题目

The newly built cafe, ________ walls are painted light green, is really a peaceful place for us, especially after hard work.A. that B. itsC. whose D. which 答案：【答案】C【解析】考查定语从句关系词。句意：刚建成的咖啡馆，他的墙面是淡绿色的。这个咖啡馆对于我们来说尤其是上班累了一天我们来说，真是一个平静的场所。先行词是名词café，在定语从句中作定语，表示咖啡馆的墙，用关系代词whose。故选C。平行四边形ABCD中，AB、BC、CD的长度分别为2x+1，3x，x+4，则平行四边形ABCD的周长 ．