水分离器排出的水分可用于()
A.给热交换器直接散热
B.给热交换器间接加热
C.给冲压空气加热
D.给冲压空气降温
参考答案:D
---Has he returned the books you lent him?
---He returned one book last week and promised to bring _____________ on Wednesday. [ ]
A. others
B. other
C. another
D. the others
我国实行民族区域自治制度必须坚持的基本原则是()
A、各民族合作
B、以局部利益为重
C、各民族平等和团结
D、各民族共同繁荣