扫描二维码，直接登录
题库 / Prep2007E1-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.
and producing energy on a commercial scale, enough for efficient generation of electricity and heating
and producing enough energy on a commercial scale for electricity to be generated efficiently and to heat
for energy production on a commercial scale, enough for generating electricity efficiently and to heat
to produce energy on a commercial scale, enough for generating electricity efficiently and for heating
to produce enough energy on a commercial scale for efficient generation of electricity and heat
逗号后面形容词作状语，就近修饰produce energy这个动作
to produce energy on a commercial scale, enough for generating electricity efficiently and for heating
登录 或 注册 后可以参加讨论