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Hi. I'm Tiantian. I'm nine. This is my desk. There are three yellow crayons and seven green crayons on the desk. I have a red schoolbag. It's under the desk. In my schoolbag, there is one pencil case, one pen, two rubbers, three pencils and five books. I like my schoolbag.
1．How old is Tiantian? ( )| A．She is five. | B．She is eight. | C．She is nine. |
| A．eight | B．nine | C．ten |
| A．It's green. | B．It's red. | C．It's yellow. |
| A．In the desk. | B．On the desk. | C．Under the desk. |
| A．five | B．four | C．six |
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
