A.有时,傻二哥还到票房去唱两段,老是乐呵呵的。() |
B.从来没听说他有学名,冲他这股傻劲,人们给他起了个雅号,叫傻二哥。() |
C.虽然她掩饰不住脸上的困倦,那顽皮的嘴角也流露出一种无法诉说的焦急。() |
D.晚上瞎摸乱闯,跌到深谷里就把我这材料队长“报销”了!() |
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