A.一条快活的小溪流唱着歌,不分日夜地向前奔流。 |
B.青的草,绿的叶,各种色彩鲜艳的花,都像赶集似的聚拢来,形成了光彩夺目的春天。 |
C.尽管这本书很薄很薄,我捧着它还是像捧着一件珍宝似的。 |
D.春雨姑娘在绿色的叶丛上弹奏着乐曲,低声呼唤沉睡的笋芽儿:“醒醒啊,春天来啦!” |
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