干粉灭火剂具有灭火效率高、速度快、干粉基料来源广泛、价格低廉、对人畜无毒或低毒、对环境影响小、适用范围广等优点。
参考答案:对
The little girl walks ____________ she ______ an old woman.
A.as if; likes
B.as though; were
C.even if; likes
D.even though; were
患者,男,55岁。半年前因情志不遂,抑郁不乐,坐卧不宁,健忘失眠,渐至神志痴呆,反应迟钝,喃喃自语,问之不答,舌质淡红,舌苔腻,脉弦滑。治法为
A.养心安神,开窍解郁B.理气解郁,化痰开窍C.镇心涤痰,宁神定志D.化痰清热,和中安神E.益气镇惊,安神定志