【题目】The architecture as well as all the art works of The Forbidden City is well ____________ by professional staff.
A. accustomedB. erupted
C. assumedD. preserved
在线课程【答案】D
【解析】
考查动词辨析。句意：与紫禁城的艺术品一样，紫禁城的建筑也被专业人员很好地保存。A. accustomed习惯的，通常的；B. erupted爆发，长出；C. assumed假定的，假装的；D. preserved保存，保护。故选D。