Daming: I’m going to visit my cousin in New York. His name is Simon.
Fangfang: What about chopsticks?
Daming:
His mother is Chinese.
Fangfang: What about a kite?
Daming: Good idea!
Fangfang:
Daming: I think so. Will you help me?
Fangfang:
A.I think he’s got some chopsticks. |
B.I’ll make a kite! |
C.What present can I take? |
D.Of course I will. |
E.But will it be windy in New York? |
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