[单选题]6.下列属于证书取消阶段的是
A证书分发
B证书验证
C证书检索
D证书过期
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Passage TwoQuestions 56 to 60 are based on the following passage.
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Vocabulary and Structure Directions:In this part there are 30 incomplete sentences.For each sentence there are fourchoices marked A,B,C and D.Choose the ONE answer that best completes the sentence.Then blacken the corresponding letter on the Answer Sheet.
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3．销售者和采购者都是企业，从订购到结算开票的全部交易过程都通过网络实现，该类电子商务系统属于
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10.多媒体技术能综合处理多种媒体信息，包括文本、图形、图像、动画、音频和视频等，这属于多媒体信息的
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1. Cultures tend to favor either a past, present, or future orientation with regard to time. A future orientation, a preference for change, is characteristic of American culture. The society encourages people to look to the future rather than to the past. Technological, social, and artistic trends change rapidly and affect people's lifestyles and their relationships.Given this inclination toward change, it is not surprising that tradition plays a limited role in the American culture. Those who try to uphold traditional patterns of living or thought may be seen as rigid or "old-fashioned". In a society where change is so rapid, it is not uncommon for every generation to experience a "generation gap '. Sometimes parents struggle to understand the values of their children. Even religious institutions have had to adapt to contemporary needs of their followers. Folk singers in church services, women religious leaders, slang versions of the Bible, all reflect attempts made by traditional institutions to "keep up with the times".High rates of change, particularly in urban areas, have contributed to a focus on the future rather than the past or present. Some Americans believe that the benefits of the future orientation are achievement and progress which enable them to have a high standard of living. Others believe that high blood pressure and stomach ulcers are the results of such a lifestyle.As individuals in a culture, we all have an intuitive understanding about how time is regulated. Usually we do not think about the concept of time until we interact with others who have a different time orientation. Although individuals from any two cultures may view time similarly, we often sense that in another culture, life seems to proceed at either a slower or faster pace. Knowing how time is regulated, divided, and perceived can provide valuable insights into individuals and their cultures.(5分)1.1 American orientation toward the future might be demonstrated by____.(1分)A. the presence of religious institutionsB. the preference for "old-fashioned" parentsC. the limited role of traditionD. the presence of folk singers in church services
