(1) 水里一群赤脚的孩子,快乐得好像神仙一样。(照样子,补充句子)
湖面结了厚厚的一层冰,光滑得___________________________。
(2) 我们送掉了爸爸的新鞋子。(改为“被”字句)
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(3) 跑 轻轻地跑着 小妹妹在后面轻轻地跑着。(照样子,写句子)
走 __________________ _______________________________
(4) 说完,蹦蹦跳跳地回家去了。(修改病句)
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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