搜索
A：Hi, Tom. You look very happy today!
B：Oh, yes. Guess what? My best friend Ben is coming.
A：Oh, really?
B：Tomorrow. I can’t wait to see him.
A：
B：For two weeks.
A:
B：He is really friendly. I’m sure you will like him when you see him.
A：What does he look like?
B：
A：Could you introduce him to me?
B：
| A．How long will he stay? |
| B．Of course. |
| C．When is he coming? |
| D．What is it? |
| E．What is he like? |
| F．He is tall and strong. |
| G．How often does he visit you? |
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
