光:①光线;②光大,使显耀;③光彩,荣誉;④景物。
1.每个人都希望自己能够有所成就,光宗耀祖。( )
2.体育健儿多次在国际比赛中为国争光。( )
3.阳春三月,风光迷人,正是春游的好时节。( )
4.天黑了,路灯发出微弱的光。( )
A.②③④① | B.②③①\④ |
C.③②④① | D.③②①\④ |
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