成熟红细胞中能量的主要来源是
A.糖酵解B.糖有氧氧化C.脂肪酸氧化D.糖异生作用E.氨基酸分解代谢
参考答案:A
______ the poem a second time, the meaning will become clearer to you. [ ]
A. Your having read
B. While reading
C. If reading
D. When you read
溶液换热平均传热温差计算的方法有()。
A、两种
B、三种
C、四种
D、五种