p;B.Newsweek.
C.Washington Post. D.Not mentioned in the passage
27.Nowadays, electronic image alterations are .
A.unbearably expensive
B.more expensive in the States
C.only available in chain stores
D.far less expensive than before
28.The digitized alteration technique is .
A.developing with great care
B.very capable and developing rapidly
C.strongly criticized due to its easy access
D.fatal in destroying the certainty of photographic evidence
29.According to the passage, which of the following statements is NOT true?
A.With digitized alteration techniques, a photograph may be scanned, digitized and altered.
B.With digitized alteration techniques, the digitized images can be stored in a data base or transformed for video-screen display.
C.With digitized alteration techniques, both suppliers and consumers of photographic information are able to tell fact from falsehood in the image they use.
D.With digitized alteration techniques, it is possible for the computer operators to control the image almost in any conceivable way.
30.What is the author’s attitude toward the technique of digitized image manipulation?
A.Critical. B.Objective.
C.Indifferent. D.Supportive.
Passage 3
The importance of symbols as a source of cultural diversity can be seen in the dress codes and hairstyles of different societies. In most situations, the symbolism of clothing and hairstyles communicates different messages ranging from political beliefs to identification with specific ethnic or religious groups. The tartan(格子呢) of a Scottish clan, the black leather jacket and long hair of a motorcycle gang member in the United States, and the veil of an Islamic woman in Saudi Arabia provide a symbolic vocabulary that creates cultural diversity.
Many examples of clothing styles could be used to illustrate how symbols are used to produce cultural diversity. Consider, for instance, changing dress codes in the United States. During the 1960s, many young people wore jeans, sandals, and beads to symbolize their rebellion against what they conceived as the conformist inclinations of American society. By the 1980s, many of the same people were wearing “power suits” as they sought to advance up the corporate ladder.
An example of how hairstyles can create meaningful symbolic codes can be seen in a group known as the Rastafarians(sometimes known as Rastas or Rastaman) of Jamaica. The majority of the people of Jamaica are of African descent. During the eighteenth and nineteenth centuries, they were brought to Jamaica by European slave traders to work on plantations. The Rastafarians are a specific religious group within Jamaica who believe that Haile Selassie(1892-1975), the former emperor of Ethiopia, whose original name was Ras Tafari, was the black Messiah wh