(It’s Sunday. Ben’s family is at home. )
Ben: Dad, I feel bored. Let’s go out and have fun.
Dad: OK. It’s sunny today.
Ben: But the weather report says the temperature is 35℃.
Dad: You’re right. Let’s have lunch at Dongfang Restaurant.
(Ben’s family is at Dongfang Restaurant now).
Ben: Look, Dad. A robot is serving food (传菜). It’s clever. It works so well.
Dad: Yes. Robots are coming into our life. They can do many things.
Ben:
Dad: Some robots can clean the house and cook for you.
Ben: Wow! Robots are cool!
A.Some robots can help sick people. |
B.Shall we have a picnic in a park? |
C.The dimsum there is very delicious. |
D.I want to have one someday. |
E.It’s too hot to eat or play outdoors. |
F.What else can robots do? |
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