1.屋顶尤其难刷,蘸了稀溜溜粉浆的板刷往上一举,谁能一滴不掉?(改为陈述句)
2.所有人的眼睛都目不转睛地看着严监生伸出的那两根手指。(修改病句)
3.他把两眼睁的的溜圆,把头又狠狠摇了几摇,越发指得紧了。(运用动作描写,描写一个人生气时的样子)
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