Alice: Hello, this is Alice.
Lucy: Hi, Alice. What are you doing now?
Alice:
Lucy: Why are you cooking today?
Alice:
Lucy: Really?
Alice: We will learn how to cook and do housework.
Lucy: Cool! When will we have these classes?
Alice:
Lucy: Wow! That sounds great!
Alice: Would you like to come to my home and cook with me this Sunday?
Lucy:
Alice: See you!
A.What will we do in these classes? |
B.I’m cooking jiaozi. |
C.Yes, of course. |
D.Because we’ll have life skills classes(劳动课程) soon. |
E.This September. |
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