(1)A. morning B. afternoon C. night D. breakfast
(2)A. Monday B. week C. Sunday D. Tuesday
(3)A. stone B. key C. soft D. watch
(4)A. weather B. sun C. snow D. wind
(5)A. shirt B. coat C. wear D. dress
(6)A. tidy B. sweep C. wash D. housework
(7)A. congee B. apple C. rice D. bread
(8)A. mango B. melon C. apple D. coke
(9)A. clever B. star C. square D. circle
(10)A. spring B. summer C. season D. winter
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