下列组织中,不属于植物主要组织的是( )
A:保护组织
B:机械组织
C:上皮组织
D:分生组织
My friends thought they had made things very smooth for me, but I felt there was still much to ________ with.
相关实验原理与化学反应方程式的书写都正确的是( )