(1)①去上学 ②背着 ③元元④书包
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(2)①笑嘻嘻地②小鱼儿③游来游去 ④在荷叶下
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(3)①明天上午 ②要开大会 ③动物王国 ④八点
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(4)①在 ②唱歌③快乐的 ④小鸟儿 ⑤枝头
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(5)①飞行 ②翅膀 ③没有 ④鸟 ⑤能 ⑥吗
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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