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"It is electricity consumption by microwaves that has the biggest impact on the environment," say the authors.
2019年12月四级真题(第一套)阅读 Section C
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A study by the University of Manchester calculated the emissions of CO2—the main greenhouse gas responsible for climate change—at every stage of microwaves, from manufacture to waste disposal.
2019年12月四级真题(第一套)阅读 Section C
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Among common kitchen appliances used for cooking, microwaves are the most energy efficient, followed by a stove and finally a standard oven.
2019年12月四级真题(第一套)阅读 Section C
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Further, the energy used by microwaves is lower than any other from of cooking.
2019年12月四级真题(第一套)阅读 Section C
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However, David Reay, professor of carbon management, argues that, although microwaves use a great deal of energy, their emissions are minor compared to those from cars.
2019年12月四级真题(第一套)阅读 Section C
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The authors also calculate that the emissions from using 19 microwaves over a year are the same as those from using a car.
2019年12月四级真题(第一套)阅读 Section C
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These cars emit more than all the microwaves in the EU.
2019年12月四级真题(第一套)阅读 Section C
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This is pushing sales of new microwaves which are expected to reach 135 million annually in the EU by the end of the decade.
2019年12月四级真题(第一套)阅读 Section C
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with costs falling and kitchen appliances becoming "status" items, owners are throwing away microwaves after an average of eight years.
2019年12月四级真题(第一套)阅读 Section C