Scientists at the Los Alamos National Laboratory have succeeded for the first time in mining heat from the Earth's interior and producing energy on a commercial scale, enough for efficient generation of electricity and heating factories and homes.
-
Aand producing energy on a commercial scale, enough for efficient generation of electricity and heating
分析该选项
-
Band producing enough energy on a commercial scale for electricity to be generated efficiently and to heat
分析该选项
-
Cfor energy production on a commercial scale, enough for generating electricity efficiently and to heat
分析该选项
-
Dto produce energy on a commercial scale, enough for generating electricity efficiently and for heating
分析该选项
-
Eto produce enough energy on a commercial scale for efficient generation of electricity and heat
分析该选项
显示答案
正确答案: D