(1)A. home B. hotel C. hospital
(2)A. train B. plane C. rain
(3)A. window B. spring C. winter
(4)A. first B. third C. fourth
(5)A. at 2:30 p.m. B. at 3:30 p.m. C. at 3:30 a.m.
(6)A. playing basketball
B. playing chess
C. playing computer games
(7)A. collect stamps
B. collect leaves
C. pick up leaves
(8)A. They are going to plant flowers.
B. They are going to plant vegetables.
C. They are going to plant trees.
(9)A. I have 50 books.
B. I have 15 books.
C. I have 13 books.
(10)A. It’s Sunday.
B. It’s sunny.
C. It’s Saturday.
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