1.这比山还高比海还深的情谊,我们怎么能忘怀?(改为陈述句)
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2.是呀,一个梦想,竟有如此大的力量,在此时有谁不流泪呢?(改为双重否定句)
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3.瑞恩把辛辛苦苦挣来的70元钱交给了募捐项目的负责人。(改为“被”字句)
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4.捐出70元钱。能帮助非洲的孩子们挖一口井。(用关联词语连成一句话)
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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

