傍晚,,太阳qīn wěn( )着西山,田野了一片静谧(mì yì)没有了太阳的hōng kǎo( ),qiào lì( )的小花也扬起了笑脸,qín miǎn( )的蜜蜂也准备回家了。蜜蜂嗡嗡嗡,蟋蟀蛐蛐蛐蛐…… 优美的yīn yùn( )飘荡在整个田野上。
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