問題詳情
66. From the last paragraph we can learn that ________.
(A). some pipes have to be re-arranged in winter
(B). the system can do more than warming up the building
(C). the exchangers will pick up heat from the street surface
(D). less heat may be collected in winter than in summer
參考答案
答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)