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A：Hi, Christy! What country is it?
B：________
A：________
B：Ottawa.
A：What do they speak in Canada?
B：________
A：________
B：Red and white.
A：Is there a red leaf on it?
B：________
A. Yes, there is.
B. What colour is the flag of Canada?
C. Canada.
D. What is the capital city of Canada?
E. English and French.
A. Yes, there is.
B. What colour is the flag of Canada?
C. Canada.
D. What is the capital city of Canada?
E. English and French.
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
