.对出血坏死型胰腺炎最具诊断价值的是（）。
A．血脂肪酶增高
B．血淀粉酶增高
C．血钙降低
D．血胆红素增高
E．B超检查胰腺增大
参考答案：C
补全对话。
Jenny: Hello. My _____________ is Jenny. What's your name?
Li Ming: My name is Li Ming.
Jenny: Nice to _____________ you.
Li Ming: _____________ to meet you, _____________.
Jenny: Where are you _____________?
Li Ming: I'm from _____________.
粉体堆积层的自由斜面与水平面所形成的最大角称()
A．接触角
B．交叉角
C．HLB值
D．休止角
E．CRH
