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B. 
C. 
D. 
E. 
1．A: Hi, Yang Ling. This is my mum. （
B: Hi. Nice to meet you, Mrs Black.
2．A: Is this your schoolbag? （
B: No, it isn't.
3．A: I can draw a monkey. What about you? （
B: I can draw a lion.
4．A: I have three toy monkeys on the desk. （
B: Great!
5．A: Whose sweater is this? （
B: It's my mother's.
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
