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  3. Broadband technology is seen as the key to the new digital economy. In this rapidly changing world, media and technology informa

Broadband technology is seen as the key to the new digital economy. In this rapidly changing world, media and technology informa

admin2020-11-14  46
问题    Broadband technology is seen as the key to the new digital economy. In this rapidly changing world, media and technology information can be sent via phone calls and downloads like music, graphics, business information or films.
   Broadband is used for high speed Internet connections at a fixed monthly rate. It turns an exciting telephone line into a high speed digital line capable of carrying data up to 40 times conventional modem speeds.
   For home owners and families there are many advantages. One of the most important is simultaneous access to both telephone lines and the Internet. For businesses, broadband can improve customer relations and provide direct access to corporate e-mails and databases. Entire operations can go online.  
The function that broadband technology has on the new digital economy is_______.
选项 A、further
B、crucial
C、costly
D、global
答案B
解析 从文章第一句“Broadband technology is seen as the key to the new digital economy”可知宽带技术被看作新数字经济的关键所在。可推断出宽带技术在新数字经济中发挥了至关重要的(crucial)作用。因此选B。
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