(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

