根据红细胞破坏场所的不同，溶血可分为______和______。
参考答案：血管内溶血；血管外溶血
______ the distance was too long and the time was short, we decided to fly there instead.
A．Discovering
B．To discover
C．To have discovered
D．Discovered
井下岩粉棚和水棚主要起（）作用。
