(1)鱼成群结队地在珊瑚丛中穿来穿去。(缩句)
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(2)西沙群岛风景优美,物产丰富,是个可爱的地方。(改为反问句)
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(3)小鹿在溪边散步,它们有的俯下身子喝水,有的侧着脑袋欣赏自己映在水里的影子。(仿写拟人句)
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(4)小兴安岭一年四季景色诱人,
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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