Radios today seldom need ______ or the attention of a technician.A．to repairB．repairedC．re

Radios today seldom need ______ or the attention of a technician.

A．to repair

B．repaired

C．repairing

D．to have repaired

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发布时间：2020-09-17

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第1题

On the old-time farm in America there were chickens and turkeys. There were also cows, pig

s, and other livestock. But there were very few machines. Most of the work was done by the entire farm family with the help of a "hired" man. Sometimes extra labourers were needed in busy seasons. Horses provided 79 percent of the power used, human labor 15 percent, and machines only 6 percent.

Today all that has changed. On many modern farms machines now supply 96 percent of the power, human labor 3 percent, and horses 1 percent. Modern farms are enterprising businesses which keep only the livestock that can pay its way. The children go to school by bus every morning, the parents work on the farm or in the house, and hired help is seldom needed. Their work has been replaced by a whole army of farm machines.

Farmers in the machine age also use the new fertilizers, new sprays, new feeds, new hybrid seeds, and other helps developed by farm sciences. As a result the farmers are able to produce more food with less labour. This means fewer but larger farms and fewer but more prosperous farmers.

In old days, most of the work on a farm was done by______.

A．all the farm family

B．livestock

C．farm machines

D．both A and B

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第2题

Talk to those people who first saw films when they were silent, and they will tell you the

experience was magic. The silent film had extraordinary powers to draw members of an audience into the story, and an equally potent capacity of make their imaginations work. It required the audience to become engaged—to supply voices and sound effects. The audience was the final, creative contributor to the process of making a film.

The finest films of the silent era depended on two elements that we can seldom provide today a large and receptive audience and a well-orchestrated score. For the audience, the fusion of picture and live music added up to more than the sum of the respective parts.

The one word that sums up the attitude of the silent filmmakers is enthusiasm, conveyed most strongly before formulas took shape and when there was more room for experimentation. This enthusiastic uncertainty often resulted in such accidental discoveries as new camera or editing techniques. Some films experimented with players; the 1915 film Regeneration, for example, by using real gangsters and streetwalkers, provided startling local color. Other films, particularly those of Thomas Ince, provided tragic endings as often as films by other companies supplied happy ones.

Unfortunately, the vast majority of silent films survive today in inferior prints that no longer reflect the care that the original technicians put into them. The modern versions of silent films may appear jerky and flickery, but the vast picture palaces did not attract four to six thousand people a night by giving them eyestrain. A silent film depends on its visuals; as soon as you degrade those, you lose elements that go far beyond the image on the surface. The acting in silent was often very subtle and very restrained, despite legends to the contrary.

In paragraph 2, the sentence" For the audience. . . parts, "indicates that______.

A．music was the most important element of silent films

B．silent films rely on a combination of music and image in affecting an audience

C．the importance of music in silent film has been overestimated

D．live music compensated for the poor quality of silent film images

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第3题

This company was the first ____ portable radios as well as cassette tape recorders in th

A.to produce

B.producing

C.produced

D.having produced