(1)蝙蝠靠的是嘴和耳朵配合辨别方向。蝙蝠没有靠眼睛辨别方向。(用合适的关联词连成一句话)
(2)它们有的独自荡来荡去,有的互相追逐,有的紧贴住缸壁。 (用加点词语造句)
(3)我轻轻地点了它一下用一根小棍。(修改病句)
(4)我想,这缸不正好用来养小鱼小虾吗?(改陈述句)
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