Linda: Hello, Jim.
Jim:
Linda: I’m making a birthday cake for Lucy. Tomorrow is her birthday.
Jim: She’s going to have a birthday party. Let’s go to her party.
Linda: OK.
Jim: I’m going to buy a doll for her
Linda: At nine o’clock tomorrow.
Jim:
Linda: Yes, I am.
Jim:
Linda: Yes, I think so. We hope Lucy will have a great birthday.
A.What are you going to buy for her? |
B.Is Lucy going to dance? |
C.When is the party going to start? |
D.Are you going to play the suona? |
E.What are you doing? |
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