单项选择题

A spokeswoman for the company promised that they would investigate our complaint.

A．speaker
B．lecturer
C．actress
D．representative
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单项选择题
The protection of endangered species is a highly controversial issue because it affects the interests of certain groups of people.
A． Right
B． Wrong
C． Not mentioned
单项选择题
According to the passage, the preservation of rain forests should take priority over the control of human population.
A． Right
B． Wrong
C． Not mentioned
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