1.威尼斯小艇的船头和船艄向上翘起。(改为比喻句)
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2.牛群吃草时非常专注,有时站立不动,仿佛正在思考着什么。(仿写拟人句)
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3.这是一幅开阔而又雄浑的画卷。(改为感叹句)
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4.任选一个情景写一段话,写出景物的动、静之美。
A.放学后的校园 | B.群鸟飞过湖面 |
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