单项选择题

A．Computers can bring financial problems.
B．Computers can be very useful in families.
C．Computers can bring unemployment.
D．Computerized robots can take over some unpleasant jobs.
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单项选择题
A．11-week course for control duty.B．9-week course for control duty.C．11-week course for patrol duty.D．9-week course for patrol duty.
A．11-week course for control duty.
B．9-week course for control duty.
C．11-week course for patrol duty.
D．9-week course for patrol duty.
单项选择题
A．She wasn’t really studying,B．She had furnished her house.C．She hadn’t finished writing her articles.D．She could write beautifully.
A．She wasn’t really studying,
B．She had furnished her house.
C．She hadn’t finished writing her articles.
D．She could write beautifully.
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