Students: Yeah! Of course, Mr Black.
Teacher:
Lily: I had a picnic with my friends.
Teacher:
Lily: It was not bad. And I planted some trees on a farm too.
Teacher: Planted trees? Why?
Lily: Yesterday was 22nd April.
Teacher: Well done!
Lily: Next Saturday. Do you want to go with me?
Teacher: Yes!
Lily: My uncle drives there every weekend. We can go with him.
Teacher: Great! Thank you.
A.It was Earth Day. |
B.What did you do last weekend, Lily? |
C.How can we go to the farm? |
D.How was the picnic? |
E.When are you going to the farm again? |
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