start to notice that their memory and mental clarity are not what they used to be. We suddenly can’t remember 1 we put the keys just a moment ago, or an old acquaintance’s name, or the name of an old band we used to love. As the brain 2 ,we refer to these occurrences as “senior moments.” 3 seemingly innocent, this loss of mental focus can potentially have a(n) 4 impact on our professional , social ,and personal 5 .

　　Neuroscientists, experts who study the nervous system, are increasingly showing that there’s actually a lot that can be done. It 6 out that the brain needs exercise in much the same way our muscles do, and the right mental 7 can significantly improve our basic cognitive 8 .Thinking is essentially a 9 of making connections in the brain. To a certain extent, our ability to 10 in making the connections that drive intelligence is inherited. 11___, because these connections are made through effort and fluctuate __12_ mental effort.

　　Now,a new Web-based company has taken it a step __13__ and developed the first "brain training Program"designed to actually help people improve and regain their mental __14__.

　　The Web-based program 15 you to systematically improve your memory and attention skills. The program keeps 16 of your progress and provides detailed feedback 17 your performance and improvement. Most importantly, it 18 modifies and enhances the games you play to 19 on the strengths you are developing-much like a(n) 20 exercise routine requires you to increase resistance and vary your muscle use.

　　1. [A] where [B] when [C] that [D] why

　　2. [A] improves [B] fades [C] recover [D] collapses

　　3. [A] unless [B] while [C] once [D] if

　　4. [A] damaging [B] limited [C] uneven [D] obscure

　　5. [A] relationship [B]environment [C] welling [D]outlook

　　6. [A] figures [B] finds [C] points [D] turns

　　7. [A] responses [B] roundabout [C] workouts [D] associations

　　8. [A] genre [B] criterion [C] circumstances [D] functions

　　9. [A] channel [B] sequence [C] process [D] condition

　　10. [A] feature [B] excel [C] persist [D] believe

　　11. [A] however [B]moreover [C]otherwise [D] therefore

　　12. [A] instead of [B] according [C] apart from [D] regardless

　　13. [A] further [B] back [C] aside [D] around

　　14. [A] framework [B] stability [C] flexibility [D] sharpness

　　15. [A] hurries [B] reminds [C] allows [D] forces

　　16. [A] hold [B] track [C] order [D] pace

　　17. [A] to [B] with [C] for [D] on

　　18. [A] constantly [B] habitually [C] irregularly [D] unusually

　　19. [A] put [B] carry [C] build [D] take

　　20. [A] idle [B] familiar [C] risky [D] effective