(1)地球是那样美丽壮观,和蔼可亲。(改成比喻句)
(2)在地球资源枯竭的时候,我们不能移居到别的星球上去。(换一种说法,保持意思不变)
(3)我的眼前又浮现出同学们关切的话语。(修改病句)
(4)为小区公共草坪写一条标语,提醒大家爱护草坪。不要用“爱护”“禁止”一类的词语。
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