1.乌黑的煤是一封从遥远的过去发给今天的信。(缩句)
2.我怎么听着这鸟唱的不是美歌呀? (改为肯定句,意思不变)
3.小黄麂走着。(扩句)
4.小鸟落在老人肩上。(改为拟人句)
5.小黄麂一会儿逗着飞来飞去的蝴蝶,一会儿踢着青草尖上的露珠,一会儿又惊起几只翠绿的蚱蜢。(用加点的词语写句子)
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