Mike: Hi, Grandpa.
Grandpa: I’m fine, Mike.
Mike:
Grandpa: It was good, thank you.
Mike:
Grandpa: I went to the park with your grandma. In the afternoon we went to see a film.
Mike:
Grandpa: Yes, I read an interesting book and visited my friends.
Mike:
Grandpa: I’m going to have a party with my friends.
A.Did you do anything else? |
B.What are you going to do tomorrow? |
C.How are you? |
D.What did you do? |
E.How was your weekend? |
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