痰标本的预处理一般采用下列何种物质()
A.10NNaOH
B.20%HCl
C.14g/L柠檬酸钠
D.0.9%NaCl
E.40g/LNaOH
参考答案:E
根据身份证内容,填入适当问句完成对话。
A: Good morning! I'm Jim.1____________
B: My name is Paul Miller.
A: 2____________
B: My birthday is July 2lst.
A: 3____________
B: I'm twelve years old.
A: 4____________
B: It's 865 -9876.
A: 5____________
B : It's 370722199903080562.
如何研磨镜板?