Would you like to help him with _____ maths, Timmy? [ ]
A. my
B. his
C. her
D. our
答案:B
治疗中风中脏腑阴闭证,应首选
A.局方至宝丹B.参附汤C.苏合香丸D.镇肝熄风汤E.补阳还五汤
探测器是由底座和探头两部位组成的,可以说探测器的固定主要是探头的固定。在安装探测器时,应先安装探测器探头,待整个火灾报警系统全部安装完毕后,再安装底座,并进行必要的调整工作。( )