急性化脓性腹膜炎
参考答案：
是指由化脓性细菌所引起的腹膜腔急性感染。
The building _____ in our school is for us teachers. Though there’s noise most of day, we still feel happy about it .
A．built
B．has been built
C．being built
D．to be built
说出硫化氢的重要理化性质。
