我国东南地区多用辛凉解表，西北地区则常用辛温解表，所体现的治则是（）
A.既病防变
B.治病求本
C.因人制宜
D.因时制宜
E.因地制宜
参考答案：E
老年人居住建筑
It took Andy two hours ____ his homework yesterday evening and I spent ____ mine. [ ]
A. doing; less time finishing
B. doing; more time to finish
C. to do; more time to finish
D. to do; less time finishing
