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My name is Sarah. I’m 10 years old. Today is my birthday. My mum buys a big birthday cake for me. And my friends bring me many gifts. John gives me a model plane. Chen Jie gives me a beautiful doll and Mike sings Happy Birthday for me. At last, we eat the delicious cake. How happy I am!
1．Whose birthday is today? ( )| A．Mike’s. | B．David’s. | C．Sarah’s. |
| A．Ten. | B．Nine. | C．Eight. |
A． | B． | C． |
A． | B． | C． |
| A．Mike. | B．Chen Jie. | C．Mum. |
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
