单项选择题

Questions 3 and 4 will be based on the following news item.

A．Steal Amazon users" private account information.
B．Sell individual Amazon users" names and passwords.
C．Start an attack on some online shopping websites.
D．Spread a virus on online shopping websites by email.
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单项选择题
A．The PC market has picked up rapidly in the past months.B．PCs are sold at lower prices during the shopping season.C．PC shipments have gone down quickly around the world.D．PCs have longer lifecycles by upgrading their hardware.
A．The PC market has picked up rapidly in the past months.
B．PCs are sold at lower prices during the shopping season.
C．PC shipments have gone down quickly around the world.
D．PCs have longer lifecycles by upgrading their hardware.
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