浪花
我坐在沙滩上玩耍。浪花看见了,迈着轻轻的步子走来,悄悄地瘙痒了我的小脚丫。笑得我眼泪都流出来了,他才哗哗地笑着跑回家。
一会儿,浪花又唱着笑着跑来了。这次它给我捧来了雪白的贝壳,青青的小虾。
哗哗哗,浪花跑去又跑来,像一群淘气的娃娃。
1.短文有( )段,请标出来。2.填空:
3.哗哗哗,浪花跑去又跑来,像
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