
(1)种子之所以能萌发成一株幼苗,是因为种子中有新植物的幼体[ ]
(2)图甲中[②]将来发育成图乙中的[ ]
(3)植株的根能够向下生长,是幼根
(4)在桃花开放的季节,果农通常会在桃园中饲养蜜蜂。蜜蜂等昆虫将花粉从花药传到图丙中[ ]
(5)图丁中A是由图丙中[ ]

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

