测定食品中的灰分含量时，如样品炭化严重，可加入几滴橄榄油。
参考答案：对
下列疾病外周血片中均可出现幼稚细胞，除了（）
A.骨髓增生异常综合征
B.骨髓纤维化
C.急性红白血病
D.再生障碍性贫血
E.急性失血后贫血
She gets along very well with everyone; so she is the most ______ member of our family.
A．rusty
B．impetuous
C．compatible
D．imperious
