=().
参考答案：e
解析：
One of the requirements for a fire is that the material ____ to its burning temperature. [ ]
A. is heated
B. will be heated
C. be heated
D. would be heated
红细胞体积分布宽度相对应的缩写是( )
A．RDWB．MPVC．HGBD．HCTE．MCV
=().
=().