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1. ( ) What are those?
| A．There are 10. 2. ( ) Have you got a teddy bear? | B．No, I can’t. 3. ( ) Can you jump far? | C．They are cars. 4. ( ) Has Sara got a cough, too? | D．Yes, she has. 5. ( ) How many people are there? | E．No, I’m not. 6. ( ) What are you going to be? | F．I’m fine. 7. ( ) Are you going to go to Hong Kong? | G．I’m going to be a teacher. |
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
