①世界上还有几个剧种一部戏可以演出三五天还没有结束的呢?(改为陈述句)
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②在外边做事的人,除非万不得已,必定赶回家来吃团圆饭。(改为双重否定句)
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③新疆小伙子在跳舞。(扩句)
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④我估计他一定知道这件事。(修改病句)
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⑤维吾尔姑娘漂亮。(改为比喻句)
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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