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複選題
31 (AB) For example, they can get rid of billions of dollars of distorting subsidies, especially for dirty fuels, whilst shifting taxes towards carbon use.  (AC) Cash-strapped developing countries such as India and Indonesia have bravely begun to cut fuel subsidies, freeing up money to spend on hospitals and schools.  (AD) Once in a while, however, momentous shifts are necessary.  (AE) By one count, such handouts led to extra consumption that was responsible for 38% of global carbon emissions in 1980-2014.  (BC) The big oil exporters in the world, which tend to be the most egregious subsidizers of domestic fuel prices，underwrite the production of oil and gas.  (BD) Besides, the price of cleaner forms of energy is also falling and new technology is allowing better management of the consumption of energy.