单项选择题

Questions 22 to 25 are based on the conversation you have just heard.

A．Does not greatly improve.
B．Greatly improves.
C．Does not improve.
D．Is not as good as before.
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单项选择题
A．They had to fight against being starved.B．Their population decreased greatly.C．Their land was taken away and their rights were ignored.D．All the above.
A．They had to fight against being starved.
B．Their population decreased greatly.
C．Their land was taken away and their rights were ignored.
D．All the above.
填空题
environmental
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