( )(1)A. JGK B. GJK C. KJG
( )(2)A. lir B. ril C. ilr
( )(3)A. green B. great C. good
( )(4)A. black B. blue C. brown
( )(5)A. look B. what C. at
( )(6)A. red B. jacket C. great
( )(7)A. skirt B. T-shirt C. cap
( )(8)A. and B. it’s C. it
( )(9)A. nice B. new C. now
( )(10)A. red B. green C. brown
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