【2015年海南省】人体内的一些液体的正常pH 范围如下表。室温下,这些液体中一定呈酸性的是( )
A.血浆 B.胰液 C.胆汁 D.胃液
These ________ my boots. A. is B. are
This coat is ___________. A . my B. mine
我非常喜欢英语。 A.I like Chinese very much. B.I like English very much
那是你姐姐吗? A.Is the girl your brother? B.Is the girl your sister?
How old is she? A.她几岁了? B.她好吗?