The following paragraphs are taken from the textbooks, followed by a list of words or expressions marked A to Y. Choose the one that best completes each of the sentences. One word or expression for each blank only.

Between Elvis and Alice, rock critics say, a number of rock stars have helped our society____1____its beliefs and attitudes. Bob Dylan touched a____2____of disaffection. He spoke of____3____rights, nuclear fall-out, and loneliness. He spoke of change and of the bewilderment____4____an older generation. "Something's happening here," he sang. "You don't know what it is, do you, Mr Jones?" Others entered the debate. The Beatles, Horowitz said, ____5____peace and piety, with humor and maybe a little help from drugs.
It was at three the next afternoon (alarm clock time) that an officer entered the cell: the first officer they had seen____6____weeks—and this one was very young, with____7____even in the shape of his mustache which he had shaved too much on the left side. He was as embarrassed as a schoolboy____8____his first entry on a stage at a prize-giving, and he spoke____9____so as to give the impression of a strength he did not ____10____.
For minutes at a time this kind of thing would be running____11____my head: "He pushed the door open and entered the room. A yellow____12____of sunlight, filtering through the muslin curtains, ____13____on to the table, where a matchbox, half open, lay beside the inkpot. With his right hand in his pocket he moved____14____to the window. Down in the street a tortoiseshell cat was____15____a dead leaf," etc., etc. This habit continued till I was about twenty-five, right through my non-literary years.
Newspapers have two great advantages____16____television. They can be used by men as____17____against their wives. It is still the only____18____screen against the morning features of the loved one, and, as____19____performs a unique human service. The second advantage is that you can't line a garbage pail with a television set—it's____20____the other way around.
Companies pursuing product leadership continually push products into the realm of the unknown, the____21____or the highly desirable. Reaching that goal requires that they challenge themselves in three ways. First, they must be creative. More than anything else, being creative means____22____and embracing ideas that may originate____23____inside the company or out. Second, they must____24____their ideas quickly. Third and most important, they must____25____pursue ways to leapfrog their own latest product or service.
A. define   B. such   C. slanted   D. abruptly   E. commercialize
F. over   G. nerve   H. usually   I. beam   J. possess
K. for   L. barriers   M. civil   N. untried   O. through
P. chasing   Q. inexperience   R. effective   S. of   T. recognizing
U. relentlessly   V. across   W. making   X. anywhere   Y. urged