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My name is Bill Smith. I’m American and I'm a student in a middle school. I'm 13 years old. My hobbies are music and football. My two sisters are students, too. We live in Washington, D. C. now. My mother is a teacher and my father is a manager of a small company. I’d like a pen friend from China. Please write to 11 West Street, Washington, D. C. , 921081, the USA.
1．Bill Smith is ________. ( )| A．American | B．Chinese | C．English |
| A．13 years old. | B．11 years old. | C．9 years old. |
| A．music | B．football | C．Both A and B |
| A．teacher | B．manager | C．doctor |
| A．China | B．England | C．the US |
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
