A: Hello, Lucy!
B: It’s January 22.
A: What do you want to buy?
B:
A:
B: Yes, I am going to give her a special gift.
A: Does your mother like black?
B: No.
A: Are you going to go on a trip with your family?
B: Yes,
A: Great!
A.Her favourite colour is white. |
B.I want to buy some new clothes. |
C.We are going to Beijing together. |
D.When is the Spring Festival? |
E.Are you going to give your mother a gift? |
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