Some of this heat near the earth’s surface make electricity.
A. is used for
B. is used to
C. gets used to
D. used to
网友回答
A. is used for
(答案→)B. is used to
C. gets used to
D. used to
解析：考查used的用法。A“被用来做......”，+doing；B“被用来”，+do；C“习惯于......”；D“过去常常”。句意“接近地球表面的一些热量被用来发电。”故选B。