锅炉的型号有哪些?
参考答案:
锅炉的型号:亚临界、一次中间再热、自然循环、平衡通风、固态排渣、单炉膛、悬吊式、燃煤、汽包炉。
She is not on good terms with Mr. Smith; ______even if invited she would not attend his party.
A.otherwise
B.however
C.besides
D.therefore
教育工作的核心及主题是( )
A.坚持教育的公益性 B.全面实施素质教育C.立德树人 D.坚持教育的社会主义性质