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．Tim is not the oldest child in the family.B．The Browns found a good solution to their problems.C．Their parents suggest writing a constitution.D．One law says that children under 14 must go to bed before 10 p.m.
A．Tim is not the oldest child in the family.
B．The Browns found a good solution to their problems.
C．Their parents suggest writing a constitution.
D．One law says that children under 14 must go to bed before 10 p.m.
单项选择题
A．Brain structure and mechanism.B．Foreign language learning ability.C．People’s brain and second language learning.D．Similarities and differences between adults and children in language learning.
A．Brain structure and mechanism.
B．Foreign language learning ability.
C．People’s brain and second language learning.
D．Similarities and differences between adults and children in language learning.
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