问题详情

When are windows the weak link in a building?


A、In the cold winter.

B、In the hot summer.

C、When air conditioners are turned on.

D、Both A and B.

时间:2022-01-03 05:07 关键词:

答案解析

D
解析:短文第三段的第一句说:“windows ale the weak link in a building…”,接下来是对这句话分寒冬和炎夏做了说明,所以D是正确选择。