[GMAT视频讲解]逻辑OG2017CR549
来源: | 作者:passion | 发布时间: 2016-08-30 | 12166 次浏览 | 分享到:

 

C) It was both difficult and expensive to convert a factory from wind power or water power to steam power.

 

D）In the early period of industrialization, many goods sold in towns and cities could not be mass-produced in factories.

 

E）In Britain, the number of sites where a wind or water-powered factory could be built was insufficient to provide for all of the demand for factory-produced goods at the time.

 


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