急性胰腺炎患者发热超过39℃,且持续不退者提示:()
A.出血坏死型
B.继发性腹膜炎
C.并发胰腺脓肿
D.并发胰腺蜂窝织炎
E.以上均有可能
参考答案:E
根据句意填写正确的表示职业的单词。
1. I teach English in a school. I'm a _____________.
2. She cleans streets every morning. She is a _____________.
3. He sings in a bar. He is a _____________.
4. My father drives cars. He is a _____________.
5. My mother writes stories. She is a _____________.
化学计量点的PH值与选择指示剂有什么关系?