
A.区域Ⅰ的细胞经历伸长生长即可形成区域Ⅲ的细胞 |
B.区域Ⅰ的细胞能合成生长素,促进区域Ⅱ细胞的伸长生长 |
C.区域Ⅲ的细胞大部分处于分裂间期 |
D.若外界溶液浓度较低,区域Ⅰ的细胞主要通过渗透作用吸水 |

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

