※ 引述《elaine0620 (less is more )》之铭言： : PP1 SC #44 : 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. : Ans:(D) to produce energy on a commercial scale, enough for : generating electricity efficiently and for heating : 我疑惑的选项: : (B) and producing enough energy on a commercial scale : for electricity to be generated efficiently and to heat : ~~我能理解(D)选项用to produce代表目的， : 但(B)选项难道不能看成and producing 是和前面的in mining平衡吗? : 也就是...have succeeded for the first time in mining heat and producing energy : 我有想过producing前要加in才能平衡 : 但有时介系词也常省略~~ : 恳请解惑 这题的语义上 D的to 是in order to 表目的的意思 也就是说 mining heat from the Earth's interior 是为了要 produce energy 把producing跟mining平衡的话就没有这层意思了~ 且B选项後半段 for electricity... and to heat...也不平衡喔 像D for generating... and for heating...就很平衡 --

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