【单选题】正常骨髓中呈短T1和中等T2信号的成分主要为()
【单选题】Our bodies are built in _____ a way that the weight of all the air does not crush us.
【判断题】谷皮主要由纤维素和半纤维素组成,含有一定量的蛋白质、脂肪和维生素、较多的矿物质,不含淀粉。
【单选题】Our bodies are built in___ a way that the weight of all the air does not crush us.