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I’m Ruirui. I’m from Pingyao. I’m 10 years old. I study at Kangning Primary School. I’m in Year 4 this year. There are 40 children in my class, 22 boys. At school we wear a uniform. Look, I’m wearing my uniform. It is a black jacket, a white shirt, a red and blue tie, grey trousers and orange shoes. I think they look nice. Do you like them?
1．Ruirui comes from ______. ( )| A．Yuci | B．Pingyao |
| A．Year 4 | B．Class 4 |
| A．eighteen | B．twenty-two |
| A．red | B．red and blue |
| A．likes | B．doesn’t like |
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
