1.《花钟》这篇课文按照归纳现象、揭示原因、实际运用的思路,说明了花开的特点。(
2.才长大的小虾稍带灰色,甚至背上、尾巴上还积着泥,长着青苔;有的通体透明,像玻璃似的,这是老的,也就是千年虾。(
3.《蜜蜂》这篇文章是法国的法布尔所写,选自《昆虫记》。(
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