A.在合适的外界条件下,完好的鸡卵都能孵化出小鸡 |
B.蝴蝶是由“毛毛虫”变成的,“毛毛虫”处于发育过程中的幼虫阶段 |
C.青蛙的生殖和幼体的发育必须在水中进行,因此都要通过鳃进行呼吸 |
D.马铃薯通常采用带芽的块茎繁殖,这种繁殖方式属于出芽生殖 |

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

