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（_____） 1. A. Yes, he is. B. No, I am not. C. Yes, she is.
（_____） 2. A. Yes, it is. B. Her name is Lily. C. His name is Tom.
（_____） 3. A. Yes, she is. B. A boy. C. No, he isn’t.
（_____） 4. A. Yes, I am. B. He’s Zhang Peng. C. She’s my sister.
（_____） 5. A. Yes, they are. B. They’re brown. C. They’re shoes.
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
