1.老师在黑板上写字。(扩句)
________________________________________________
2.一个鬼子哨兵一边晃着小白旗一边向他吼叫。(用加点词写句子)
__________________________________________________
3.没有什么语言比这句最简单的话更能表达我此时的全部感情。(改为反问句)
___________________________________________________
4.水中的鱼儿望着我们,悄悄地听我们愉快歌唱。(仿写)
________________________________________________
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