(1)A.bdg B.bdj C. dbg
(2)A.MAL B.NAL C.MLA
(3)A.KXU B.KES C.XEB
(4)A.13 B.30 C.20
(5)A.12 B.22 C.42
(6)A. mouse B. music C. milk
(7)A. black B. bread C. breakfast
(8)A. home B. room C. phone
(9)A. four B. tall C. fork
(10)A. nice B. knife C. nine
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