单项选择题

A．Bob is serious.
B．Bob can’t help them.
C．Bob will help them.
D．Bob wants help from others.
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单项选择题
A．A television set.B．A washing machine.C．A public telephone.D．A candy machin
A．A television set.
B．A washing machine.
C．A public telephone.
D．A candy machin
单项选择题
A．The advantages of modern society.B．The side effects of IT and cloning technology.C．The conveniences of modern life.D．Benefits and harms of new technologies.
A．The advantages of modern society.
B．The side effects of IT and cloning technology.
C．The conveniences of modern life.
D．Benefits and harms of new technologies.
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