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A B
( ) 1. What’s this?
| A．It’s on the wall. ( ) 2. What’s near my shoes? | B．No, there aren’t. ( ) 3. How many crayons can you see? | C．No, it’s small. ( ) 4. Are there any rulers? | D．Thank you. ( ) 5. There isn’t a pencil. | E．Here’re some chairs for you. ( ) 6. Is it big? | F．It’s a lamp. ( ) 7. Is there a garden? | G．There’s a mouse. |
( ) 9. There aren’t any chairs. I. Here’s a pencil for you.
( ) 10. Where’s the map? J. No , there isn’t.
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
