( ) 1.
A. Let's clean the door.
B. Let's clean the window.
C. Let's clean the table.
( ) 2.
A. He has long hair.
B. She has glasses.
C. She has short hair.
( ) 3.
A. We do homework in the living room.
B. We read a book in the bedroom.
C. We read a book in the study.
( ) 4.
A. I'd like some noodles.
B. I'd like some chicken.
C. I'd like some soup.
( ) 5.
A. My mother is a nurse.
B. My uncle is a basketball player.
C. My father is a football player.
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