下列实验操作中，不正确的是 请选择ABCD2c:b3e(A.e;f:r2K3o2`0_/B(F(I8n9d)P(K*o:c6|+R:g5|,s4R1Q;I
A．)P(K*o:c6|+R:g5|,s4R1Q;I
B．)P(K*o:c6|+R:g5|,s4R1Q;I
C．)P(K*o:c6|+R:g5|,s4R1Q;I
D．)P(K*o:c6|+R:g5|,s4R1Q;I
)P(K*o:c6|+R:g5|,s4R1Q;I
)P(K*o:c6|+R:g5|,s4R1Q;I
)P(K*o:c6|+R:g5|,s4R1Q;I
)P(K*o:c6|+R:g5|,s4R1Q;I