单项选择题

A．The local Africans are very peace-loving people.
B．Soda bottles are very precious in some remote areas.
C．A trivial thing may sometimes bring about undesirable consequences.
D．Caution must be taken in introducing new technology.
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单项选择题
A．The development of computer.B．How the computer affect different areas especially the business field.C．People are keen on the information superhighways and the Internet.D．The difference between portable computer and personal computer.
A．The development of computer.
B．How the computer affect different areas especially the business field.
C．People are keen on the information superhighways and the Internet.
D．The difference between portable computer and personal computer.
单项选择题
A．His father pulled him out in time.B．He stayed in an icebox.C．He left the area before the earthquake.D．Their house escaped the earthquake.
A．His father pulled him out in time.
B．He stayed in an icebox.
C．He left the area before the earthquake.
D．Their house escaped the earthquake.
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