患者,男,70岁。神志痴呆,表情淡漠,举止失常,面色晦滞,胸闷泛恶,舌苔白腻,脉滑。其病机是
A.痰迷心窍
B.痰火扰心
C.心血瘀阻
D.肾精亏虚
E.心脾两虚
参考答案:A
We cannot figure out ______ quite a number of students were infected with the flu.
A.that
B.when
C.why
D.where
起黏合剂作用的是( )。
A.乙酰水杨酸 250gB.乳糖 250gC.10%淀粉浆 适量D.滑石粉 15gE.羧甲基淀粉钠 适量制成500片