搜索
John:
Amy: Yes. I like autumn best!
John: When is that?
Amy:
John: Really? What are they?
Amy: The swimming contest and Children’s Day.
John: I love Children’s Day
Amy: We will have a Children’s Day Party.
John:
| A．Sounds great! |
| B．Wow, the colours are really pretty. |
| C．It’s on May 2lst. |
| D．How will we celebrate (庆祝) this year? |
| E．And this picture is for the school art show. |
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
