11. He soon received promotion, for his superiors realized that he was a man of considerable _____.

[A] future

[B] possibility

[C] ability

[D] opportunity

12. Britain has the highest _____ of road traffic in the world—over 60 cars for every mile of road.

[A] density

[B] intensity

[C] popularity

[D] prosperity

13. CCTV programs are _____ by satellite to the remotest areas in the country.

[A] transferred

[B] transported

 [C] transformed

[D] transmitted

14. An energy tax would curb ordinary air pollution, limit oil imports and cut the budget _____.

[A] disposition

[B] deficit

 [C] defect

[D] discrepancy

15. The government will _____ a reform in the educational system.

[A] initiate

[B] initial

[C] initiative

[D] intimate

16. Estimates _____ anywhere from 600 000 to 3 million. Although the figure may vary, analysts do agree on another mater: that the number of the homeless is increasing. One of the federal government’s studies predicts that the number of the homeless will reach nearly 19 million by the end of this decade.

[A] cover

[B] change

[C] differ

[D] range

17. As time went by, computers became smaller and more powerful, and they became “personal” too, as well as institutional, with display becoming sharper and storage _____ increasing.

[A] ability

[B] capability

[C] capacity

[D] faculty

18. It soon becomes clear that the interior designer’s most important basic _____ is the function of the particular space. For example, a theater with poor sight lines, poor sound-shaping qualities, and too few entries and exits will not work for its purpose, no matter how beautifully it might be decorated.

[A] care

[B] concern

 [C] attention

[D] intention

19. The purpose of non-REM sleep is even more mysterious. The new experiments, such as those _____ for the first time at a recent meeting or the society for Sleep Research in Minneapolis, suggest fascinating explanations for the purpose of non-REM sleep.

[A] maintained

 [B] described

[C] settled

 [D] afforded

20. Changes in the social structure may indirectly _____ juvenile crime rates. For example, changes in the economy that lead to fewer job opportunities for youth and rising unemployment in general make gainful employment increasingly difficult to obtain.

[A] affect

[B] reduce

[C] check

[D] reflect