如图为A体内环境结构图,①②④为人体内环境组成,④③⑤为内环境中的细胞,有关说法正确的是( )
A:内环境由①②③④构成,是细胞与外界物质交换的媒介
B:营养不良引起⑤中血红蛋白减少,导致④渗透压升高
C:与⑤处比,④处的血糖浓度和氧气浓度均比较高
D:若④中检验出HIV抗体,说明个体曾被HIV病毒感染
Tai Lihua is a Chinese ____ (A. dancer B. singer). She is very beautiful.____ (A. With B. As )a child,she became deaf and dumb(哑的). She couldn't hear ____ (A. or B. and )say. She was very sad. Later,she had a teacher. The teacher taught ____ (A. she B. her)to dance. She was very hardworking. She danced very ____ (A. well B. good). Now she is very famous.