单项选择题

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

A．Environment and genes.
B．Cells of proteins.
C．Genes of parents,
D．A sequence of DNA.
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单项选择题
A．He’s looking for ways to start his business.B．He has high reward for his overseas counterparts.C．His business starts to be prosperous.D．He’s using a business directory to develop more connections.
A．He’s looking for ways to start his business.
B．He has high reward for his overseas counterparts.
C．His business starts to be prosperous.
D．He’s using a business directory to develop more connections.
单项选择题
When children feel good about themselves, they are likely to be ______.
A．elegant
B．ignorant
C．successful
D．lonely
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