(1)是呀,一个梦想,竟有如此大的力量,在此时有谁不流泪呢?(改成双重否定句)
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(2)瑞恩帮助非洲儿童挖了井。瑞恩成立了“瑞恩的井”基金会。(用关联词语合成一句话)
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(3)妈妈说:“瑞恩,你只能靠做额外的家务活来赚那些钱。”(改成转述句)
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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