經(jīng)典精講上課后練習

1、2019-2020年高考英語二輪復習 閱讀理解專題 經(jīng)典精講（上）課后練習題一：Sometimes，the simplest ideas are the best. For example，to absorb heat from the sun to heat water, you need large, flat, black surfaces. One way to do that is to build those surfaces specially, on the roofs of buildings. But why go to all that trouble when cities are full of black surfaces already, in the form of asphalt (柏油) roads?Ten years ago, this thought came into the mind of Arian de Bondt, a Dutch engineer. He finally。