2. 职称英语
  3. Choose TWO letters, A-E.Which TWO recent developments in roof-garden building a

Choose TWO letters, A-E.Which TWO recent developments in roof-garden building a

游客2024-01-06  58
问题 Choose TWO letters, A-E.
Which TWO recent developments in roof-garden building are mentioned?
A waterproof barrier materials
B drainage systems
C tank designs
D lightweight construction materials
E watering systems [br]
选项
答案 A
解析
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