问题
选择题
29. Heat capacity is the amount of energy it takes __________the temperature of a substance one degree centigrade.
A．raising
B．rising
C．to raise
D．to rise
答案
答案：C
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29. Heat capacity is the amount of energy it takes __________the temperature of a substance one degree centigrade.
A．raising
B．rising
C．to raise
D．to rise
答案：C