单项选择题

The year 2000 problem is caused by ______.

A．a mad person
B．the inappropriate usage of the computers
C．people's misunderstanding of how fast time elapses
D．the bad quality of the computers
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单项选择题
Which of the following statements is TRUE according to the passage
A．The digital revolution began in U.S..
B．Gadget products are welcomed by everyone.
C．The digital gadgets are expected to take a stronger hold of the market this year.
D．Only scientists are aware of the advantages of the digital products.
单项选择题
After the first 18 months of sales, how many people began to use DVDs
A．Less than a million.
B．A million.
C．More than a million.
D．2 million.
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