My best friend is Mary. She is a cute girl. She has curly hair. She is from America. She has a blue schoolbag. What's in it? Two English books, ten story-books and a math book. She like math very much. She likes music, too. There are five people in her family.
( )1. Mary has curly hair.
( )2. Mary has a red schoolbag.
( )3. There are two English books in Mary's schoolbag.
( )4. Mary doesn't like math.
( )5. There are four people in Mary's family.
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