Why are the sales of microwaves expected to rise?
A. They are becoming more affordable.
B. They have a shorter life cycle than other appliances.
C. They are getting much easier to operate.
D. They take less time to cook than other appliances.
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What does Professor David Reay try to argue?
A. There are far more emissions from cars than from microwaves.
B. People should be persuaded into using passenger cars less often.
C. The UK produces less CO2 than many other countries in the EU.
D. More data are needed to show whether microwaves are harmful Reay, argue 【定位】第三段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.尽管微波能消耗大量的能量,但与汽车所产生的能量相比,它的排放是微不足道的。 【同义替换】选项A汽车排放量比微波炉大,和文章的微波炉挂放微不足道可以匹配。
What does Professor David Reay think of the use of microwaves?
A. It will become less popular in the coming decades.
B. It makes everyday cooking much more convenient.
C. It plays a positive role in environmental protection.
D. It consumes more power than conventional cooking. Reay,the use of microwaves 【定位】最后一段是David的观点Among common kitchen appliances used for cooking, microwaves are the most energy efficient, followed by a stove and finally a standard oven. Thus, rising microwave sales could be seen as a positive thing. 【同义替换】微波炉是最节能的;销量的上升是一件好事。和选项C的positive role in environment protection可以匹配。
运转使用或闲置存放的设备，既要遭受有形磨损，也会发生无形磨损。
技术寿命是指设备从投入使用，到因物质磨损不能继续使用、报废为止所经历的时间、它由设备的有形磨损所决定，与维修保养得好坏密切相关。
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