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[老师已改] 剑桥雅思10 test1 task1

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发表于 2015-9-14 20:00 | 小站托福TPO客户端

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These pie charts describe the proportion of energy use and the greenhouse gas emissions in Australia. In total, the energy can be divided into two groups-one where production outpaces consumption and the other where the reverse is the case.
The former group consists of water heating, refrigeration, other appliances, lighting and cooling. Using other appliances can product more gas than others except water heating reaches 28%, nearly twice of its consumption(15%). The use of water heating not only has the largest emissions(32%), its consumption is high(30%), which is the second largest producer. Similarly, the refrigeration and the lighting has the same ratio, the usages are 7% and 4% respectively and the emissions are 14% and 8% respectively. In addition, the amount of greenhouse gas after using cooling is the smallest(3%) only one per cent bigger than the usage(2%).
The other group just has one component-heating. Heating can consume the largest energy(42%), though we can see that its production is relatively low(15%)-approximately a third of what it use.
Form the information above, we can learn that energy use and the harmful gas they discharge are not even.  

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