
(1)根据A的结构,可推断它是细菌。判断的依据是
(2)根据B的结构,可以推断它是
(3)在酿酒、做面包时,离不开[ ]
(4)ACD的细胞与植物细胞相比,细胞质中都没有
(5)古代有人会把D的“绿毛”浆糊涂在刚划破的手指上,可以起到杀菌消炎作用。“绿毛”浆糊中具有杀菌作用的物质称为

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

