[[QOrDeR]]读了《小公鸡和小鸭子》这一故事,我懂得了伙伴之间要团结友爱、互相帮助。(
【小题2】《树和喜鹊》一文中因为树和喜鹊成了好朋友,所以树很快乐,喜鹊也很快乐。(
【小题3】《怎么都快乐》让我们感受到一个人是快乐的,在集体中更快乐。(
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