单项选择题

A．They are less likely to run away.
B．It’’s easier for their masters to train them.
C．They are less likely to be shy with human beings.
D．It’’s easier for them to form a relationship with their masters.
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单项选择题
A．The Philippines.B．Mexico.C．Brazil.D．Guatemala.
A．The Philippines.
B．Mexico.
C．Brazil.
D．Guatemala.
单项选择题
The problem of too many carpenters from the training schools would be solved by moving some carpenters to other parts of the country.
A．Y
B．N
C．NG
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