肺痨的治疗原则是
A．滋阴清热
B．治痨杀虫
C．补虚培元
D．清热解毒
参考答案：B,C
My mother was ____________ because I broke the vase (花瓶).[ ]
A. angry
B. happy
C. tired
何谓我国的四大名石？
