下列选项中,不属于按被处理按空气来源划分的空调系统是()空调系统。
A.封闭式
B.直流式
C.分散式
D.混合式
参考答案:C
The man lay on the road. Luckily, he was not _____ hurt. [ ]
A. bad
B. badly
C. hardly
D. serious
---Where’s the little elephant?
---It’s said it ___ in the hospital.
A.was examined
B.will be examined
C.is being examined
D.has been examined