单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

A．Does a dolphin prefer living with others or living by itself
B．Arc dolphins more intelligent than other animals
C．How many years could dolphins usually live
D．What is the major cause of the death of dolphins at sea
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单项选择题
A．A word processor.B．A computer programmer.C．A web designer.D．A technical assistant.
A．A word processor.
B．A computer programmer.
C．A web designer.
D．A technical assistant.
单项选择题
A．Tim is glad that he can stay up late.B．Every child in Brown’s family must help with the housework.C．Mr. and Mrs. Brown do not have to do any housework.D．The constitution was agreed to by every child of the family.
A．Tim is glad that he can stay up late.
B．Every child in Brown’s family must help with the housework.
C．Mr. and Mrs. Brown do not have to do any housework.
D．The constitution was agreed to by every child of the family.
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