A.昆虫的完全变态发育过程:卵→幼虫→蛹→成虫 |
B.青春期的男孩出现遗精的过程:睾丸→输精管→尿道→体外 |
C.细菌、真菌的培养过程:配制培养基→高温灭菌→冷却→接种→恒温培养 |
D.对光时光线通过显微镜的路径:反光镜→光圈→通光孔→物镜→镜筒→目镜 |
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