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The average temperature in.Tibet has risen 0.32 degrees centigrade every decade

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The average temperature in.Tibet has risen 0.32 degrees centigrade every decade

The average temperature in.Tibet has risen______ 0.32 degrees centigrade every decade since 1961, according to the China Meteorological Administration,. 

       A.to     B.at     C.by     D.in

试题答案

C