诊断小儿结核性脑膜炎的主要依据是（）
A.X线检查
B.病史和临床表现
C.结核菌素试验
D.脑液常规检查
E.脑CT扫描
参考答案：B
—Miss wang once art at Bardon School for ten years and now is a singer.
—No wonder I often hear her sing in the garden.
A．had taught
B．taught
C．is teaching
D．has been teaching
学前儿童精神压力的根源是什么？
