He made a promise ____ he earned money, he would build a new school to help develop education.
He made a promise ____ he earned money, he would build a new school to help develop education.
某患儿脱落的乳牙上患有龋病。在龋病的切片上,观察到部分牙本质中出现裂隙及串珠样结构,这些表现应见于牙本质龋的( )
坏死崩解层
细菌侵入层
脱矿层
透明层
脂肪变性层
下列关于人感染高致病性禽流感的叙述,错误的是( )
由禽流感病毒引起
属人、禽、畜共患传染病
病禽及带毒健康禽为传染源
一年四季均可发生
应在发病72小时内应用抗流感病毒药物
The real trouble______their lack of confidence in their abilities.
下列关于阀门安装的说法错误的是( )。
关于中药饮片贮藏的说法,错误的是( )
贵重药品牛黄宜瓶装,在霉季时放入石灰缸中
盐炙饮片应贮于密闭容器内,置通风干燥处贮存
动物类药材为防止霉变,应贮于密闭干燥处
山药、葛根含淀粉较多,应贮于通风、干燥处
种子类药材因炒制后增加了香气,应密闭贮藏于缸、罐中