单项选择题

A．The structure of genes.
B．The transformation of medical care.
C．The completion of the human genetic map.
D．The diagnosis of diseases.
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单项选择题
A．Husband and wife.B．Boss and secretary.C．Friends.D．Neighbors.
A．Husband and wife.
B．Boss and secretary.
C．Friends.
D．Neighbors.
单项选择题
A．lie is imaginative.B．He is shy.C．He is helpful.D．He is talkative.
A．lie is imaginative.
B．He is shy.
C．He is helpful.
D．He is talkative.
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