2. 外语
  3. Floors and walls must be specially constructed to make a building soundproof.

Floors and walls must be specially constructed to make a building soundproof.

admin2011-02-26  62
问题 Floors and walls must be specially constructed to make a building soundproof.
选项 A、solid and sturdy
B、officially complete
C、impermeable to noise.
D、architecturally attractive
答案C
解析
转载请注明原文地址:https://www.kaotiyun.com/show/m3BO777K
0

考博英语

相关试题推荐
随机试题
最新回复(0)