观A.看;B.看到的景象;C.对事物的认识
(1)天下奇观。() (2)观赏美景() (3)人生观()
简单A.结构单纯;B. (经历、能力等)平凡;C.不细致
(4)世界上的任何事情都不会那么简单。()
(5)我们无论做什么事情都要认真,不能简单了事。()
(6)费俊龙、聂海胜乘坐“神舟”六号载人飞船圆了太空梦,真不简单哪!()
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