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Lisa: I often play sports. Sometimes I clean my room.
Coco: What are you doing now?
Lisa:
Coco: That's cool! Is it hot outside now?
Lisa:
Coco:
Lisa: It's on July 7th. What will you do this summer vacation?
Coco:
Lisa: What's your uncle's job?
Coco: He's a doctor.
Lisa: That's cool, too!
| A．No, it isn't. It's windy here. |
| B．I will go to Beijing to visit my uncle. |
| C．When is our summer vacation this year? |
| D．What do you often do on the weekend? |
| E．I'm having a picnic with my family by the riverbank. |
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
