填空题 {{B}}PART FOUR{{/B}}
{{B}} · Read the following text.
· Choose the best word to fill each gap.
· For each question 21--30, mark one letter A, B, C or D.{{/B}}
Between now and 2005,{{U}} (21) {{/U}}services will become commonplace. Business and economy-ties? Web services will be introduced; and consumers will{{U}} (22) {{/U}}their digital identities. Not only will the Net support a variety of new access devices, but it will also become the primary vehicle for voice, data and video{{U}} (23) {{/U}}. Already, a group of communication giants, including AT&T,{{U}} (24) {{/U}}an alliance called Embedded Internet, which aims to accelerate the market for globally networked, intelligent devices in homes, offices and factories worldwide.
Putting everything and everyone on the Net will open up new commercial opportunities For example, when you visit a new place, your mobile device, knowing your preferences will{{U}} (25) {{/U}}suggest the restaurants that serve your favorite wines and foods, list the shows you might like to see, then provide you with maps for how to get there, says Joy, whose company is designing Jini, a{{U}} (26) {{/U}}system to automatically link computing devices. The new services electronically link up buyers and sellers who{{U}} (27) {{/U}}no prior contact and may want to do business with each other only once.
These{{U}} (28) {{/U}}will take bandwidth and lots of it. Some of the sector's biggest companies are working on making the internet 1,000 times faster and more reliable. Internet service providers will charge accordingly, just as travelers pay different{{U}} (29) {{/U}}for first or second class. The system is supposed to give consumers flexibility, allowing them to{{U}} (30) {{/U}}bandwidth when they need it.
【正确答案】 B
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【正确答案】 A
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【正确答案】 A
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【正确答案】 C
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【正确答案】 B
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【正确答案】 A
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【正确答案】 B
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【正确答案】 C
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【正确答案】 D
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【正确答案】 A
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