Tom: Look, Mum. I have some pictures from Winter Camp (冬令营).
Mum:
Tom: He’s Mike.
Mum:
Tom: He’s from Canada.
Mum: What is he doing in this picture?
Tom:
Mum:
Tom: Jenny.
Mum: They are cute (可爱的). Oh!
Tom: Let’s go, Mum!
A.He’s singing. |
B.Who is talking to you? |
C.Time to go to the zoo! |
D.Who is the boy? |
E.Where is he from? |
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