2. 外语
  3. Choose TWO letters, A-E. Which TWO recent developments in roof-garden building are mentioned? A waterproof barrier materials B d

Choose TWO letters, A-E. Which TWO recent developments in roof-garden building are mentioned? A waterproof barrier materials B d

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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
选项
答案E
解析 Distraction B: Although ’drainage issues’ are mentioned, both student and tutor agree that they ’have been well understood for quite a long time’(i.e. they are not ’recent’); C: The student talks about tank designs but not as a ’recent development’(’fairly conventional storage tanks, the kind that have been in use for decades’); D: They agree on the need ’to use lightweight materials’ but these do not need to be modern. The tutor suggests ’You can even use quite traditional ones such as wood’ and the student comments that these ’look good’ and aren’t ’too heavy’.
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