问题
选择题
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
答案
答案：C
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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
答案：C