单项选择题


A．forms
B．follows
C．approaches
D．introduces
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单项选择题
Brazil's Environmental Ministry says ______.
A．the rate of deforestation of the Amazon rainforest has increased about 15 percent over last year
B．the rate of air pollution has increased about 15 percent over last year
C．the rate of land decreasing has increased about 15 percent over last year
D．the amount of rainfall has increased about 15 percent over last year
单项选择题
Officials believe that ______ are responsible for the destruction of nearly 20,000 square kilometers of jungle.
A．fire disaster
B．environmental change
C．logging and clearing land for farming
D．air warming
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