火焰原子吸收法的主要干扰有哪几项?
参考答案:
物理干扰、化学干扰、电离干扰和光谱干扰
I'm going to to the gym.[ ]
A. went
B. goes
C. go
IPv6地址2191∶0000∶0000∶0000∶0009∶0900∶100C∶417A可以写成()。
A.2191∶0∶0∶0∶9∶9∶100C∶417A
B.2191∶0∶0∶0∶9∶900∶100C∶417A
C.2191∶∶9∶9∶100C∶417A
D.2191∶∶9∶900∶100C∶417A