判断题
A.18-20℃B.22-26℃C.25℃D.25-27℃
A.MS+IBA0.5B.1/2MSC.MS+BA1D.1/2MS+BA0.5
A.0.1mmB.0.2mmC.0.5mmD.1mm
A.MS+BA1B.MS+BA2C.MS+BA2+NAA0.2+IAA0.2D.MS+BA1+NAA2
A.根B.茎C.叶D.芽
A.20B.30C.40D.50
A.15minB.20minC.25minD.30min
A.4-5cm2B.7-8cm2C.10-12cm2D.14-16cm2