单项选择题

A．They were made by the hackers and put on computers.
B．They were not found by the experts.
C．They were prepackaged and found on many computers.
D．They were hard to find.
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单项选择题
A．Information on after-sales service.B．A picture of the newest computers.C．A list of software products.D．A description of laptop computers.
A．Information on after-sales service.
B．A picture of the newest computers.
C．A list of software products.
D．A description of laptop computers.
单项选择题
A．The British and other Europeans use credit cards in the same way.B．The British use credit cards more than other Europeans.C．The British use credit cards less than other Europeans.D．The British and the French use credit cards in the same way.
A．The British and other Europeans use credit cards in the same way.
B．The British use credit cards more than other Europeans.
C．The British use credit cards less than other Europeans.
D．The British and the French use credit cards in the same way.
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