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A: How old are you, Maomao?
B: I’m eight.
A: How old are you, Wang Yong?
C: I’m six.
A: How old are you, Xiaoming?
D: I’m five.
A: How old are you, Lili?
E: I’m nine.
A: How old are you, Honghong?
F: I’m seven.
A.
B. 
C. 
D. 
E. 
1．Maomao
2．Wang Yong
3．Xiaoming
4．Lili
5．Honghong
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
