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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
