牙釉质表面主要的无机物为
A.氟和氯B.镁和钠C.钙和磷D.铁和锌E.碳和磷酸钙矿物质
参考答案:C
Little Bob is often educated by his parents to be good and friendly to anybody even if ________.
A.attacking
B.is attacked
C.to be attacked
D.attacked
患儿,女,1岁6个月,平时易感冒,体质较虚,近一个月来,患儿常常汗出,以头部肩部明显,活动后加重,伴神倦乏力,面色少华,肢端欠温,舌质较淡,苔薄白,脉弱。
此患儿的诊断应考虑为()
A.汗证,表虚不固型
B.汗证,营卫失调型
C.汗证,气阴两虚型
D.汗证,脾胃积热型
E.汗证,肝肾阴虚型