2. 外语
  3. The Solar Water Heater Solar water heaters are used around the world and are not very difficult to build. / There are two pa

The Solar Water Heater Solar water heaters are used around the world and are not very difficult to build. / There are two pa

admin2017-05-09  26
问题  
选项
答案 The Solar Water Heater Solar water heaters are used around the world and are not very difficult to build. / There are two parts to the solar water heater. / One part is made of a sheet of metal painted black. / Black surfaces become hotter in the sun than surfaces painted any other color. / The second part of the solar water heater holds the water for the system. / This storage tank can be a container that holds about one hundred liters. / Two rubber pipes are attached to the water storage tank. / One pipe lets water flow into the system. / The other lets water flow out. /
解析
转载请注明原文地址:https://kaotiyun.com/show/asDK777K
0

专业英语四级

相关试题推荐
随机试题
最新回复(0)