单项选择题

The programs which were used by the hackers were （）

A．made by the hackers and put on computers
B．not found by the experts
C．prepackaged and found on many computers
D．hard to find

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热门试题

单项选择题

Yahoo, eBay, Amazon, CNN, Buy, eTrade and zNet are （）

A．stores on the web
B．large commercial web sites
C．small commercial web sites
D．public government web sites

单项选择题

The AIDS drugs that Lee Wildes uses are （）

A．stolen from hospitals
B．given to him by AIDS patients who have extra
C．leftovers from hospitals, clinics, or people
D．given to him by drug companies